﻿Field evidence of the surface cracks is shown in Fig. 5.
Fig. 10 compares run times for 1-h simulation at 1-m resolution using the serial code and the two parallelization methods of OpenMP and hybrid.
Comparing the axial force and corrosion level, it was found that the corrosion level is the governing factor that affects the hysteretic behavior.
Compared to the other indicators, we had relatively few radiocarbon CO2 measurements, which is a problem when observed variance is high.
In comparison, the secondary mineralization of eluted organics seemed un-happen because of low level of SO4· in S2O82/Fe0 system.
EM-DAT declared more than 90 major disasters with damage of greater than $100million in the United States from 2007 to 2014.
First, a literature review of indicators commonly used to address lifeline vulnerability within social vulnerability indexing is presented, in order to provide a theoretical basis for the study.
No density separation was performed in order to avoid the loss of any high-density microplastics (Shim et al., 2016), such as polyester with density of 1.24-2.3g/cm3 (Hidalgo-Ruz et al., 2012).
Because of the similar distance from the impact point, the axial forces in Section 1 and Section 3 show a similar trend and they reach the maximum axial force at the same time while the axial force at Section 5 and Section 7 increases to its peak slower because of its longer distance to the impact point.
Local damping value is considered to be 10% for this analysis.
Therefore, it is crucial to detect and identify possible faults or failures in the monitored PV systems as early as possible.
Therefore, based on the NNI theory, a more accurate index called SDI is investigated in this paper.
This has led to a large, complex software ecosystem that is difficult to maintain.
The Class-A prediction resulted in reasonably good predictions on the maximum pore water pressure except at WP3c, WP4c and WP5c, which implies that over-estimation of the drainage property of the clayey sand or sandy clay layer.
The models estimate more closely the experimentally obtained secant stiffness between K0.75Fmax and KFmax, rather than the initial elastic stiffness (as shown in Fig. 15 and Table 7), and depend strongly on the choice of the elasticity modulus of masonry (Ewθ, Evert or Elat); in particular, for masonry typologies with different mechanical properties in the direction perpendicular and parallel to the bed-joints, as in this specific case, the use of the elastic modulus of masonry for the diagonal direction Ewθ appears to be the most reasonable choice.
The cameras are positioned at a distance of about 0.8m from the specimen surfaces which resulted in a resolution of 40 μm/pixel.
Compared to the model updating#1, the elastic modulus of masonry EM increases to make up for the reduction of the connection stiffness.
The paper is concluded in Section 5 with the salient points noted in the current study.
During the performance tests of PA mixture, total air void and permeability of porous asphalt mixture were determined by the volumetric method and falling head permeability test respectively [18].
Sprinkling time was set at 12:00 when the solar radiation was most intense.
The progressive expansion of rust at the reinforcement and concrete interface induces splitting stresses in concrete and eventually leads to cover cracking and spalling (Vidal et al. 2004).
The results show that the soil structure has a significant effect on the mechanical behavior, which is similar to the structured clayey loess from the southeastern Loess Plateau.
This was not the case for the two-girder bridges, in which the horizontal impulse demand was primarily split between the front faces of the upstream and downstream girders (GF1 and GF2).
To evaluate the performance of the different models, three error indexes are used.
Other studies (Lambe and Whitman, 1969, Wang and Sassa, 2002) similarly report that the residual strength of sand is normally independent from the consolidation and stress history.
These comparisons suggest that the size effect is insignificant in FRP-confined RAC as well as in FRP-confined NAC in circular sections up to a diameter of 300 mm.
Time-domain waveforms of four planetary gearbox conditions: (a) NC, (b) FWSG, (c) MTPG, and (d) CTRG.
However, cracks in BEMC were much wider than those in BESC, which is quite different from those in RCL.
Fig. 1e,f; note that rock can be CO2-wet depending on pressure and temperature, Iglauer et al., 2015b; Iglauer, 2017).
It is worth mentioning that the shear force at the base of the column is smaller than the peak impact force because of the resistance of the inertia force which distributes along the part of the column as shown in Fig. 16a.
Peak wind speed estimates for each building are obtained from a near-surface wind field model of the Joplin tornado conditioned to tree-fall patterns.
Based on geological conditions, existing construction and urban planning factors, the UUS resource evaluation system is operationalized as shown in Table 1.
The authors acknowledge the Texas Advanced Computing Center (TACC) at The University of Texas at Austin for providing HPC resources that have contributed to the research results reported within this paper.
Thus, integration of these methods into the structural diagnosis for large-scale cable-stayed bridges could enrich the categories of feature extractions for the data-driven data process, and, in turn, open a new door for data-driven approaches with widespread implementations for large-scale civil engineering structures.
Based on the equation of the support resistance, the reasonable support capacity is 13,759–15,405kN for a ruptured rock pillar rotation angle of 0–15°, while the support shrinkage is 1.04m with a rock pillar rotation of 15°.
In the present work, the influence of tip clearance on the pressure fluctuation intensity of the mixed flow PAT is investigated, and the vortex characteristic is revealed.
A comparison of the results and the computational efficiency using different methods.
This matter can be explained by the fact that an increase of temperature will speed up the hydration process reactions at early ages and lead to the formation of a more C-S-H gel, and, as a result, greater values of compressive strength.
By comparing different groups ' demand factor for the time since migration, Fig. 9 shows the dynamic changes of each group 's thermal adaptation.
In order to improve the optical absorption properties and thermal performance, it is obvious that compounding PCMs microcapsule with carbon material is the best method.
Zhang and Li (2013) and Zhang et al. (2014, 2017) proposed to use vertical friction plates, as illustrated in Fig. 1(a), and performed large-scale model tests to investigate the effects of vertical friction plates on frictional resistance.
In most cases, ground densification amplified flexural drifts on the structures by increasing the transverse accelerations acting on their foundations.
Attempts by the Kucapungane tribe to carry out things like this will be discussed subsequently.
It can also be observed that the actual period of the SDOF system with the CID is longer than 2 seconds, indicating that the CID reduces the frequency of the system.
Numerical models of the hybrid DSTCs were developed and validated by comparing the simulation results with available testing results.
The students perceived that acoustical and visual quality had the most influence on their school performance and, with the same dissatisfaction for acoustical, thermal, and indoor air quality, they attributed more relevance, in the overall quality judgment, to the acoustical condition.
Back-analyses, based on the observational method [7],
The NOR algorithm detects distinct peaks in the strain signal, as each peak corresponds to a single axle or a group of axles in the closely spaced axle configuration.
Based on the findings, we recommend changing the current limits set forth in the thermal environment parameters stated in Singaporean standard SS 553 (2016).
Therefore, finding optimal retrofit plans for existing buildings are essential given the high investments involved in the retrofit of buildings that do not currently comply with the policy.
The LTCC model consists of 9258 blocks and 93,072 diagonally opposed triangular elements.
And some recommendations were proposed for future tunnel planning based on these analysis.
It also consumes portlandite during its pozzolanic reaction and simultaneously refines the pore structure.
The renewable electricity production in the EU increased by almost 75% since 2005 to 927TWh in 2015, on a trajectory that is likely to lead to 1210TWh renewable electricity in 2020.
The lateral load-resisting system in the truss on the left (east) side of the frame in Fig. 2(b) consisted of a single buckling restrained brace (BRB) prop that acted as the primary energy-dissipating device in the system.
White et al. (2005) experimentally demonstrated that the amount of CO2 adsorbed by the coal under the same conditions is double that of the coal-to-CH4 adsorption, CO2 injection enhances CH4 production both by reducing the partial pressure of CH4 and by preferential sorption (Mazumder and Wolf, 2008).
For FRCM, one gauge was placed at midspan and the other two were attached to the right and left of the middle one 50 mm apart.
In such a sludge fermentation concept, with FA-supported sludge pretreatment, both sludge reduction and hydrogen yield are achieved in an economic way.
The peak strength of each curve is herein termed as the global peak strength and the gradient of the initial linear part of the stress strain curve is termed as the working modulus.
GO has good hydrophily and it can completely disperse in water, in addition the resultant MEPCM had been washed with water for five times, therefore GO can primarily be included inside the MEPCM.
Finally, we discuss and summarize the results in Sections 5 and 6, respectively.
Stages (1) and (2) are ascending stages, in which the deformation increases with increasing stress.
Four tractor trailers were present during the accident; they are denoted as T1, T2, T3, and T4, respectively.
There have been many constitutive models that attempt to simulate the actual behavior of foundation soils.
According to their simulations, based on the cycle configuration and working conditions the net efficiency of a dry cooled Concentrating Solar Power (CSP) plant can be improved between 3 to 8%, using radiative cooling as supplemental cooling.
However, it is inconvenient to reuse the buckling-restraining elements of ordinary BRBs, which does not help achieve the sustainable design objective.
Note: all ingredients content are expressed as weight proportion of cement content.
The load was applied at 1/3 span points with a distance of 150mm from the support.
NS increases water demand in RCR.
They showed that when the supporting building is in the elastic range, the ASCE 7 in‐structure amplification factor could overestimate floor acceleration responses by a factor up to 3.0; for a building ductility of 2.5, this factor could be as large as 4.0.
It is noted that all of results are drawn depending on the batch fluidized bed experiment.
For example, circles/spheres [20], [21], [22], [23],
The latter aspect was crucial in the case of the presented open-pit slope failure, as the main reason behind the fatality of the event has been the impossibility to perceive its actual proportions from the poor radar coverage over the unstable area.
The New Zealand applications include buildings throughout the country that have used combinations of unbonded PT walls and frames.
The seismic ground motion employed is spectrally matched with EC8 elastic spectra.
The progressive failure of rock model in numerical Brazilian disc test was analysed in detail from 3D perspective.
Enlisting the help of XRD on the reacted glass did not clear this ambiguity as there was little crystalline material; however, the few peaks that went above the detection limit (2%) were more in line with a clay mineral of the smectite group than a zeolite.
The schematic diagram of the two reactor systems used for the study is shown in Fig. 1.
A large anchoring length of anchor in rock slope is not a necessary case as long as it meets the demand for resisting the pulling force.
Both parameters are directly related to the transfer of wind energy to mixing.
Worldwide "increasing energy demand has become as one of major public concern.
The maximum slip deformations of Specimens B0-B6 were 5, 4, 3, 7, 2, 1, and 3 mm, respectively.
As shown in Fig. 6(d), when the fractal labyrinthine acoustic metamaterial is replaced by a solid plumbum (the blue region), there are two bandgaps in the frequency range [20 Hz, 2000 Hz].
A few years later, a single detector was settled out for medical applications [18].
The porous TiO2 NFs obtained by solvosonication at the time duration of 90min has enhanced photocurrent density (Jsc) of 9.21mA/cm2 with high power conversion efficiency (η) of 2.15% than the conventional TiO2 NFs (η≈1.50%).
Elastic domain in the 2-D plane stress condition.
First, a large number of samples were drawn iteratively using LHS, and at each instance, the correlation between random variables was compared with the initial correlation structure that defines the infill strut backbone model.
After several tests, carried out by varying the ground motion record, the building did not collapse and exhibited only local damages close to the connections location.
RCA-T aggregates provided good quality concrete, competitive to Control concrete.
In order to consider his weight, the worker stands statically in the middle of the deck firstly.
However, many current design provisions (such as shear design provisions for elements without transverse reinforcement) are semi-empirical models, based on experimental testing of traditional RC elements.
Commonly used superplasticizers include lignosulfonates, naphthalene, melamine-based compounds, and modified polycarboxylates.
This is mainly because their microstructures were different from each other.
The sampling rate of AE was set to 2MHz to record the strain energy released by the coal samples during the test.
The lining structure of underwater tunnels should be designed to resist the combined pressure from both of the ground and the groundwater (Bu et al., 2017, Zhang et al., 2017, Li et al., 2013a, Li et al., 2013b, Bobet, 2003, Nam and Bobet, 2006, Lee and Nam, 2001).
There might be a reason for this difference.
The passive resistance recovers as the influence of the slope decreases.
The waterbomb unit cell is a representative origami structure exhibiting bistability.
Therefore, for safety, the failure of the specimen is proposed once the capacity has decayed by 15% of its maximum moment capacity during the softening period.
Nevertheless, concrete cone cracks develop even in the presence of surface reinforcement and dominate the failure of the tested anchors.
The perovskite precursor solution was filtered with 0.45 μm PTFE (polytetrafluoroethylene) filter and deposited on the ETL coated substatres with pipettes for spin-coating.
Damping ratios of stay cable with inerter damper when one mode is optimized.
In turn, the mean cost of replacing the damaged contents is estimated at $6,000, which corresponds to 1.7% of the contents ' value.
To do this, a closed-form representation about the shear strength of unsaturated soils is incorporated into the kinematic limit analysis method.
Additionally, the weights have to be changed with every optimization run, but here, one has to consider that a uniformly distributed set of weights does not necessarily lead to a uniformly distributed set of Pareto-optimal solutions (Deb, 2001).
In this paper, an experimental program aimed at investigating the IP/OOP interaction in URM infill walls carried out at the Department of Structures for Engineering and Architecture of the University of Naples Federico II was presented.
Furthermore, building energy usage and evaluation of large scale can expend time allotments, especially when used with the single building based simulation approaches.
However, only a small number of spatiotemporal exposure studies have been performed that meet these criteria (Baker and Kasprzyk-Hordern, 2013; Daneshvar et al., 2010; Kasprzyk-Hordern et al., 2008; Paíga et al., 2016).
Finally, there is still the question of how many DEM cycles should be run once fluid forces are applied on solid particles.
FTA selected projects based upon a comprehensive, multicriteria scored evaluation procedure that included these guidelines, FEMA 's hazard mitigation cost effectiveness methodology and consideration of a project 's implementation strategy, protection of the most vulnerable assets, collaboration with local and regional planning agencies, project interdependencies, local financial commitment, and applicant technical capacity, among other factors [Notice of Funding Availability for Resilience Projects in Response to Hurricane Sandy.
Recycled aggregate can have lower embodied energy in addition to reduced transport emissions, especially where recycled materials are re-used in close proximity to the site of re-processing.
An example of a resistance curve modified for rolling shear failure is shown in Fig. 16 for specimen CLT3-4.2.
In this sense, fuzzy set theory offers a solid mathematical background on which solve the issue of labelling each pixel as belonging or not to the RUI through the assignation to each pixel of a degree of possibility of belonging to the RUI set.
Recent advances in additive manufacturing (AM) and micro- and nano-fabrication allow for the creation of mechanical metamaterials at length scales ranging from the submicron to the millimeter scale for a wide range of base materials including metals (e.g. Schaedler et al., 2011, Gu and Greer, 2015, Gümrük and Mines, 2013), polymers (Zhang and To, 2016, Babaee et al., 2013), ceramics (Bauer et al., 2014), metallic glass (Liu et al., 2016), glass (Kotz et al., 2017), carbon (Bauer et al., 2016) or fiber-reinforced composites (Compton and Lewis, 2014).
Samples extracted from the cubes crushed during strength testing were stored in acetone for at least 7 days to stop hydration, followed by vacuum drying for another 7 days in preparation for XRD, TGA, SEM and BSE analyses.
It is known that a soil property at various locations (at a project site) is often correlated to some extent in both horizontal and vertical directions, and such spatial correlations generally decrease with the relative distance.
These favourable framework conditions and the significant benefits biogas production create good perspective for further biogas development and its use in various sectors.
In the context of this study, smart metering systems coupled with big data analytics have been explored to reveal opportunities for operational efficiencies and customer engagement for many aspects of the urban water management process as presented in the next section.
This study considers different locations of independent foundation above the tunnel: (i) on the middle part of the tunnel section (500m from the starting point); (ii) near the station (10m, 15m, 20m, 30m, 40m from the starting point).
It is clear that the stability factors of an unsaturated slope are directly related to the water level, and simultaneously, the SWCC models and suction angle.
SEM images of the geopolymer paste were used to construct the RVE microstructures.
In the current model and at the same face advance, the roof rocks failed up to 83m above the seam floor.
Starting from the simplest system where there is a contact between two separate bodies, Amonton 's law of friction states that the shear force required to cause the slip is proportional to the normal force acting on the surface and the coefficient of proportionality is the friction coefficient.
Thickness variation of optimized top-hat columns along (a) circumferential direction (CTC) and (b) axial direction (CTA).
If it was, they would be paid a $2 bonus less the cost of the actions that they paid for.
The authors thank Prof. Dr. Alexandros Taflanidis for his support during the implementation of the subset optimization algorithm.
Combined with the unrealistic scale of specimens, no axial load is applied in these experiments, indicating that the results should be taken with care.
The specifications of experimental instrumentation are summarized in Table 2.
In this range, column axial shortening is linearly dependent on the cumulative plastic rotation.
During the deposition, the fibers are allowed to bend and wrap around other underlying fibers.
The hybrid composite properties exclusively depend on many factors such as, property of the individual fibre, compatibility between the fibres and their matrix, fibre surface roughness, fibres orientation and extent of intermingling of fibres [119].
While the piezo‐actuators are inactive, the disturbance channel is triggered by a random signal in the frequency range of [0 800] Hz.
Cantilevering parts, undercuts, and structures on the surface and on the inside, such as parts with inner voids can be made.
The resolution of this infrared camera is 25mK.
The vibration amplitude of waterjet impact is much larger than that of drilling.
Constant shear retention factors of 0.2 and 0.05 were taken into consideration.21 Exponential and parabolic curves were selected for the description of the tensile and compressive behaviors respectively.
The effect of different flow conditions becomes smaller in silt and is negligible in loess and sand.
Where, U4 represents U29 arch combined support and S4 represents SQCC150*8 arch combined support.
Fig. 19 shows the portlandite content of the samples 60C20D20M with a w/b ratio of 0.45 and 0.93, both cured at 20 °C, 38 °C and 60 °C for 400 days.
Meanwhile, Fig. 7(b) corresponds to the agglomerations shown in Fig. 6, where the GO agglomeration significantly lowered the absorbance for the peak at 210nm.
Spatial–temporal representation of the binary events based on the multiple threshold concept was determined and shown in Figure12 for four consecutive time steps of the dynamic analysis.
Despite this, the estimation of the change rates had high accuracy, as previously presented in Table 5.
The inability to perform real-time displacement measurement, however, would limit the application for continuous online monitoring.
The impact of different backfill materials on the dynamic response of embankment at various depths at the centre of the track can be observed clearly in Fig. 10.
The Instron 2620‐601 axial dynamic extensometer with a measurement base of 50mm was used for strain control.
The reservoir pore pressure change occurs due to combined effect of the mechanical deformation of the rock mass and the poroelastic effects that are the time dependent fluid diffusion into rock mass.
The parameters L and λ need to be set carefully [34], [37].
Also, the increase rates of the average relative errors for both the IFCF and the ISRF become larger with the decrease of SNR.
The additional pores formed by the swollen SAP particles are large enough to be comparable to the entrained air void that can decrease the strength of concretes, including UHPC [28,51,52].
It can be seen in Fig. 15(b) that the maximum longitudinal stress locates at the pavement edge in the transversal direction and decreases progressively from the pavement edge to the pavement center, and along the longitudinal direction, the longitudinal stress decreases from the middle crosssection to the suspender crosssection.
The responses of the rock mass around the cavern are simulated during leaching, sealing test, debrining and operating.
This study is our preliminary attempt to investigate the extrusion process of proposed cementitious material and evaluate its coordinating effect with the printing system.
Further studies show that the difference between the two moduli may be larger than dozens of percent, and the calculated cable frequency error can be larger than 5.0%.
For the quartz optical fiber, which does not interact with other solids at the place of the Bragg grating location, the strain coefficient is Kε≈0.78 with sufficiently high accuracy.19 In the case when the optical fiber with the Bragg grating interacts with the surface of some material (e.g., through a glue joint) or is embedded in the material, the value of the coefficient Kε in Relation 3, which is used to evaluate the strain, must be refined, that is, calibrated.
The IDA results of the isolation level and of the superstructure for the softening behavior are respectively illustrated in Figures7 and 8, showing only some results.
Effect of cooling methods on residual compressive strength.
In Miami, the indoor temperature and relative humidity under both heuristic and reinforcement learning control strategies are shown in Fig. 8.
This design example is based on the currently available design method for sheathed CFS panels subjected to out-of-plane bending; however, the current method can be improved by carrying out more experiments on sheathed panels followed by a thorough examination of the appropriate stiffnesses (k_x, k_y, and k_) to be incorporated for performing the elastic buckling analysis.
Only if the active damping ratio is set to zero, then the two mobilities become the same as indicated by the red dotted line in Fig. 11.
Here, we are only interested in the steady‐state solution, so initial disturbances will be attenuated after a while.
This is to be expected given that the inelastic method is explicitly based on overall system behaviors.
In low-rise regions near country parks in the southern part of the study area in Hong Kong Island where BVF is low (e.g., the dotted rectangles in Fig. 6), the SVF values, however, are in a much lower range (0.0-0.2; Fig. 6 (c)).
Previous researches have shown that the combination of electrochemical oxidation and sizing treatment can clearly increase the IFSS or the ILSS of carbon fibre/epoxy composites by 14-75% and 15-41%, respectively [8], [13], [26], [27], [28].
Sample 60C35D5M showed a significantly lower chloride binding than sample 60C40D when cured at 60°C.
MWCNTs have a remarkable influence on the retention of SDBS in sediment (Fig. 4).
In the parametric analysis, the reinforcement ratio and the inclined angle of the dovetail-shaped areas were investigated.
The embedded bars exhibited two stages of response during loading.
Create clump templates as coarse aggregates.
It is hoped that further research will be carried out in the future to find, design, and manufacture the appropriate material that can reflect physically the behavior of superhealing materials.
Basically, the sample is placed between two heated plates with δTa and δTs.
Specimens 1 to 10 performed as intended in design as they could sustain significant cyclic ductility demand, higher than code prescribed acceptance criteria, and exhibited stable hysteretic response without strength deterioration.
The relationship between the width of a sliding body and the safety factor as well as the value of the safety factor itself, were determined.
Wall SQ2S experienced a maximum sliding displacement of 15.5 mm at the right end of the wall at ultimate.
Various other remunerations can be associated with expanding this algorithm.
For the discrete element method, Assefa et al. (2017) analyzed a deep-seated slope movement in a complex rock formation.
The resulting meta-model serves as a basis for implementing an approach that directly simulates the range of price elasticities resulting from policy-relevant combinations of its determinants.
Rupture at the location of the couplers occurred at 41 mm elongation, corresponding to 1.61% elongation of the full brace and 6.45% elongation of the SMA link.
N/A: not available; DIC: digital image correlation.
It can be seen from the error analyses that the model proposed by Lin and Zhao [27] shows the best performance among the existing models (Table 1), with R2 = 0.456 and IAE = 0.229, followed by Chung et al. [21] with 0.396 and 0.253 for R2 and IAE, respectively.
An optimized HVAC control strategy was then developed by grouping similar occupancy patterns into the same thermal zone.
Comparing with the evaluated deposit volumes of 2.70 × 106 m3 by Gao et al. (2014) and 1.10 × 106 m3 by Sichuan Transportation Department Highway Planning, Survey, Design and Research Institute (2010), the calculated deposit volume in this research appears to be reasonable.
Fig. 1 shows the reinforcement details of the circular and square columns, respectively.
Snapshot of the normalized acoustic pressure field of the trailing edge noise generated by a single convecting vortex on a NACA0012 airfoil with solid trailing edge.
This indicates that the soil freezing speed in simulation is higher than the measured result.
This research received no specific grant from any funding agency in the public, commercial, or not-for-profit sectors.
Inelastic displacement ratios of soil-structure systems with considered hysteresis models for a0 = 1.
UV/H2O2, for example, was described as an AOP without significant OBP formation and no or minor increase of genotoxic activity if applied to surface water (Linden etal., 2005).
Two types of regression models (constant variance and category-dependent variance) were created to quantify the impacts of potentially explanatory variables on labor cost changes following disasters.
In particular, we show that the concept of stranded CO2 can transform a seemingly high-performing infrastructure design into the worst case scenario.
The force produced by the inerter is proportional to the relative acceleration between both ends, and the amplified equivalent mass effect, that is, inertance, is realized by a mechanism using the hydraulic,9 ball screw,3 or rack and pinion inerter.8,
In the previous methodologies, current wind standards provide estimates of maximum wind velocity; conversely, the third methodology estimates the probable maximum wind velocity from statistical studies from Friedman (1973).
Effect of tetracaine concentration on its decay kinetics for the PEF treatment of 150 mL of different solutions of the pharmaceutical spiked into urban wastewater at pH 3.0 using a BDD/air-diffusion cell at j = 33.3 mA cm2 and 35 °C.
The Aqua-Protec model uses the inflatable technology described in the "Backwater Valve Classification" section.
However, about one kilometer south from the village center there is higher wind potential with about 5.8 m s1, as a yearly average.
Fig. 19(c) shows that EWMA statistic based on the residual of the DC voltage could show up and exceed the lower control limit indicating the occurrence of some abnormalities.
First, compared with the NNI, a simple group of OSP layouts are illustrated to verify the accuracy of the proposed SDI.
Significant response parameters of the reference specimen OOP_4E.
As regards the bottom connection, the in‐plane and out‐of‐plane force‐displacement relationships are modelled by means of springs with a symmetric elasto‐plastic hysteresis: The stiffness is evaluated considering the supporting bolt as a cantilever beam with a horizontal load at the top; the yielding load is associated with the flexural capacity of the bolt.
Finally, a literature survey was made and results indicate that the main sodium in the Xinjiang coal basin of China is water soluble with an average value of 64%.
The RH probe was used by drilling a fresh hole and then immediately inserting the probe sensor to measure the RH and moisture conditions at middepth (100 mm) of the column.
Polyethylene (PE) and polyvinyl alcohol (PVA) fiber reinforcement of one-part geopolymers prepared using fly ash and blast furnace slag or lime has been studied by Nematollahi et al. [67], [68], [136], [137], [138], [139] in several papers.
FRP fibre direction was indicated by dashed lines in Fig. 1b and c. Steel bolts of different lengths were inserted into the preset holes, followed by pouring in epoxy resin to form a bond between the concrete and steel bolts.
The postbuckling performance (overall axial stiffness) of this blended VAT panel is lower than the postbuckling result given by the target VAT panel #5.
Beams B4 and B5 were both strengthened with one layer of CFRG strengthening system, and were applied the same level of loading.
In order to investigate the valence states of the Sb2Se3 films and nanorods, XPS analysis was conducted.
The authors demonstrate the methodology by studying the energy flexibility of a hot water storage tank used for space heating and domestic hot water.
Except for Specimen 11, the effect of through‐width gap on overall response was minor because of the large in‐plane buckling capacity of the core and high in‐plane constraining stiffness of the restrainers.
After curing (oven baked at 177°C) the material achieves a strength of 2.6MPa.
In this section, the process of determining all the required mechanical properties for the numerical model, mainly from the experimental data presented in Section 3, is demonstrated.
Another feature of the effective coalition formation is also the management of energy balance, for scenarios where a limited and/or restricted electrical power is purchased from the upstream grid.
In addition to temperature, other parameters like nutrition and aeration needs to be maintained in optimal range, to modify or tweak the biomass composition according to the required task.
The extent of damages varies in different locations.
It is difficult to determine an optimal solution that optimizes all objectives simultaneously (Luo et al., 2015, Qin et al., 2010).
Pseudo-code of the CF-guided optimization strategy.
First, they derived the weights of six ESS with a stakeholder questionnaire and the analytical hierarchy process (AHP) (Saaty, 1988).
Fig.3 shows the scatterplots of the response variable (LCC) versus each explanatory variable (EC, CC, WW, WL, and BP).
This rule of thumb, though, does not mean that the ptuni(or the pCAVexc/gtanα) is an "efficient" IM of rocking overturning prediction, as the inverse is not true; increasing further ptuni>1 does not imply significant increase of the probability of overturning (Figure 13).
Because ASCE 7 is meant to provide demands at a DE level, for a more reliable evaluation of the Fp equation, 2 representative archetype buildings are designed based on the ASCE 7‐16 seismic provisions and exposed to various ground motion intensity levels (including those consistent with the ones experienced by instrumented buildings and the DE).
In theory, both prepared CFRP plates contain ~13,000 filaments per mm2 along the cross section of specimen.
As shown in Fig. 2(a)-(b), the defective frequency cannot be identified from the waveform, the power spectrum and the TFD due to the influence of noise.
However, this joint geometry may be viewed as overly simplified and hides potential practical issues with the proposed retrofit solutions.
A normal distribution was applied to all variables in Table 4.
Therefore, with these considerations, we carry out triaxial creep tests on the COx claystone samples but under fully saturated conditions but with controlled saturation degree.
As concerning the overall perception of the sound in the classroom, the question with the best correspondence is the n. 16: it is represented vs. the reverberation time T60 (Fig. 7).
The strain gauges are arranged just above and below the SCD location on the tower to investigate effect of the SCD.
It can be seen that the two values are very close, with the exception of stiffer, squat structures.
Moreover, with the increase of kw and kp, the natural frequencies and static buckling load become larger.
This study presents the application of a data-driven WofE model for landslide probability assessments in a landslide-prone area in northern Pakistan.
If α is a martensitic phase, applies.
The overall procedure for combined event disaggregation is detailed in Nguyen et al. (2013b).
Fig. 5 shows the bending moment and shear force along the tunnel axis for α0=45° and α0=90°, respectively, obtained from ABAQUS and from the analytical solution.
The accuracy of the heat flow measurements was ±1%.
Therefore, for regional analyses, these models can be computationally expensive.
The repeated sensors among the four setups, such as Sensors1, 9, 10, and 11, were reference sensors that were used to assemble the partial mode shapes identified from different setups.
Convergence in a time step is achieved when the norms of both the incremental velocity and incremental pressure vectors are less than 10-6.
Despite the large cumulative traveling distance of the RSF joints during the tests, which was approximately 19 m for each joint (including the joint component tests, the trial tests, and the final tests in which the results are presented), they still performed as predicted by the end of the last test.
This effect resulted in a relatively large error in the quantification (estimated at approx.
Therefore, partly matching the well resistance based on the geometry and smear effects for the axisymmetric case to the well resistance for the plane strain case determined by Eq. (3), the variation of excess pore water pressure with depth will not be the same as for the axisymmetric case.
The inclined angle was found to have little effect on the strain development, whereas a larger reinforcement ratio resulted in early yielding of the steel beam.
Changes in the YS width can reflect the intensity of the longitudinal strains sustained by the section, a technique that could be used as a quick nondestructive test to verify the state of damage in a BRB after an earthquake without dismantling it.
Shear force transferred by different components.
One typical local cell is illustrated as the area marked by the block.
G600 sand collected on a 600μm sieve (passing 710μm sieve) was used in the one-dimensional compression tests.
Using the Hamilton 's principle, the nonlinear partial differential equations of the cylindrical shell with the spinning motion subjected to the external axial load are derived.
Biofuel mandates were in place in 66 countries at the national or state/provincial level in 2015, meeting about 4% of global road transport fuel, while support is being shifted towards the promotion of advanced biofuels in some countries [16].
Addition of PMS produced higher onset potential from 1.94 V (electrolysis with BDD anode) to 2.09 V (PMS).
On the contrary, increasing the bolt installation density could always help to reinforce and stabilize the surrounding rock mass.
Landslide hazard map of the Chomolhari region (Bhutan) with indication of the type of instabilities (colour of the border line) and if the hazard assessment is based on satellite SAR interferometry (dashed border line) or not (solid border line).
The Wittrick-Williams algorithm has featured in hundreds of papers in the literature and its details are not repeated here.
Commercially available surfactants such as Gum Arabic (from Sigma-Aldrich), Microair 905, Sika Viscocrete 6 and ADVA 210 (supplied by Grace Australia Pty. Ltd.) were used for dispersion analysis.
Low and moderate seismic risk regions may use untopped double tees relying on mechanical connectors at the joints to transfer diaphragm in-plane shear (as well as vertical shear), and dry chords or often cast-in-place pour strips at the ends.
The critical normalized footing distances λ0 from face failure to the Prandtl-type failure mode.
Bilinear elastic-plastic with strain hardening relationship was applied to post-tensioned truss elements, since yielding was not expected during loading cycles.
The novelty of such a method is that it takes into account contact strength between blocks and matrix and its possible effects on the overall strength of bimrocks.
It has been seen from the comparison that lasso regression has a better efficiency and reasonable accuracy in the classification and prediction.
At this point, data is not sufficient to derive a conclusion on the influence of sample size and test method on the measured shear strength of the loess.
The application of this methodology is observed for Southern California and San Francisco bayregions.
The proposed wireless and real-time 1D CNN-based damage detection algorithm is explained in Section 6.
The two bursts debris flows completely blocked the Minjiang River with a total runout volume of 0.55 × 106 m3 (Fig. 7b).
The proposed well-confined frame (Frame A) is designed to meet the requirements of Iranian seismic design code No. 2800 [28], ASCE 7-02 [29] and ACI 318-02 [30].
The videos are available online in the ASCE Library (www.ascelibrary.org).
For example, the probability distribution function (PDF) of the annual flood magnitude for a specific location in the current climate can be broken down into its contributions from the inciting storms including tropical cyclones, convective storms, and winter storms (Merz etal. 2014).
In all cases, by increasing nanoparticle volume fraction, both viscosity and density of fluid increase.
Because of the low fracture toughness of the plasma-sprayed ceramic coatings, the crack penetrates through the ceramic layers into the BC, and then, it is arrested at the BC/substrate interface.
The rapid rate of climate warming in Alaska has raised interest for decision support tools in that area.
Since each aggregate has different size, therefore, based on Eq. (16), each aggregate would have different effective Young 's modulus and effective Poisson 's ratio.
Square partitioned results, Fig. 12(a), show a relatively small difference between the three microstructures, all of which show relatively high variability.
The photocurrent density over the full range of measured potential (0 to +1.2V vs. Ag/AgCl) was higher using the NaOH electrolyte than the Na2SO4 electrolyte.
Not unexpectedly, the HVAC EUI model showed the greatest range of prediction deviations.
Probability based techniques have also been vastly applied for earthquake forecasting [24].
After curing, samples were demolded and cut in four equal 25mm height sections with a diamond saw.
The cost of the make-up water and cooling water was discovered to accumulate 0.9% and 0.5% respectively of the V-OPEX.
Moreover, the gray blocks represents the total percentage of the detection accuracy in the column and row respectively.
To capture the nonlinear behavior of the piles, the symmetric trilinear material model is used [8]; the yield force is assumed to be half of the maximum force; and the yield and ultimate deformation are associated with 6mm and 25mm, respectively.
Considering geomechanical simulations, improvements in speedup and efficiency should ideally be reported for a range of models of a practical scale and resolution (i.e., considering problems for which the software was developed, not idealized cases which produce the most impressive metrics).
The pretension force in the steel strand was monitored before and during the tests by the force sensor located at the beam end.
Literature review illustrated that the incorporation of fibres into the polymer matrix enhances the mechanical properties of the composites [86].
Results indicated that the adopted strengthening configurations prevented the shear failure of the joint.
However, the evaluation of its real-time TES performance is still needed.
The secondary TLV mainly recedes to the blade trailing edge.
Values of site specific parameters, k, b, and γ (Model 1).
Vehicular traffic imposes cycles of loading and unloading on the structure that can lead to fatigue failure, but the fatigue life of FRCM materials is yet to be investigated.
Using the NABERS star ratings as a baseline, it was determined that the site was achieving an average of a 3.5-star rating (equivalent to 207 kg CO2-e per m2).
The best mass transfer correlation set for the AMP-based process among three options is identified and near-optimal operating conditions were determined by a sensitivity analysis.
The slope is relatively homogeneous and has no obvious weak zones.
FAST has been used in numerous previous studies ([[43], [44], [45], [46]], etc.) to model the structural dynamics of wind turbines.
An advantage of control charts is that they can be automated for on-line structural health monitoring [38].
R, environmental input/out per dollar of output,
The abrasion resistance of RCR is determined using the Cantabro loss.
The analysis at a specified time step terminates if failure is attained; otherwise, the analysis continues to next time step.
As for previous editions, it would be impossible to give a detailed view of the scientific activity in each research topic, and the present paper focuses on innovative advances and findings from accomplished projects funded by European, industrial or national programmes.
Experimental tests were performed to verify the damping force model for the SCD.
In food processing, similar problems are addressed by ultrasound profilometry and pressure difference measurements along a pipe [82,83].
The other is the effect of the circulation times through the recycle loop of chemical solvent on the response of the absorber column to changes in reboiler duty.
The presence of C-O-C groups is also indicative of nitrogen-carbon linkage between the 9′ nitrogen of purine bases and the 1′ carbon of the sugar group in DNA (Berg et al., 2002).
The two lines of isolators at mid-supports are placed eccentrically with respect to the pier axis.
The numerical results indicated that the dynamic shear force of the reinforced concrete column under vehicle impact is not only greater than the static counterpart but also varying with different collision conditions.
A more complete set of data will allow studying the mechanism of steel corrosion in carbonated concrete made of different blended cements.
The increased size of the sludge caused by particle aggregation, which limited the disintegration rate of WAS, was considered the main reason for the deterioration of methane reduction (Campos et al., 2008, Chu et al., 2005, Dentel and Gossett, 1982).
Note: Production of RBPC in China has been increasing in recent years due to the proven technological advantages and economic benefits of using the RBPC new materials solution for massive concrete in dams.
The SDK uses the Geospatial Data Abstraction Library (GDAL) (Warmerdam, 2008) extensively to provide support for reading various geospatial vector data formats (e.g., shapefiles, GeoJSON, GML, CAD, KML, etc.) into objects defined by OGC 's SFA that can then be accessed programmatically by model components.
Sampling point A2 was chosen to evaluate the water quality of secondary effluent in CAS system.
The initial interpenetration is recorded and is used as a permanent offset for the contact pairs.
As expected, any increase in ductility capacity will be accompanied by a reduction in inelastic displacement of both fixed- and flexible-base systems.
This stiffness is assumed constant in the case of the simplified models and it is always greater or equal to the corresponding stiffness of the advanced bearing model, which accounts for the coupling between the horizontal and vertical response.
In the absence of such information, confidence in simulation results are less as compared to studies with more detailed management information inputs, such as field-scale studies.
Investigators have expended considerable efforts which have led to the insurgence of massive literature on the free vibration behaviour of Functionally Graded Beams (FGBs).
The compressive strain of UHP-ECC at peak stress was also higher than that of OPCC, which would benefit the ductility of UHP-ECC beams controlled by the failure of the concrete/UHP-ECC crush.
It is noted that the emphasis of this paper is placed on the vision-based sensor systems for structural dynamic displacement measurement and SHM applications.
The main roof first weighting had a single key stratum structure, and the entire thickness of the overburden strata moved together.
Kosi et al12, 13 noted that for older RC frame buildings, an additional human‐induced uncertainty arises due to the imperfect knowledge of the actual structural composition because very little structural detail may be available.
The GP 's evolution is supported through boosting, where multiple GP strings are evolved per class, which act as single class classifier.
Mannitol also showed a one-step mass loss that started at 294 °C and finished at approximately 410 °C, corresponding to the evaporation of mannitol.
When half of PVA fibers are replaced by recycled PET fibers, SHCC shows a decrease of around 20% in embodied energy and a reduction of about 40% in material cost.
For BWIM systems, the acquisition of vehicle speed and axle spacing (AS) is a prerequisite for accurate identification of the AWs and GVW.
A 100-year flood hazard map was developed for Guwahati city of India, and the hazard ranks were developed by the interactive effect of hazard-causing parameters such as flood depth, inundated area, land use, affected population, and roads corresponding to the land use of 2006 and 2011.
The N2-rich stream from the oxidation reactor is expanded in a turbine to extract work and then is cooled down by producing saturated HP steam at 174.4bar and pre-heating the H2-rich fuel.
Two clamping heads were designed and manufactured with a three‐jaw chuck tightened by clamp with a rotating of the lock nut to grip the SMA wire (Figure1b).
A main drying effect shown in ESEM images by [36] is that gradual drying produces a mixed bumpy and amorphous surface, and no fibers or needles can been seen.
The Universal Soil Loss Equation is a good example of modelling a single function, capturing multiple simplified processes coded into the model terms; soil erosion is not a ES on its own, and understanding is needed as to how soil erosion links to crop production, water flow and water purification services.
The assemblies containing STS loaded in shear and STS loaded in withdrawal reached similar stiffness values like the assemblies with STS in withdrawal (k>9kN/mm;>8kN/mm; and>6kN/mm for small, medium and large test assemblies, respectively).
Hazus-MH analyses are scalable, depending on the data available.
It is worth noting that the phase transformation stress and the corresponding strain of SMAs are deemed to be constant in Equations3 and 4, indicating the temperature effect on the mechanical properties of SMAs is not well considered by the adopted design approach.
For vibration acceleration sensor 1#, the VAe of waterjet impact is 7.11 times larger than that of drilling under the pressure of 5MPa.
Sh number was developed based on the NFs Reynolds (Re) number, NPs Reynolds (Renp) number, Schmidt (Sc) number, and NPs volume fraction with an average relative error percent (REP) of 1.6% and R2 of 0.99.
The only method that hasn 't been regulated yet by technical standards is IRT.
The related solar thermal technologies also develop rapidly.
This soil stratigraphy matches the visual inspection of tube specimens and the results from site investigation [2], [3].
Biofilms with homogenous morphologies had very high hydraulic resistances.
Local imperfections can be further classified as crown, flare, and overbend.
Note that all the above numerical data are purposely chosen to be perfectly consistent with the parameters adopted in Section 4 for drawing the design graphs.
The sensors installed on the columns measure only the horizontal vibration, and the sensors installed on the beams measure only the vertical vibration.
Groves et al. [22] also identified a fine mix of calcium carbonate and decalcified C-S-H in carbonated sample using Transmission Electron Microscopy (TEM).
Conventional ARM algorithms, such as Apriori and FP-growth, are used to discover frequent patterns from categorical and cross-sectional data [14].
In conclusion, the derived modified Hoek-Brown criterion incorporates the hydrostatic stress effect and intermediate principal stress effect.
The bedrock confined fissure water reserved in the fault is plentiful and possesses a relatively high water pressure with 1.9–0.7-meter water head in certain drills.
The world has been witness to increasingly growing demands for energy due to higher levels of economic production but also high population growth [1].
These two models were specifically chosen to illustrate: 1) how the HydroCouple interface definitions and SDK can be used to convert legacy models into components; 2) how to develop new components from scratch; 3) how to handle the potential coupling configurations across models having differing dimensionality (i.e., 1D versus 2D); and 4) how coupled model components can be executed in parallel on HPC environments for more efficient simulations.
Fig. 10 shows the velocity vector through the tip clearance from the blade PS to SS and the distribution of IPF at the six axial sections (Fig. 6) under design flow rate.
For CC ETL, 0.5 wt% CC in DI water was spincoated over the ZnO layer at 3000 rpm for 30 s and dried at 100 °C.
These profiles were applied by a waveform generator, via an amplifier, to a vibration unit onto which the EHD was attached.
The aerodynamic coefficients were used to predict the structural damping required to prevent galloping using different models from the literature.
The results indicate that highly statically pre-stressed rock specimens can fail under minor dynamic loading.
The corresponding transducer voltage signals VT for dynamic, static, and monofrequent control are obtained by Equations14–16, see Figure4c.
The objective of the present study was to propose a structural capacity model and highlight the concept of an interface design in the three-step framework to evaluate practically the performance of coastal bridge structures susceptible to hurricane-induced surge and wave forces.
Vectors are drawn for two samples χ=0.34 and 0, respectively, both of which are sheared under σv=200kPa to δ=6mm.
Perform modal analysis to obtain the modal information of the damped structure in the current step.
After the temperatures of the samples achieved ~75°C, the light was turn off and the samples were immediately cooled at room temperature.
Fig. 9 shows the outdoor temperature and relative humidity of a 24-h period in September in Los Angeles.
HABs destroy the balance of ecosystems, threaten human health and cause agricultural and recreation-based economic loss (Paerl et al., 2011, Watzin et al., 2006).
The in-plane bending stiffness per unit width, αi, is estimated via inverse modelling.
The random impulses are obviously enhanced in both methods, indicating susceptibility to large random impulses (Fig. 6(a), (c)).
The modeled k value for the reaction between OH and NAP was 2.53×109M1s1.
Similar analyses are performed in which both axially rigid and non‐axially rigid columns are considered, and the errors of maximum responses of the wall between the continuous model and numerical results are shown in Figure 7B. It is observed that larger errors exist in shorter structures when applying the continuous model because the continuous assumption cannot be properly satisfied.
The modules demonstrate power conversion efficiencies above 10%, with a power output of 1.7 W.
Firstly, due to more hydrophilic nature of CC ETL film (as observed from Fig. 3(C) and (D)), the trapped moisture-assisted perovskite decomposition rate is expected to be higher [13], [72], [73] in CC devices, which also explicates lower normalized JSC[13], [72] retained in aged CC devices compared to aged CA devices.
One method used to simulate the inherent temperature-dependent behavior of bolted simple connections is a series of nonlinear springs.
The commercially available BDD electrodes always consist of boron-doped diamond thin film covered at p-silicon.
This is an unrealistic assumption for postpeak ductility.
Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.
Recently, the use of advanced techniques for OSP has attracted much attention.8-As is well known, in order to obtain the best dynamic information, sensors must be placed at the very key positions.
If we apply this standard approach to derive life-cycle assessments, we indirectly assume that every time an event occurs the system initiates from the same state, usually the intact one.
The high-speed photography images in Fig. 10b demonstrate that the dynamic fracturing process and failure pattern of the resin-based 3DP rock are to some extent similar to those of the prototype volcanic rock, i.e., new cracks firstly generated at the dispersed pre-existing micro-defects, then interacted and coalesced as the load increased.
The semi-spherical surface maybe the interface of the geopolymer binder and the fly ash ball, where many needle or stripe-shaped particles are formed (Fig. 9(e)).
However, in some cases, this may have led to the theories themselves being overlooked and not investigated further.
The irreversible interlayer pores are ascribed to the solid contacting of neighboring basal C-S-H sheets, which is too strong to be disjoined by water penetration.
The first term in Eq. (58) shows the stiffness of intact plate, the second term shows the reduction in stiffness due to crack.
For MSG, it took one hour and 58 min with one CPU for the entire analysis.
Corrosion of steel bars reduced the fatigue life of the unstrengthened beam FCU to 396,000 cycles, that was only 20% of the fatigue life of beam FUU.
Hydrogen is directly generated in the acidogenesis and acetogenesis processes but readily consumed to produce acetate, hydrogen sulfide, and methane in the homoacetogenesis, sulfate-reducing, and hydrogenotrophic methonogenesis processes, respectively.
It is evident that the distribution of CO2 concentration agrees well for two methods.
A tuned liquid column damper was used with a controllable valve as an external damping device to mitigate with wind turbine vibrations due to wind and earthquake loads.
Unlike the trend observed in PCA responses of the second mode, PCA responses of the first mode and PFA responses increase at a relatively slow rate while approaching a near‐saturation condition.
With the two assumptions made, only two unknown parameters describing the cohesive-adhesive fracture properties of N-A-S-H gel remain.
The demand for effective, rapid identification the location of faults in rolling element bearings has increased, promoting the development of fault diagnoses based on vibrational and acoustic emission signals and signal processing techniques.
The higher the stress, the deeper the section is required, indicating the rail seat region is the most critical section while other parts of sleeper do not require the same strength.
The understanding-based methods combine syntactic analysis and semantic analysis using artificial intelligence approaches to deal with any ambiguity (Xu and Sun 2016); therefore, the performance of these understanding-based methods relies on large linguistic knowledge.
Distributions of input variables of joint database (536 test specimens).
In this study, injuries and fatalities are the dependent variables and the tornado path width, tornado path length, tornado intensity, and population and housing unit counts located in the tornado path are the explanatory variables for the basic model.
When rolling failure is fully developed, the section no longer behaves as one rigid component, but rather as a set of (undamaged) longitudinal laminates weakly connected by transverse laminates which have become heavily damaged by rolling shear.
The results show that the most comfortable thermal condition, with thermal sensation closest to neutral, is achieved at a room temperature of 26°C with operating fans.
One issue that should be avoided is the subjective selection of indicators.
The δi distributions obtained by IDA when S1o reached its member yielding limit and S1s reached its safety limit are shown in Figure 15 and compared with the δi distributions obtained from the pushover analysis at the member yielding limit and safety limit step of S0.
The organizers of the Colloquium would like to express their sincere thanks to the editors of the International Journal of Solids and Structures for this special issue, and really hope that its content will inspire their colleagues to take an interest in the field of the mechanics of fibrous materials still facing many fascinating scientific challenges.
Unfortunately, however, the understanding of various factors and phenomena influencing infrastructure resilience in developing countries is rather limited.
Numerical simulation is another crucial method to reveal the potential laws of hydraulic slotting.
Finally, the optimal weighting of each term within each Volterra kernel is obtained using Levenberg-Marquardt approach.
The study area is primarily covered by the Murree Formation which is comprised of interbedded siltstones, sandstones, claystones, and shales.
Previous studies have shown that timing affects tornado casualties (Simmons and Sutter 2008, 2014).
Note that Eq. (30) is also applicable to the comparison model by De Domenico and Askes (2016), since its governing equation of motion has an identical form as Eq. (25).
In particular, there is a re-use market for aggregates derived from C&D waste in roads, drainage and other construction projects.
In this study, the machine learning methods, namely, vehicle detection algorithm and histograms of oriented gradients, were used for vehicle localization, and an image‐processing‐based iterative algorithm was used to process the measurement data.
Scheduling of the T/ESA cycle applied to the NGCC power plant.
Von Mises stress contours and strain contours for FEM simulations of cement concrete (a) without or (b) with CNFs.
However, as exemplified in the Annex 57 case study collection, the stated purposes of the building EEG assessments vary broadly and cause a wide range of diversity in the reported studies and results.
The continuous strength method (CSM) has been extended herein to cover the design of hot-rolled steel cross-sections, including I-sections and SHS/RHS.
In thus, at peak load higher smoke emission was acquired for mineral Diesel followed by B10 (72.8 HSU), B20 (71.85 HSU), B30 (69.15 HSU), B40 (62.85 HSU) and the lowest smoke is observed in case of B100 (60.7 HSU).
With respect to evolution of the proportion of weak contacts ρw, as shown in Fig. 14, all curves have a softening trend similar to their corresponding stress-strain curves in Figs.
However, no such practice exists in probabilistic seismic demand assessment (PSDA), even though it has been recognized that great uncertainty can originate from the response estimated from the use of different structural models.
Scheme 1A: treating zinc plate by hydrochloric acid, Scheme 1B: rinsing the zinc plate with distilles water, Scheme 1C: immersing the zinc plate in Ag+ (or Cu2+) solution, Scheme 1D: rinsing the product with ethanol and distilled water, Scheme 1E: stirring the colloidal Ag or Cu dendrite solution with PVP ethanol for 18-22h at room temperature to prepare PVP-capped Ag (or Cu) dendrites, Scheme 1F: dispersing Ag dendrites HAuCl4 ethanol solution to prepare Au-decorated Ag dendrites, Scheme 1G: stirring the Ag dendrite in HAuCl4 ethanol solution for 20h at room temperature, Scheme 1H: stirring the colloidal Au/Ag dendrites with PVP ethanol for 18-22hat room temperature to prepare PVP-capped Au-decorated Ag dendrites.
The experimental and numerical studies undertaken and described herein were intended to (1) experimentally evaluate the behavior of a strongback braced frame under cyclic loading conditions, (2) establish whether weak-story behavior could be mitigated through the use of a SB system, and (3) develop and calibrate numerical models capable of simulating the behavior of the tested and other SB bracing configurations.
Further work in Kosi et al12 segregated the relative contributions for both sources of uncertainty in the collapse capacity of older RC frames and noted a mean value of 0.33 for βUC,IM and 0.37 for βRC,IM, which agree very well with the results presented here in Table 5 for the structural typologies without masonry infill.
Therefore, other generations of solar cells have emerged with the focus on thin film innovation.
The quick transformation or decomposition of PDS/PMS may be present in electrochemical activation of persulfates process.
Under low confining pressures, the stress-strain curve drops rapidly after reaching the peak strength, which indicates that Jinping marble illustrates remarkable brittle features.
Less research has been devoted so far to alternative electron-selective contact materials.
The yield load, Pyand the ultimate load, Puof the tested beams are listed in Table 1.
Furthermore, the main damage phenomena observed during the tests are reported and associated to 3 damage limit states distinguished for the required repair level for the tested partition walls.
Particularly, Chlorella sp. is able to accumulate carbohydrate content from 18% to 51%, which is a considerably high amount for microalgae strain.
In the other hand, liquid mass transfer coefficient is measured via Pachecho correlation (Pacheco, 1999) where the data is obtained at operating pressure of 7bar over the temperature range from 25 to 120°C.
The non-linearity in the initial deformation stage of the stress-strain curve generally increases as the specimen size gradually increases.
The authors have recently been involved in the earthquake-resilient conceptual design of a RC university building.
Similarly, the emergency governance structure should be adaptive and automatically adjusted with the changes in the external environment.
Benjamin Laustsen and Emrah Sahin are acknowledged for their contribution to the development finite-element tools used in the present work.
The size of the model groove is 450mm×300mm×400mm, with wall thickness of 10mm.
On the contrary, there is a quite wide overlapping; as a matter of fact, some of them may be sometimes regarded as specializations of a general method (discretization with rigid infinitely resistant elements or macro-blocks) interacting with interfaces that exhibit different mechanical properties (e.g. in NTM modelling contact interfaces between blocks are assumed, RBSM mildly couples shear and axial damaging springs, LA is usually coupled with triangular rigid elements and modified Mohr-Coulomb interfaces, and so on).
In Section 3 the results of the experimental investigation will be presented.
On loess ridge, the loess caves with beads-shaped structure are distributed along the gulch or small branch gully, and in flat zone, the caves become the sink holes or loess wells; and these kind of beads-shaped caves are often intersected by the extended direction of the ridge beam.
To control the maximum tension strain demands on the mild steel bars and prevent their premature low-cycle fatigue fracture, these bars are debonded over a short length (stretch length) in or adjacent to the connection region.
The RVSA keeps time point of main pulses, general envelope and frequency content of original ground motion unchanged, and separate out the stationary and nonstationary content of ground motion.
The optimization framework proposed in this study provides a clear route for optimizing the passive design of residential buildings with the aim of maximizing the annual indoor thermal comfort while minimizing the annual building energy demand; the outcomes of this study would inspire or help the architects to develop their architectural design concepts.
It reached the maximum of 0.423Nm3/kg at the O/C ratio of 0.78.
In addition, RF was also used in the domain of occupancy detection, automated measurement and verification, and anomaly detection of building energy consumption.
Theoretically, 57.5MJ heat can be produced with the formation of per kmol FeAl2O4 in the reduction step according to Reaction (1); and when the FeAl2O4 is oxidized by air, the same amount of exothermic heat can be inhibited compared to FeO.
Particularly, the sharp increase between 55°C and 75°C is attributed to the melting of the composite PCMs.
The increasing availability of remote sensing data provides valuable insight into current environmental properties and ecological processes, however attention is needed to develop models and tools that allow the use of remote sensing data to simulate ecological functions and the creation of ES.
The calculated errors of gravelly-coarse sand are greater than that of mucky clay usually.
Therefore, perimeter charge factor along with maximum charge per delay, advancement and confinement factors has been included in the proposed empirical correlation.
No. 51278425; No. 51678499) and Program for New Century Excellent Talents in University – China (NCET-11-0713).
This is still the case, even if a scaling coefficient is added to amplify the influence of creep, as shown in Fig. 3(b) for the JTG model.
The 'activity diary ' method described in current comfort standards is for engineering purpose of building design and air conditioning operation.
It is worth noting that the heat exhaust efficiency increases significantly with exhaust velocity of 4m/s and increasing HRRs from 8 to 20MW, which is because the corresponding Fr decreases from 2.72 to 1.48.
Fig. 2(a) presents the entire data set in which the Christmas holidays are identifiable by drops in the average traffic, and Fig. 2(b) presents only 3 days in which the daily variation can be observed.
This study investigates the influence of carbonation on the microstructure of cement paste cast with Ordinary Portland Cement (OPC), fly ash based Portland Pozzolana Cement (PPC) and Limestone Calcined Clay Cement (LC3) using X-ray diffraction (XRD), thermal analysis (TGA), scanning electron microscope (SEM) and mercury intrusion porosimeter (MIP).
The increase in GNP-M content from 0 to 0.30% resulted in an increase of tensile strength by 45% and energy absorption capacity by 150%.
The validity of LCL has been questioned in previous studies.
This paper primarily dealt with the global overturning stability of the barrier.
Fig. 7a and b shows the 1 standard deviation (SD) bounds for the predicted settlement on the 974-th day at the ground surface and a depth of 14.2 m, respectively.
Using this approach, however, simulation speedups are quite modest, as the number of cores available on a CPU is limited.
Before the test, the model box (Fig. 3) is placed in the pre-set place.
Further oxidation of products m/z 137 and m/z 281 resulted in the formation of quinone products m/z 135 and m/z 279.
Open systems include natural ponds, circular ponds and raceway ponds.
However, underlying the effective destruction of MP molecular structures, these chemical oxidants may also produce more harmful or persistent by-products than the parent compounds (Carlson et al., 2015), which warrants further investigation.
Higher liquid supply might facilitate the dissolution process.
In the second phase, the effect of marginal distribution was examined by the results from three marginal distributions, viz.
First, large number of healthy training data under different environmental and operational conditions must be required to create the cointegration residual; however, it is usually difficult to obtain such large data particularly at an early monitoring stage.
The intercept, however, shows an initial reduction followed by an increase after 0.2% plastic strain.
Reduction in risk magnitudes overall (Fig. 13a-h) with the incorporation of adaptive measures such as LID, dredging and the tidal wall, can be attributed to an increase in flood resilience.
In blasting operation, explosive energy appears in three forms, maximum charge per delay (W), specific charge (q) and perimeter charge factor (qp).
This range of shape factors covers the most typical cases of steel-reinforced rubber bearings used in bridge engineering applications.
The achievement indicators define the space identified in Fig.3 and are tabulated based on how they are associated with each axis.
An NBS (no binary search) contact detection algorithm is implemented (Munjiza and Andrews, 1998) in the FDEM code.
From the beginning of this century, the advantages of carbon-fiber-reinforced polymer CFRP, such as noncorrosion, high strength-to-weight ratio, and excellent fatigue resistance, have made CFRP become a major strengthening tool for aged steel structures (Zhao 2017).
The effect of the length of the fiber is more pronounced in the concrete with lesser strength (w/c ratio=0.45), as seen in Fig. 6(c).
The failure process under single cutter can be divided into 3 steps in both physical tests and numerical simulations.
Suns-Voc measurements were performed by Sinton Instruments (Boulder, CO, USA).
Comparison of CV (RMSE)s across different sets for Plug Loads EUI prediction, mean±standard deviation.
Each component in an ESMF composition is assigned a single VM comprised of one or more persistent execution threads (PET), where each PET is equivalent to a single MPI process.
In this region, inelastic displacement ratios spectra of soil-structure systems with BL, CL and SD hysteresis behaviors are strongly dependent on strength reduction factor (R) such that any increment in R amplifies the CR values of short period structures.
The 30-min mean QP is close to the lowest QT rate as the instantaneous QP values decrease after the decay period.
At the rear of Q1, the main scarp appears as a deep trench with clear indications of slip displacements (Fig.4b).
Recently, Feng and Feng77 presented a thorough review of vision‐based SHM methods covering system identification to damage detection while also implying its field applications and various errors associated with camera‐based techniques.
Ten of the potential-safe and potential-leak wells which were not involved in the training were used to test the trained neural network model.
Variable importance could be used to select the most important variables in an RF, which would help users in targeting the most influential factors and understanding the relationships between input and output variables.
According to the local materials and applications, blends higher of lower amounts of clinker may be of interest.
It appears from the above analysis that it would be significantly more difficult to guarantee the stability of the absolute velocity feedback control applied on the latter, subcritical family of vibration isolation problems.
Two decentralized control structures were implemented, considering as main degrees of freedom for operation (manipulable variables), the rich solvent mass flow rate (Fsolv) and the steam flow rate to the reboiler (Fsteam).
Since occupant behaviors in classroom buildings are relatively limited in scope (primarily reflecting office work and instructional activities) and the equipment fairly standardized, this building type provides fertile testing grounds for monitoring energy-consuming and discomfort-driven occupant behaviors in order to identify those that may be best predictors to incorporate in the energy modeling used here.
First six modes of vibration of the RC building with improved seismic performance (i.e., base-isolated and with TMD at the basement).
Brookfield viscosity results of asphalt and asphalt mortar.
The DEM diagram of Jiangliu loess fluidized landslide.
Notably, the foulant layer attached on the membrane surface was not destroyed.
Ideally, the clinker would be ground first with gypsum and then mixed with the calcined clay and limestone.
Thus, one elegant way to tackle this problem can be to design a gain scheduled controller.
The equations for the strengthened joint shear capacity (Vf) in the three guidelines are summarized in Table7.
In two different scenarios, while the bus was traveling from north to south or from south to north, the response was investigated, and the results are presented in Figs.
The cementitious matrix of the PBO-FRCM composite had a compressive strength of 43.9 MPa (standard deviation of 0.4 MPa) and a flexural strength of 3 MPa (standard deviation of 0.3 MPa) after 28 days as determined by the authors.
Regarding the calculation process of HAND, Rennó et al. (2008) demonstrated that CAT is the tunable parameter and assessed the impact of different contributing area thresholds on the HAND layer (i.e. the sensitivity of the HAND layer to varying contributing areas).
The suitable chemical admixture was then conformed by correlating dispersion and flexural strength of GO-cement composite.
It is typical for teachers to automatically assume responsibility for managing their classrooms ' physical environments [8].
Fig. 1 illustrates the model development procedure of RF.
The temperature values corresponding to the four training cases (Cases 1–4) were plotted in Figure11.
The number of curves to be extracted, Q, is set as 5 in this simulation, thus five curves are extracted shown in Fig. 5(c).
Seismic performances of the two designs (with the SMABs and the BRBs, respectively) were investigated through nonlinear static analyses and nonlinear response history analyses based on three suites of ground motion records representing different seismic hazard levels.
In the proposed architectures, the WPD is chosen to decompose the actual wind speed series into several sub-layers, while the EMD is adopted to further decompose the obtained LF (Low Frequency) sub-layers, the obtained HF (High Frequency) sub-layers and all the obtained sub-layers into a number of IMFs (Intrinsic Mode Functions), respectively.
It follows that 1,280 equivalent 2dof systems, with isolation ξb and superstructure ξs inherent damping ratios respectively equal to 0%16, 30, 57 and 2%, are properly characterized combining the 4 values of Id with the four values of Tb, the two values of γ, the 10 values of q, and with the 2 values of the postyield stiffness ratio in the case of both hardening and softening behavior (H and S: four possibilities).
The baseline policy fails to control flood events in the majority of climate scenarios, a deficiency which the adaptive policy is able to fix.
The point that is located at the center of the 2D model and 4 m below the surface is chosen to check the excess pore pressure after the embankment construction is completed.
If some particle or fiber was not identifiable with available analysis, other representative from the same group was analyzed instead.
In addition, a partially infilled frame configuration with a 1.44m wide and full-height opening in the middle of the span (TA4) was tested, reaching a maximum in-plane drift of 1.00%.
The authors would like to express their gratitude for financial support from the National Natural Science Foundation of China (51508070 and 51778106), the National Key Basic Research Program of China (2015CB060000), the Fundamental Research Funds for the Central Universities (DUT16LK10 and DUT16YQ101), the Opening Fund of State Key Laboratory of Structural Analysis for Industrial Equipment (GZ1601), the Foundation of Key Laboratory of Structures Dynamic Behavior and Control (Ministry of Education) in Harbin Institute of Technology, and the project DEC-2014/15/B/ST8/04363 of the National Science Centre, Poland.
Therefore, a focus on specific resilience to managed social systems makes rational sense because that is a domain of operation that the federal government has dominion over.
However, for the stronger frame design, three ground motions had failure due solely to the isolation bearing uplift without excessive superstructure yielding.
The proposed method also accounts for the delay of the hydraulic response at different depths.
It is worth mentioning that all the CNTs dispersion profiles here considered (FG or UD) will have the same value of mass fraction.
Most of them show a particular seasonal forecast along with the past forecast system quality for such events.
Elementary lattices of cubic symmetry: (a) Simple Cubic (SC) (b) Body-Centered Cubic (BCC) and (c) Face-Centered Cubic (FCC).
But the strain distribution of the pipeline at the edge of the pit is opposite.
A plan-based approach to emergency response heavily relies on preincident preparedness, which sometimes leads to inflexible responses in the face of unexpected events.
Experimentally, measuring the onset time as the time at which fingers become visible implies some subjectivity but provides a quick measure of the order of magnitude of this time.
Guided by the literature review and framework shown in Fig.1, the authors focus on a specific case—the FTA Public Transportation Emergency Relief Program following Superstorm Sandy in 2012 and 2013.
This increase in fill-factor may be the result of moving the back surface of the device away from the depletion region, resulting in a longer carrier lifetime (Fig. 2(a)) and reduced recombination.
The depositional, stratigraphic, structural and mineralogical characteristics are considered first.
These input and output data are used for the training and validation of the proposed framework.
The increase rate is higher than for case 3 but the results are still acceptable.
The decided benchmarking techniques are not exclusive to the energy consumption sets of data.
Because a smaller IDOF number creates higher efficiency of the SMW formula, the small number of IDOFs in Fig. 14 illustrates the high efficiency of the proposed algorithm.
With regard to the identified structural parameters, an equivalent elastic modulus of the masonry of about 825MPa is obtained.
The DSM theory developed in this paper can easily account for such problems with any step location, thickness variation and boundary conditions.
Additional testing and more advanced modeling methodologies are required in order to generalize the results and propose design guidelines.
Upon the validation of the posttensioned concept, tests were conducted on larger-scale specimens, including two-thirds-scale LVL frame and wall assemblies (Newcombe et al. 2008), full-scale LVL beam-column connections (Iqbal et al. 2016), and a two-thirds-scale three-story glulam building for shaking table tests (Smith et al. 2014).
To analyze the reliabilities of the blocks in the tunnel, the structural planes are investigated and the statistical results are shown in Fig. 4.
Based on the results, increasing inlet air temperature decline comfort level.
The thermal energy storage properties of the samples were measured by DSC (TA, Q2000) coupled with a refrigerating cooling system 90 (RCS 90, TA) under a constant flow of dry nitrogen with the flow rate of 50 mL/min.
As a result, the load of the overhanging roof and the overburden strata supported by the coal pillar is transferred to the gob area, and partial load of the coal pillar is released.
With the impact factors like gender, age, nature of the job and environmental conditions, it is reasonable to see some metabolic rate variation in real buildings.
Meanwhile, the multiple vertical cracks tend to be saturated (red points after point B in Fig. 4).
As stated above, denser materials will have greater particle interlocking, leading to lower contractive potential and pore pressure.
For the PONKCS method, the protocol described in [16] was used.
As mentioned previously, the hydraulic loading governs the onset and development of internal erosion.
The reason is the early construction of the invert and the ongoing deformation process of the rock mass.
Therefore, it is of importance to study the effects of joints on wave propagation in rock masses.1, 2, 3, 4, 5,
Compared with other components, the thermal performance of glazed units are poorer, so they have a bigger effect on the energy demand of buildings.
The intrinsic parameters do not depend on the scene viewed.
A newly proposed approach for cracks detection in steel beams by sine-sweep vibration measurements was presented by Dougdag et al. [30].
The MP particles were classified according to their types into categories "fiber", "shaft", "film", "flake" and "sphere" (Free et al., 2014; Su et al., 2016), and colors into categories "white", "red", "green", "black", "orange", "blue" and others.
Therefore, a substantial increase in demand will be put on the already heavily used railroad system.
For very low cooling demands, the phase change temperature should be close to the required temperature level.
Therefore, the temperature changes in a higher relative humidity (90%) would not change DC values substantially.
This phase consists in translating, by means of the Python FloPy library (FloPy, 2016; Bakker et al., 2016, 2017), all the MLs and MDOs implemented and stored within the SpatiaLite database in model files (i.e., text files).
Generally, to characterize the dynamic properties of such metamaterial plates, several effective methods have been adopted, such as TFM [30] (transfer matrix method), PWE [31], FDTD [32] (finite domain time difference), SEM [33] (spectral element method).
Various structural features of nacre, such as mineral bridges, nanoasperities, and waviness of the platelets, also play critical roles in enhancing the overall strengthening and toughening mechanisms (Yaraghi and Kisailus 2018).
Fig. 4a shows the EG results from the production stage (A1-A3) sorted by building use and 4b shows the EG results sorted by five of the applied databases.
At Point D, 750 mm from the midspan, the hoop strain of the FRP tube was nearly zero during the blast loading, which suggests that no confinement was provided.
It is deemed that dynamic disturbances are considered to have a very obvious triggering effect on rockburst, and the dynamic spalling of the surrounding rock could be one mechanism of rockburst.
The inclined angles are90° and 100°, respectively.
Larger thermal efficiency was obtained for nanofluids (Al2O3 50.34%; TiO2 46.10%; and CuO 43.81%) compared to pure fluid (37.78%).
The bands were validated with data from Bhinderwala (1995) and tornado damage data from Hart (1976).
For example, BID6 has the best possible outcome of all scenarios, costing $2.37B (all costs are in $2011) for transport and storage infrastructure.
These experiments were performed in sleeping chamber; they investigated the effects of air temperature or air temperature transients on sleep quality in healthy human subjects [6,7,[31], [32], [33]].
Thus, we can conclude that the detected fault is related to a faulty module in the string (short-circuited PV module).
Moreover, the results of this approach would be more accurate if the data of train configuration are available over different time periods.
Guaranteeing privacy of personal data circulating in the Internet, from sources ranging from smart sensors to communication networks, data centers, or the cloud is another critical issue that requires attention and limits the scope of applying Data Science to all available environmental data.
For example, for the water infrastructure sector, system condition was used as one of the parent nodes.
It is noted that for the investigated low-density range the strength is considerably affected by the foaming agent nature (synthetic versus protein), which is slightly different from the results reported in the relevant literature corresponding to foam concrete specimens having medium-to-high densities [27].
The moving window length is set as 10.
The deployment of online SHM systems on infrastructures allows structural operators and asset managers to rate the structural performance in real time and conduct maintenance and rehabilitation in a timely manner according to the monitored structural condition.
It outlines the following elements: (i) apparatus to be used; (ii) calibration and installation procedures; (iii) data processing techniques; (iv) correction of systematic errors; and (v) reporting format.
The fatigue damage distributions in the vicinity (in purple color) of the weld joint at three loading cycles are plotted.
Moreover, they are less labor intensive and highly cost‐effective.
A large number of red mud is difficult to get full and effective use.
Submitted by T. Sinnige (T.Sinnige@tudelft.nl), D. Ragni, G. Eitelberg and L. L. M. Veldhuis, Delft University of Technology, The Netherlands.
In this system, the risk level is divided into four levels as high, middle-high, middle-low and low risk.
Thus, the following batch tests using real sludge or synthetic wastewaters were operated to assess the effect of cPAM on the processes of solubilization, hydrolysis, acidogenesis, and methanogenesis.
The total length of SMA cable restrainers is the smallest, and they are more efficient in limiting the relative displacement compared with elastic restrain devices.
Recently, MBBR has been increasingly applied in WWTPs in China, especially following A/A/O to enhance nitrification.
We executed the coupled model on up to 10 HPC nodes/MPI processes to evaluate the benefits of devoting more computing resources.
The other cations were determined by inductively coupled plasma-optical emission spectroscopy.
However, the relative increase in compressive strength of concrete containing CRT glass is obviously larger than that of the control concrete under sulfate attack.
The model of removing the temporary lining is equivalent to applying forces N1 and N2 on the bedded-beam model without the temporary lining and the ground pressure, as illustrated in Fig.5c.
And based on the frequency of opening windows, they classified survey objects into three categories: habitual closers, adjusters and leave openers.
The effect of thermal damage on the strength and Young 's modulus of different rock types has been extensively studied (Du et al., 2004, Fang et al., 2005, Qin et al., 2009, Zhang et al., 2009, Keshavarz et al., 2010, Chen et al., 2012, Brotóns et al., 2013, Franzoni et al., 2013, Liu and Xu, 2014, Peng et al., 2016).
Total operational cost for 2030 including potable water treatment can be found in Table 5.
Here, gravitational effects were ignored and we applied a pressure drop of 0.1 Pa/m between the flow inlet and outlet.
A schematic of the uncontrolled model is shown in Fig. 1.
From stage 2 to 4, ground surface settlements exhibit concave curves corresponding to deep inward wall movement patterns as explained in Ou et al. [15].
At higher pressure less measured values are situated away from main body of 25-75% range.
With the above in mind, Franchin and Pinto15-17 set out to propose an explicitly probabilistic yet affordable (meaning, in the context of modern computer‐aided engineering, that its application involves, once implemented within a computer code, a low computational effort), gradient‐based method for the PBSD of framed RC structures.
The scaling factor of soil density was fixed as 1.0 to make the prototype soil applicable in shaking table test, which subsequently resulted in a low effective stress in model test.
Since in the fully coupled 3D model the fluid flow in the rock matrix is described by the real porous seepage, some problems that exist in the equivalent approach are avoided.
The threshold values of three relative displacement angles are 1=6.8×104, 2=12×104, and 3=6.0×104respectively.
This underestimates the anti-overturning ability of a bridge, based on the criterion that no support disengagement occurs under overloading conditions.
All computations were done using the statistical software R (ver.
Results are shown in Figure 20.
However, despite this connection, the bridge still behaves as if it is consisted of a series of simply-supported beams under the vertical loads, provided that the slab is sufficiently flexible to accommodate the rotations of the adjacent deck segments.
The adaptive thermal comfort theory was the basis for the Dutch regulatory document ISSO 74.
Asphalt binder was first heated up to 185°C till it became liquid.
Otherwise, depending on the strain, the same species can either accumulate lipids or carbohydrates.
First, a model that couples storm surge exposure, fragility modeling, and social vulnerability of communities is used to quantify the effectiveness and economic viability of engineering-based measures to reduce spill risks, such as filling ASTs with liquid, anchoring them to the ground, changing their stiffness, or protecting them with dikes.
The response predictions were obtained using proposed equation.
In order to block the outward migration of dust, a multi-radial swirling flow generator (hereinafter referred to as "generator") capable of blowing air toward multiple radial directions (as shown in Fig. 1) is developed by Shandong University of Science and Technology.
However, these models are computationally very expensive, and therefore, the major challenge in the future will be implementing these models in the analysis of whole-bridge structures under various loading scenarios (traffic, trains, earthquakes).
Then, bound water has a minor effect on the hydraulic conductivity of most near-surface sediments.
A linear variable differential transformer in parallel is employed to sense the displacement response of the piston.
The values were computed using the current model and compared with previous models.
Thus, despite the slightly higher initial sulfate content for PC than LC3-50 blends, the ettringite content is slightly higher for LC3-50 blends than for PC at late ages.
However, the total MP concentration in the excess sludge was significantly correlated with the SRT (r = 0.750, p<0.05).
Compared to laser vibrometers, digital cameras are low-cost and capable to make simultaneous full-field measurements.
Reduced soil modulus for the 69% & 69% case initially leads to higher relative pipe stiffness, and so lower curvatures.
He stresses that the continuity of lifelines is important for the mitigation of disaster impacts, not least because interdependencies among different lifeline systems make it difficult to determine the consequences of outage.
Typically, the as-prepared GO with the desired addition weight ratios (5% and 10%) was dispersed in a 25mL ethanol solution by ultrasonication, and then 0.3g BVO was added into the solution.
Furthermore, the diamond-shaped openings in these plates are known to increase the deformation capacity of the plate, which in turn is expected to increase the deformation capacity, ductility and energy absorption capacity of the strengthened wall to a greater extent.
In Sections 3, the motivations of this study are given and the novel ICF-guided VMD method for feature extraction of weak local damages is proposed.
Within the parallel framework of solid mechanics, the homogenization techniques are adopted to describe the average flux of mechanical elastic energy flowing in periodic micro-architectured materials.
This paper presents the results of an experimental study on the behavior of shear-critical RC beams strengthened with carbon FRCM (CFRCM) composite systems.
FKS is used because it measures the agreement of land-use transitions, and hence includes an implicit baseline.
We validate the constructed model with fault-free data from the GCPV system described by Fig. 3, from two days of different conditions: cloudy sky (May 11, 2017) and clear sky (May 06, 2017) days ' conditions (see Fig. 8, Fig. 9, respectively).
Wind speed has at least three times the influence on the likelihood of being in a given damage state than any individual building attribute considered in this study.
Organic carbon concentrations are within a range typically expected for drinking water.
Table 1 also shows that the addition of FA significantly inhibited the sulfate-reducing process as well since FA decreased both the hydrogen consumption and sulfate degradation (H2-SO42- Test).
However, for ventilation impact, trunk height has a stronger effect than foliage density and tree height.
The loading effect also could be partially explained by dilution; as As is adsorbed, the concentration of As in the solution decreases, hence there is less adsorption of As per gram of ZVI, however dilution cannot explain all of the loading effect in our study.
If the lattice possesses only rotational symmetries, without any reflection axis, the probability that extrema are not located on the contour or that the band-gaps are not full is high.
Our recently developed MCMC algorithm26-29 is applied in this paper to draw samples according to the posterior PDF.
It leaves the tendons separated with the concrete, and the possible yielding of tendons during strong earthquakes can thus be delayed.
A stiffened DCM (SDCM) pile is a composite DCM pile consisting of a DCM socket and stiffened core to reinforce the pile at shallow depths (or pile head) as shown in Fig. 1b.
The substrate was heated with different temperature (25-300°C) and rotated to ensure uniform coating throughout the deposition.
Through the calculation model implemented in EnergyPlus they obtained the conductive heat flux through the inner surface and considering an equivalent external temperature they calculated the equivalent dynamic thermal transmittance.
DLA is a practical concept where the expected response is looked upon as structural characteristic rather than a numerical result.
Therefore, increasing the surface area of packing is considered as the most suitable option, and the Mellapak 350Y packing was chosen for the scaled-up model because of the better capture efficiency (Chemtech Sulzer Chemtech, 2010).
Other than the DAEM, there are two conventional construction methods that consider the time-space effect and are also available for deep excavation above metro tunnels.
The sample at this void ratio can not only suffer from collapse failure as shown in Fig. 7, but also ensure the presence of great brittleness index.
This is a reasonable number of records for performing the MSA (see Jalayer et al14).
In this study, a methodology based on a discrete numerical model is introduced to investigate the initiation and development of suffusion as well as to analyze its effects on the soil mechanical properties.
Additionally, this model omits the mass dependency for the whole velocity range.
Most importantly, it does not start from cumulated energy profiles, but from the simulation of specific events.
By taking a pessimistic mindset, it could be argued that building owners and researchers in this area could select less self-sufficient or sustainable methods to achieve some form of a NZEB.
This showed the concept is feasible, and significant ductility can be achieved.
P-values comparing the assessments for the strategies.
In this paper, we frame the design of management policies over multiple timescales as a simulation-optimization problem in which the policy is represented as a binary tree.
For this, a 6 mm thick slice (diameter: 23 mm) was cut off each cured cement paste sample.
UHI negatively influences outdoor comfort conditions as well as induces a more use of air conditioning systems with a raise of peak electricity demand.
One argument is that by focusing on known risks and probabilities, policymakers can mainstream practices that will over time develop an institutional adaptive capacity for long-term adaptation that will respond by advancing periodic moments of resiliency.
When the hidden caves are under the highway road beds or terrace fields, then beads-shaped sink holes may be formed.
CNF hold promise to achieve similar increases in stiffness at lower costs.
For instance, the Monarch Butterfly Conservation Fund in Mexico offered annual conservation payments of $12 ha1 of forest (Honey-Rosés et al., 2009), while the average carbon offset price in the voluntary carbon market was $3.30 Mg CO21 in recent reports, with a range between minimum and maximum prices of $21.60 CO21 (Hamrick and Goldstein, 2016).
The objective of this experimental laboratory investigation is to determine the efficacy of MICP-treatment to improve the cyclic resistance of calcareous sand.
As shown in Figure8, 15 of the new patterns (from 21) had a low number of occurrences and were disregarded, leaving only three new patterns (4, 5, and 6) for further comparison with new inputs.
Lock-release experiment under wind velocityU=5.54m/s: (a) Response of the bridge deck model; (b) response of SS-PTMD.
The corresponding setup numbers 1, 2, and 3 mean that this sensor occupied the same position in the first, second, and third setups.
This will be a subject of the future work.
For Stress Index 3, a significant portion (>40%) of the stresses were less than 0, which means these particles would not break in a crushing model if Stress Index 3 was used in the crushing criterion because the particle strength is always larger than zero.
Here, we extend the analytical solution to an N-layer system, as shown in Fig. 7a.
With the proposed model, the effect of the equivalent shear stiffness, the location of load application, and the rotational stiffness of the joint between tunnel and station on the longitudinal behavior of the tunnel structure are discussed.
The intergranular microaggregates bonding the quartz, feldspar and other particles result in cementation bods in the Malan Loess, which constitutes the main part of the cohesion (Dijkstra et al., 2000, Jiang et al., 2014, Jiang et al., 2017, Zhang and Qu, 2004, Zhang and Qu, 2005).
Such limitations are necessarily left to be addressed in future research.
Some factors such as gas flow rates, NPs type, NF temperature, NP concentration, as well as the effect of particle size on the separation were investigated.
For the fabrication of the cubes, the concrete was placed in four layers of approximately equal thickness, and each layer was tapped 25 times with a 16-mm-diameter rod.
Long-term filtration efficiencies and pressure drops of cEAA coarse filter installed with Filter #8.
The oxidation process was carried out by adding 20mL of aqueous 0.05M Fe(II) solution and 20mL of 30% hydrogen peroxide (H2O2) to the dried samples.
Scheme of the Pandal(r) system (courtesy of DLC Consulting).
Compilation of the data from literature reporting the corrosion rate icorr and the electrical resistance or the resistivity of the material RΩ in the log(icorr) vs log(RΩ) plot.
The tensile response of the mortared joint considered for the numerical models proposed in what follows, instead, does not make use of the softening branch.
In the present study, a simple equation, proposed by the authors in their earlier work (Siddiqui et al. 2014) for predicting the slenderness limit of FRP-strengthened RC circular columns, is experimentally verified for square columns.
Previous studies [11] found that with only 0.5% of nanoclay addition over cement, the static yield stress increases three times.
Any opinions, findings, and conclusions are those of the authors and do not necessarily reflect the views or policies of the NSF.
The tunnel excavation and initial lining had been done on April 10, 2017.
In both case studies, the landslide body has a high length-thickness ratio in conformity with the infinite slope assumption.
This study draws metaphors, themes, and concepts from existing literature on emergency governance structure.
Modular compact adsorption bed is consist of 19 small fin-tube units defined as standard components.
Therefore, the initial temperature distribution of the steel box-girder in Fig. 6 is valid.
In the FTA 's fourth and final round in 2016, it allocated $835million to recovery projects.
Finally, "C" describes the FRCM strengthening schemes (I and II) as will be detailed in the following sections.
In order to tackle this problem, Lv et al. [15] modified the S-N fatigue equation based on the actual stress ratio and the direct tensile fatigue test, which connect the stress states to fatigue equation.
Two glass fibre reinforced polymer (GFRP) skins with 5 mm thickness of each are placed horizontally at the top and bottom of the vertical sandwich panels to increase the bending stiffness of the section.
This is because the water/ash ratio affects the volume of pores and the porosity in the matrix which directly influence the strength of the geopolymer concrete [20].
The convergence process of HOA is presented in Figure14, and it has converged when b=30.
In the initial stage, the fins increase the area of heat conduction, so a larger number of fins results in a larger wall heat flux.
As the three-dimensional fractures used in this study comprise a series of two-dimensional profiles, we extracted two-dimensional fracture profiles at Y = 0.05 m from all 45 fractures and reconstructed them using six different grid spacings from 0.1 to 1.0 mm.
Chen et al. (2010) reported that stirrups did not yield in tested beams strengthened with FRPs, raising a concern that it might not be safe to assume that the stirrups have yielded when calculating the shear strength of strengthened beams.
It is demonstrated, by comparing the results to IDA and other state of the art non‐linear dynamic procedures based on no scaling or spectral‐shape‐compatible scaling, that the Cloud to IDA procedure leads to reliable results in terms of structural fragility and risk for the prescribed limit state.
Each technique encompasses a variety of input information as well as varying calculations or simulation models along with furnishing contrasting outcomes that suggest a variety of usages.
NFs temperature is controlled by adjusting the cooling water flow rate.
However, a numerical solution is easily determined with the aid of commercial software.
Relation of long-term structural buildup to hydration.
Because of the failure of this region and the vertical displacement of the roof cantilever, the test was ended a few cycles later after reaching θR=3.5%.
It also allows us to identify the interventions that may be made to enhance infrastructure resilience.
These wave packets with frequency components distributed out of the initial frequency band possess most of the wave energy.
Of course, any changes in production that could affect allocation of environmental impacts would then need to be included in calculation of emissions generated.
The virial stresses were calculated for every atom.
Soil damping properties cx and c are selected such that the corresponding damping ratio is ζx=ζ=0.6%.
As the web speed increases, material costs are likely to be the limiting factor in cost savings.
Corrosion rate data of many different binders, w/b ratios at different exposure conditions have to be obtained in a short time.
The authors would like to express their gratitude to Simpson Strong-Tie and Ruredil for donating the FRCM used in this study.
As shown in Table 2, the number of the surface grids with the scheme using 1- and 8-m resolutions is 13,998,516 and 284,768, respectively, which means 35% and 45% reduction compared to that of uniformly-sized grids.
In any case, it can be observed that lighting indexes are higher when compared to the acoustic and the thermal ones (the minimum value is 4.15, on the contrary for the acoustic IBN, which has a value of about 2-3).
Considering a given sample of training setwhere M stands for the total number of sample data, and are the input vector and the output vector, respectively.
In the case of the HSC-S column, pore pressure develops in a similar pattern as that of the plain HSC column.
Pipeline extends along x-axis direction is horizontal, the y-axis direction for the axial direction, the z-axis direction for the vertical.
The properties of purchased PP-HFMC were reported in Table 2.
In particular, 2 cases are shown: (1) a frame with an infill indoor partition wall and (2) an indoor partition wall connected at its ends with transversal outdoor faade walls.
In this study, the random variable is the earthquake ground motion, and the randomness is mainly embodied in the peak ground acceleration (PGA) and the frequency spectrum distribution.
Fig. 3 shows viscosity evolution of cement paste described by parameters η0=0.33, c=0.51, and θ=322.58.
The method for calculating particle mass we present in this paper allows for estimating the MP mass in the sample rather than determining its absolute value.
Capsules with o/w 0.5 and 1.0 showed scattered mechanical strength.
The highest elevations and steepest terrain are in the south.
The accuracy of the trained neural network for well leakage prediction was also verified by the field operation in the Cranfield Field, Mississippi, USA.
The impact of nozzle direction changes on the layer density, causing underfill problems.
This meta-analysis offers several guidelines for future research on the price response of water demand.
A detailed discussion on poor light conditions during a UAV flight and the resulted artefacts on the acquired images is presented in Whitehead and Hugenholtz (2014).
During the creation of Stage-1 fractures, only the overlapping parts of the fractures experience turning; however, the other end propagates in almost planar manner as shown in Stage-1 parts of Fig. 15b.
Surprisingly, the TOC decay for the above treatments showed that mineralization was upgraded in the sequence EF<EO-H2O2<PEF, as depicted in Fig. 2b.
Moreover, a mean COV of 66% and 25%, respectively, of the predicted peak roof displacement and peak roof acceleration, were observed.
Indeed, the graph reported in Fig. 8 exhibits a higher data variability (standard deviations) provided by FEM rather than LEM analyses for heterogeneous materials.
Secondly, the CGE in the proposed integrated framework has the capacity to handle changes in the labor supply due to fatality, injuries, or outmigration, which is worth exploring.
Scenedesmus obliquus CNW-N, when cultivated under nitrogen stress for 5 days, accumulated a total lipid content of 22.4%, rich in C16/C18 fatty acids suitable for the conversion to biodiesel [37].
The fiber-reinforced walls exhibited a stable hysteretic response with drift capacities comparable to RC specimens, despite the elimination of confinement reinforcement in the boundary regions of the walls.
Nyquist plots of CdSe sensitized conventional TiO2 NFs and porous TiO2 NFs based QDSSCs.
In this work, based on the characteristics of crustal stress and waterjet impact, we established an experimental system to investigate waterjet impact capacity and coal relaxation behavior.
Fig. 3 plots the modes of longitudinal deformation of a shield tunnel.
The transparent baffle is used to separate the image capturing device from the residual water cylinder.
Several critical issues are at stake.
In this study, we examined expectations of E(y|xi) and E(y|xi, xj) (Fig. 4).
In the compressor, the increase in the CO2-enriched air inlet temperature counteracts the previous effect and the reduction of the compressor outlet temperature is attenuated.
Rock salt covered by the insolubles will not be dissolved.
EAUX, t is the heat production from auxiliary heating, Ebuffer, t is the remaining energy inside the storage tank, Efree, t is the remaining storage capacity in the storage tank.
The smaller the lateral stress, the more severe is the rockburst damage.
The thermal stability of the samples was characterized by means of thermogravimetry (TG)/differential thermal analysis (DTA) on a thermogravimetric analyzer (NETZSCH STA 409 PG/PC) from room temperature to 500 °C with the heating rate of 10 °C/min using N2 as carrier gas.
This demonstrates that in an energy system which includes both PV panels and wind turbines they partly compensate each other and, thereby, even out great variations in the overall energy production.
The three simulated scenarios described in Section 3.1 focused mainly on renovation.
In many cases individual divisions within an agency or department were free to interpret the top-down directives independently.
This last finding could be due to the forcing assumption of UCSmatrix equal to 100 kPa (far different from the effective UCSmatrix equal to 33 kPa), in order to evaluate the parameter "A" of the Kalender et al. approach.
In this study, aeolian sand is widespread on the surface in a local area, and it is selected as the main backfill material.
The % As removed after 48h for the 0.05g and 0.2g loading treatments was 59.4% and 69.1% for ZVI-RO and 24.6% and 57.8% for the ZVI-SG, respectively.
Simulated groundwater were prepared with 230 mg L1 Na+, 32 mg L1 Ca2+, 234 mg L1 Cl, 183 mg L1, HCO3, 96 mg L1 SO42, and 2 mg L1 HA (Leeden, 1990).
Algorithm 1: Pseudo-code description (similar to the ones from the caret package) for the FFS algorithm.
As a result, the resolution 25cm×25cm×25cm was found to be the best compromise between result accuracy and computational effort.
Measurement conditions for the three experimental campaigns.
In these methods, the interactions among soil, foundation, and structure and their subsequent influence on key mechanisms of displacement are ignored.
For geometrical non-linearity, the enhancement of the membrane part of the strain field can improves significantly in-plane dominated cases but it remains small for FG-CNTRC which represent a high flexural rigidity.
For FAC, the condition is more complicated.
In this condition, the crack is prone to propagating along the interface rather than being Mode-I dominated.
The crystal structure of prepared CdSe QDs and porous TiO2 NFs were confirmed by using X-ray diffraction analysis (Rigaku Ultima IV) with a Cu-Kα source over the scan range of 20-80° with an increment of 0.02°.
Because the ground was densified significantly after the first two motions, the spectral ratios on the mitigated and unmitigated structures were more similar during the Northridge motion.
The association rule mining and predicate logic has been applied on the earthquake data of all four quadrants.
In the case of sucrose, it is proposed that sucrose migrates through solution from cement surfaces to the surface of portlandite [61].
Amorphous phase content in solid precursor before reaction (wt%).
However, reported performances such as "low-operational energy building" or "zero-emission building" as seen in the case studies, may still be perceived differently on an international scale due to differences in definitions and due to the different climatic conditions under which the buildings operate.
When j<m, it can be shown that the internal forces of vertical joint fasteners with j=[j:m1] are higher than the forces for j=[1:j1] in any case.
Furthermore, the SEM/EDX images show that the sand particles remain intact in the FA30, FA50, MK50 and MK70 mortars, which explains the lower measured expansions.
Most parts of the mine surface area are covered by aeolian sand of Quaternary Holocene (Q4eol).
In summary, the general variable stiffness tailoring approach with the two-level optimization framework and the blended VAT scheme enable the distinct design of "Buckle-Free" panels to be achieved.
In the experimental test, three types of PE fibers and seven fiber volume fractions ranging from 1.25% to 3.0% leaded to 15 cases of VfLf/df.
The EIS testing was used to identify corrosion mechanism of welds and corrosion resistance affected by coating systems, while the potentiodynamic polarization testing was used to examine both coating performance and the PWC effects in welds.
The theoretical results were then examined experimentally.
The location of measurement points is schematically indicated in Fig. 5(a).
It is worth mentioning that if strain compatible soil properties were considered for each ground seismic motion (e.g. at the time step of maximum racking distortion of the soil free-field), then the computed racking ratios, as well as the flexibility ratios, would have been affected by the ground motion characteristics, since these affect the soil equivalent properties [55].
The fresh Fe50Cu10 sample was the original preparation OC which had visible sintering pattern in some parts on account of the high-temperature calcination process, as zone B of Fig. 15 shown.
A torque meter is used to test the torque on the pump shaft, a flowmeter is used to test the flow rate, a speed sensor is applied to measure the rotational speed and two pressure transmitters are used to measure the head of pump.
The displacements of Blocks 1, 16, and 23 in the source area are larger than those of Blocks 45, 60, and 79 in the talus area of T1.
Within this range, direct fire suppression action is only effective in halting a fire in the lower 4-5% portion (i.e. less than 4000-5000kWm1) of the spectrum (Cheney, 1991).
In the United States profitable house division, Heating, Ventilation and Air Conditioning (HVAC) practices comprise 40.0% of power usage [108].
The mass of the SS-PTMD installed on the deck model is 0.86kg and consequently the mass ratio of the SS-PTMD is μ=0.02.
Acoustical satisfaction was lower in no renovated classrooms, and one of the most important consequences of poor acoustics was a decrease in concentration.
Carbonated samples show weight loss due to decomposition of calcium carbonate at around 700-800°C.
Effect of COV[κ, λ, e0] on the settlement prediction based on posterior mean parameters using monitored settlements from 0 to 496 days.
Some of the curved cracks are controlled by the prevailing boundary conditions (e.g., the circle-shaped restraint from the vessel in this work).
Unfortunately, in the case of the boron-diffused p+ emitter, as-deposited SiNx turned out to be less favorable [23] and high J0 values up to 1000 fA/cm2 were measured for p+ emitters passivated with PECVD-SiNx[23].
However, one of the difficulties associated with this approach is that the resulting models are often quite complex and cause the stiffness change at the hysteretic corners to be abrupt.
Cement phase composition measured by XRD-Rietveld method.
Specific surface area and porosity of porous TiO2 NFs obtained by the solvosonication process at different time durations.
However, the full understanding of the geostatistical techniques will enable practitioners to select the most appropriate technique to use, for a particular context.
A comparison between the simulated results of this study and the predicted results from failure criteria was completed, and a good agreement was observed.
The simulated internal fracture behavior of the FBD specimen under cyclic tensile loading is shown in Fig. 17 in the view of the central cross-section of the DEM model.
We used the specifications from the prototype medium model for the internal heat gains from people, lighting, equipment, and schedules, including occupancy and HVAC operations.
Therefore, control of the σ-δ constitutive relation by tailoring material parameters is the key to successfully design of SHCCs, in terms of ultimate tensile strength and strain, as well as steady-state crack width in particular [30].
Therefore, the CR values of long period structures will be intensified by increasing the aspect ratio.
The younger age group (primary school) and classrooms without AC were coded as the reference in the analysis (i.e. OR = 1).
The mass ratio substitution of copper tailing to natural sand of samples that are denoted by R0, R10, R20, R30, R40, R50 are 0%, 10%, 20%, 30%, 40%, and 50%, respectively.
Therefore, precise condition monitoring and diagnosis are needed to discover incipient defects that occur on the bearings.
The comparison, performed after a field survey carried out in the city of Rome (Italy), was based on 3 statistical criteria and a qualitative one [39] [45].
Assuming small elastic strains, i.e., κe1, leads to(108)with the following consequences for the Green-Lagrange elastic tensor, the Mandel stress, and the resolved shear stressτ:(109)The Piola stress expressed in the intermediate configuration and the Boussinesq stress are then computed as(110)with and μ is the shear modulus in the case of isotropic elasticity.
In the Zurich plant, the RSF and GAC filters received waters from the preceding ozonation process.
When operating in DCM with a fixed duty cycle, the equivalent load resistance can be maintained nearly constant.
The urban environment (Area Input File) was created in ENVI-met based on the aforesaid interventions.
Each network was first trained with all the variables of interest.
The semi-implicit method for the pressure-linked equation (SIMPLE) algorithm is used for the pressure-velocity coupling [37].
However, this is not consistent with the practical situation that damage usually occurs in a few sections or members only especially at the early stage.
The final output of the procedure is the set of optimal parameters.
The main sources of such raw materials that are readily available to us are industrial waste products such as metallurgical slags, which are usually rich in calcium silicates; or else old concretes.
The Bayesian approach developed in this study is illustrated using the (c′,′) data of clays from the core wall of Xiaolangdi rockfill dam in China [12].
To select MS indices for rock burst forecasting using the fuzzy evaluation model, laboratory acoustic emission (AE) measurements of coal samples collected from the mine were performed.
These destabilization processes significantly increase the size of the incorporated bubbles, resulting in large pores in the final cellular microstructure.
Therefore, a combination of the effect of nanoparticle type, volume concentration, and solar irradiance on efficiency is observed in Fig. 10.
If 2L<Scr-da, the shear crack is far away from the embedment failure surface of steel bolt.
The sampling time of the dSpace hardware is Ts=1/20,000s; this means that the sampling frequency is fs=20,000Hz.
The simulation results of concrete model with and without CNF agree well with the test results.
Fig. 1 shows the hourly indoor operative temperature distribution during the days when the questionnaires were carried.
This is in accordance with a slope instability developing through the nucleation of a new rupture surface, where movement is dominantly caused by time-dependent mechanisms of crack propagation and degradation of rock joint cohesion (Petley et al., 2002; Kemeny, 2003), and therefore also with the hypothesized retrogression of the failure (Section 5.2).
Tobias and Foutch (1997) developed the reliability-based method for fatigue evaluation after measuring the loading environment of the railway bridges.
Both materials present sufficient mechanical contrast (Eblock/Ematrix>2 and tanφblock/tanφmatrix>2), according to what is reported in the literature.1, 9, 11, 13, 21, 22, 36, 37 They were assumed to follow the Mohr-Coulomb failure criterion and to have an elastic-perfectly plastic behavior.
Data-intensive machine learning techniques have been gaining attention due to their robustness for data classification.
During the simulation, the horizontal and vertical components of ground motions shown in Fig. 2 were applied, which were measured at the Kobe meteorological observatory closing to the Daikai Station.
The HRSG recovers heat from the flue gas and produces steam for the steam cycle, that comprises the high-pressure (HP), intermediate-pressure (IP) and low-pressure (LP) turbine characterised by design isentropic efficiencies of 85%, 91.1%, and 92.7%, respectively (NETL, 2012).
As for H&S issues, there are no generic issues that make them significantly different to OPC; but there may be specific BYF binders which contain specific minor components or elements not usually found in significant quantities in OPC.
Details on the building prototypes and their design, the numerical modeling, the selected ground motions for conducting nonlinear time history analysis, and the response of the building models can be found in Dehghani.25 The FF and SI displacement signals were repeated several times to evaluate seismic endurance of the developed BRB system in shock and aftershock earthquake sequences.
Under the same strain rate, the strength of fissured specimens decreases as α2 increases up to 60°, and then increases.
The rotational region is made up of 69% of spatial cells to simulate the airflow field induced by fan blades rotation appropriately.
These results are confirmed also in terms of mean lighting indexes, equal to 7.06 for classroom 2, to 7.03 for classroom 6, and to 5.96 for classroom 1.
The permeability of freezing sandstone and tuff can also be derived by substituting M into Eq. (30).
Nevertheless, the identification results still show a satisfactory degree of accuracy under the average RSC.
While they are unlikely to completely replace OPC, they may serve as an alternative and supplementary binder depending on the local availability of raw materials [8].
Generally, increasing the SiO2/Al2O3 molar ratio increases the compressive strength and elasticity up to a certain ratio [156].
Ammonia water absorption refrigeration system has advantage in producing cooling effect below 0 °C compared to LiBr-H2O absorption systems.
Recent earthquakes (e.g., Nepal, 2015; Italy, 2016; and Greece/Turkey, 2017) have demonstrated that poor initial design of BCJs is one of the main reasons for the seismic damage suffered by existing RC infrastructure.
The specimens cured in the controlled environments of 25, 46 and 65°C for temperature, and 30% and 90% for relative humidity.
Stochastic models which were used for simulation in this research are empirical-based Markov chain occupant models.
Peak wind speed estimates for each home, based on its location within the tornado path, are also included from a near-surface wind field model of the Joplin tornado (Lombardo etal. 2015).
Field picture of temperature change during B2.
A similar approach was adopted with the PET, SET* and PMV.
This could be attributed to two primary reasons: (1) the difference in bond characteristics between GFRP and steel bars, and (2) the different deformation levels experienced by the specimens.
The beams were labeled following the A-B-C format.
Matrix 'recovery ' falling outside this range indicates signal suppression/enhancement could be occurring and samples should quantitatively be interpreted with caution.
Project support is acknowledged from the Australian Research Council Linkage Project (LP160100215) that also includes funding from the following industry partners: Yarra Valley Water, City West Water, Southeast Water and Aquiba.
The magnetic field strengths were subsequently applied to the paste sample, for 10min each.
Moreover, this behaviour is also influenced by the temporal and spatial damage evolution patterns of the rock.
This section will extend the T-EMSD theory to a generic 3D condition and illustrate its application in obtaining the upper-bound tunnel face stability factor.
Detached flow test rig flexible panel configuration.
In this subsection, we assembled vertical and horizontal fractures together to investigate effects of an opening interface.
This particle finally will be inserted in the generated stochastic model instead of the defected particle.
On the contrary, relatively flat pitch blades need a very large motor to reach the same speed.
However, if we consider the relative percent current density decay instead of the absolute value, Pt/C shows a worse performance, with a loss of about 36% after 48 h.
If a localized fault occurs on gear, it usually presents an AF-FM phenomenon in vibration signal, where the meshing frequency is the carrier signal, and the rotational frequency is the modulated signal.
The curve slopes of the basal loess from 0 to 50 kPa are higher than that of the top loess, and it shows basal loess is more sensitive to water.
In order to avoid delays in the recovery procedures, the CERA was invested with exceptional powers to bypass the existing regulations and to acquiring land (Chang etal.
Consistent with those findings, estimated coefficients on FLOODZONE are positive and statistically significant in all models.
The soil mass is modeled by a total of 133,040 solid elements.
In the outlet opening side of the model, the heat transfer was mostly appeared in diffusion form since the air in the region is moving very slowly.
Both cases are within the same membership function region due to the low PS condition affecting the PV modules, this situation is labeled as case 10 and case 11 on both Fig. 13(A) and (B).
The grid-connected PVAC is connected with the grid and powered by both the PV system and the grid.
The exposure solutions were solutions of NaCl or CaCl2 with chloride concentrations ranging from 0.25 to 3mol/L, prepared with deionized water and laboratory-grade salts of NaCl or CaCl2·2H2O (supplied by Merck).
The capillary suction time was evaluated with a capillary suction time instrument (model 304B, Triton, UK) equipped with an 18 mm diameter funnel and Whatman No.17 chromatography-grade paper.
It should be noted that the peak amplitude of S0 due to shear excitation potential located at 1.5mm depth from the top surface is more significant than pressure potential (Fig. 12).
Generally, the racking ratios, R, are decreasing with the increase of the burial depth of the tunnel, h, as well as with the increase of the Poisson 's ratio, vs, of the soil.
We discuss why stress tensor variability can be sufficiently and appropriately characterised by its distinct tensor components in a multivariate manner, and demonstrate that the proposed statistical model gives consistent results under coordinate system transformation.
Therefore, the fracturing efficiency of the cyclic LN2 injection is far higher than that of singular LN2 injections.
Then the state vector can be on‐line estimated using the recursive KF algorithm, and an adaptive fading factor is incorporated in the KF framework to improve the tracking capability of KF.
At 400 kPa confining pressure, the peak shear strength of the top samples decreases by about 53% while the water content increases from 9% to 21%.
Moreover, the additional information of its 5-min gradient significantly improved the potential to indicate thermal sensation.
Actually, for the latter cases the centre of rotation of the tunnel section does not necessarily coincide with its centroid.
Shanghai city is a municipality directly under the Central Government, and its population density and total investment in fixed assets are much higher, but area of afforested land is much lower, compared with other provinces, and thus the data of the three parameters from Shanghai city were excluded for the correlation analysis.
Geographic Information Systems (GISs) have been applied to support environmental modelling and, being able to store, manage/analyse and visualize large temporal, spatial and non-spatial datasets, they are the most efficient tools to deal with geometric and alphanumerical data.
Although this curve has some resemblance to "L", it bunches up at some points.
One advantage of this method is the generation of periodic mesostructures and it is very easy to generate periodic meshes, which is very convenient for the implementation of periodic boundary in numerical homogenization.
To better describe the influence of the stiffness change on the seismic response of the tunnel structure, the results are normalized by those when EI1/EI2=1, i.e. for a uniform tunnel.
It is seen that there is small variation for the natural frequencies across different setups for all the eight modes.
Values given are the mean±SD of three replicate measurements.
The distributions of the stress component (and the induced shear stress component (are shown in Fig. 13c and d, respectively.
A rational method was used to study the various types of geometric imperfections.
In this study, the exhaust vent is 20m away from the fire source.
Similarly, in the Kobe EQ pulses are predominant perpendicular to the fault, unlike the Taiwan and Northridge EQs where pulses deviate from the fault-normal orientation.
In recent years, low temperature processed perovskite solar cells (PSCs) have demonstrated immense prospect for mass production in roll-to-roll process with flexible substrates[1], [2], [3], [4], [5].
Considering the study on the helicoidal composite samples where d is constant and γ is varied, we study a series of the twisting interface with γ=0°, 5°, 10°, and 30° while d is constant.
Each node is associated with a test condition and each branch represents the outcome of the test.
Next, a special case of the nonlinear superhealing model, called quadratic superhealing, is investigated.
A static data logger (Kyowa EDX‐100A) was used to acquire temperature from the K‐type thermocouple wire.
The stability of slopes in four hypothetical soil types, i.e., clay, silt, loess and sand, is studied.
So, keeping moisture inside the body of concrete by increasing ambient relative humidity provided enough water in the pores for cement hydration.
Therefore, to filter out invalid MAC addresses, this study adopted a pre-processing method developed in a previous work, which utilizes the signal patterns of the connection request to remove stationary equipment, such as desktop computers and printers [20].
The proposed damage-softening statistical constitutive model for SFRPC under high strain rates can be used as input data in computer programs for evaluating the dynamic response of RPC structures.
The damaged Element 1 cannot be detected for damage Scenarios 2 and 166 cannot be identified in all cases.
In Fig. 8 we present one of such cases.
Next, we describe how the fluid pressure distribution over the entire fracture surface can be calculated based on the mesh as shown in Fig. 4b.
In summary, we show that the (001) orientation modulation and chemical doping can be coupled to enhance the PEC performance of hematite for water oxidation.
This was confirmed and illustrated in the results shown above.
As final remark, the occurrence of negative refraction phenomena is found to characterize the high-frequency optical surface of the frequency spectrum.
In the selective binder activation technique, the particle bed consists of a dry mixture of very fine aggregate (typically sand<1mm) and binder.
The load versus drift ratio curves for these specimens are given in Fig.16.
Fig. 5 shows how the UTCI varied with Va.
Input seismic waves of: (a) No.1, (b) No.2 and (c) No.3.
The European Parliament is currently discussing an increase of the European Union 's renewable energy target to 35% by 2030.
Furthermore, the graphic output on this page displays basic statistical distributions from the selected subsets of the filtered database.
The cement powder is slowly added into 90% of water and mixed at a speed of 4000rpm for 1min.
In this paper, a specialized case of input-space dependent controller is investigated, where the embedding dimension is fixed, but the time delay used in the construction of the embedding varies with time.
All three formulations are suited to particular classes of problems for the simulation of solids, fluids, FSI, and contact.
The skylights and external doors are similarly glazed and feature aluminum frames [35].
Expressions for non-radiative heat transfer coefficient for a radiative cooler proposed by various researchers.
Here, particularly, the influence of the chosen objective function for the optimization in terms of type, amount and quality of data incorporated needs to be evaluated.
Moreover, the importance of the protection of the morphology-controlled nobel metal additive by Polyvinylpyrrolidone (PVP) polymer against corrosive electrolyte is shown.
Thus, the only current limitation to their greater use is one of performance, as they harden relatively slowly compared to many Ordinary Portland cements (OPC).
Trebuňa and Hagara34 proposed a modification of a high‐speed correlation system to estimate the modal parameters of steel plates.
The two-axle and three-axle trucks were used to assess the accuracy of the vehicle axle detection, the bridge displacement responses determined from the acceleration data, and the estimated individual axle weights and GVWs.
The empirical estimation of velocity and flow depth may raise questions on the physical understanding of debris flow, because Eq. (6) has limitations, i.e., in case of gentle slopes.
This is already possible under the concrete standards of many countries.
The parameters of the bearing used for the test are given in Table 7.
Fernando et al. (2009) discovered that Araldite 420 had a nonlinear part after the linear elastic stage.
Classification of Multi-Criteria Decision Analysis (MCDA) within the family of decision support techniques.
Fig. 9 shows the effect of desorption temperature on heat duty of 5M MEA: 2M MDEA with the addition of acid catalysts (HZSM-5, γ-Al2O3).
The size of the specimen showed no change after thermal treatment, which indicated no molecular orientation existed in as-received materials.
In this section, the algorithm of the B-WIM system is deduced based on the long-gauge FBG sensor.
In practice, to ensure that the stress state of the gob-side entry is the optimum, the fracturing location of the overhanging roof is determined based on the propagation law of directional hydraulic fractures and the site construction conditions.
For the gradient descent updating procedure, choosing a proper learning rate can be difficult.
However, an increase in WBSF leads to a decrease in contact resistance at BSF region, thus FF increases.
The change in the mean flux of each experimental condition was monitored for 30 days for 3 separate experimental runs to determine experimental reproducibility (Fig. 2a-c).
After inputting land use, soil, slope, and climate data, all other data inputs were performed using SWAT input text files according to the actual management data.
However, CO2 storage capacity is of course reduced significantly in such a scenario.
These assessments were conducted to determine CO2 emissions associated with the production of the materials, considering raw material use, energy demand, fuel mixes, electricity mixes, transportation, and raw material-derived CO2 emissions.
The compressive and tensile splitting strength of concrete were measured on additional concrete cubes (sides of 150 mm; at least five cubes were used for each test), in accordance with EN 12390-3 (CEN 2009b) and EN 12390-6 (CEN 2009c), respectively.
Moreover, the influence by S2O82/Fe2+ process was comparatively pronounced, indicating much harsher disintegration to sludge flocs.
In literature, the disintegration degree (DDSCOD, %) is calculated as the ratio between SCOD increase by modification and TCOD and is normally applied to express the WAS solubilization efficiency of one pretreatment method (Zhen et al., 2014a).
In this part, the flow of fluidizing agent (N2) was fixed at 1L/min, while the steam flow was varied in the range of 0.4-1.2g/min.
In addition, considering the bridge expansion joints, vertical constraints were set at the end of the steel box-girder model, and longitudinal constraints combined with vertical constraints were set at the other end.
Compression loaded structures: (a) self-supporting shell, constructed from double curved segments printed and cast on a flexible mould; (b) thin-vaulted, unreinforced concrete floor built with digitally fabricated formworks [29].
The soil at the sampling site is Q3 loess (known as Malan loess in China), which has a yellow color.
The dimensions, therefore, are required to have equal weights.
In 2014, the NSC, in conjunction with U.S. Department of Homeland Security (DHS), FEMA, and other agencies, began to realize that resilience policies and programs across the federal government were proliferating faster than anyone could fully appreciate or manage (FEMA 2016).
This bayou is hydraulically connected to the coast through Bastrop Bay via San Luis Pass, a tidal inlet located at the northeast end of Follets Island.
Properties of coarse and fine aggregates.
Model developers across diverse fields who adopt these interface definitions can develop models that can be coupled with other models to simulate complex earth and environmental systems.
This effect is more noticeable at the tract level since a specific AST has a larger contribution within a tract than within the whole HSC.
Also, the other time-frequency techniques, including the Hilbert-Huang transform (HHT) (Yang et al. 2004; Hsu et al. 2013) and the Teager-Huang transform (THT) (Li et al. 2010), have been proposed for the data process in aerospace and mechanical engineering (Kim and Melhem 2004).
From this aspect, it implied that the high temperature performance of the RM is superior than that of the LM, especially when the FB is not less than 0.6.
The CsBr and PbBr2 vapors encounter each other, and the molecules of CsBr and PbBr2 react to generate CsPbBr3 on the TiO2/ITO glass substrate: CsBr +PbBr2 → CsPbBr3.
There was a slightly lower sample size for winter (n=30,440), and fair representation of the shoulder seasons of spring (n=9455) and autumn (n=9177).
It removes irrelevant or redundant condition attribute values and preserves the decision ability of original information.
Moreover, each set of joints (i.e. both the AISC and EJ assemblies) was designed twice: (i) the first group was designed assuming continuity plates and supplementary web plates to strengthen the column, provided that the weak beam-strong column hierarchy is satisfied; (ii) the second was conceived keeping the same beam and the same geometry of the connections (i.e. bolt spacing, end-plate dimensions, rib stiffeners) but increasing the column size in order to satisfy the design strength verifications without using any continuity plate and supplementary web plates.
Even though the incorporation of model class uncertainty is widely accepted and common practice in PSHA, similar practice is not common in PSDA.
They set the objective function to be a linear combination of three objectives: maximize land suitability for the uses allocated to them, maximize compactness of the total area assigned to a particular use and maximize compactness of the total area assigned to a particular group of uses.
The specimen was modeled by using S4R shell elements (Figure 8B).
To examine the performance of this type of support, a model of the gear‐shaped support with an adjacent chevron brace was built in the general‐purpose finite element software ABAQUS.25 Linear solid elements with reduced integration were used for all of the steel components.
The bedrock of the study area is primarily highly weathered Quaternary Jingningian Period intrusive granite, with intensely developed joints (Fig. 3).
According to the seismic data (Fig. 15) at the Maoxian seismic station, which is 48km north of the landslide, Su et al. (2017) suggested that the collision from the first large ruptured rock mass at the crown and the subsequent minor landslides contributed to the first vibration section lasting for 45s (from 5:39:07 to 5:39:52) and that a major landslide resulted in the second strong vibration section lasting for 29s (from 5:39:53 to 5:40:22).
Most early works developed the analytical/semi-analytical postbuckling modellings based on the energy methods and considered various combined loading cases.
Among the different options, solar energy seems to gain most popularity, due to its cleanliness and especially abundance compared to other renewable energy sources [3].
The effects of soil vertical spatial variability on several major geotechnical and structural failure modes, including geotechnical ultimate failure, geotechnical serviceability failure, wall bending failure, wall shear failure, and strut buckling failure, are explicitly investigated.
Instantaneous acoustic pressure field obtained with the mode-matching technique for an oblique acoustic field incident on a blade cascade at zero angle of attack.
To mimic the experimental situation, white Gaussian noise is added to the original signal using the command "awgn" in MATLAB.
Thermocline depth (thermD) was a difficult parameter to model with the poorest PRE and NMAE values (Table 3&Table B1).
The combination of nonlinearity into material or boundary periodicity may produce many new wave phenomena including the gap solitons [13], tunable band gaps [14], envelope and dark solitons [15], [16] to name a few.
The width and thickness of weld lands are 131.3mm and 7.0mm, respectively.
As per Liu et al. (2009) and Fu et al. (2014), the threshold of damage is defined asa 10% reduction in the P-wave velocity as compared to the P-wave velocity of the undisturbed rock mass and computed at each coring locations.
The results obtained by applying the proposed procedure to the experimental signals reveal that the proposed signal can be effectively used for bearing fault diagnosis under time-varying speed conditions without tachometers.
The addition of 5 wt% of metakaolin decreases also the porosity compared to the samples only containing dolomite or limestone.
Instead of a twin box design, the present paper investigates a novel triple-box girder design in which the traffic lanes are located on the central box close to the elastic axis.
Fig. 27 shows Von Misses stress under cyclic load for CT20-TH12-SW in ANSYS.
A low‐pass analog filter was set with a cut‐off frequency of 100Hz.
The results indicate that UV/PS can considerably degrade and partially mineralize NOM in surface water, particularly at higher PS doses.
By comparing the discrepancies between the actual neutral Top and the predictive one, it was found that the actual neutral temperature was much closer to that of the UC-Berkeley model with a deviation of about 0.8°C, whereas the neutral Top of PMV was much higher, by 2.21°C, than that of the actual value.
This study investigated the relationships between occupants ' indoor thermal experience and their thermal comfort perception.
Owing to the oxygen carrier regeneration being highly exothermic, the temperature in the oxidation stage (4) rose, typically between 10°C and 15°C.
In addition, sunflower oil was proven to have a positive effect on bitumen rejuvenation [4], [24].
The flooding shut down the railroad between the state 's two largest cities and affected numerous other communities.
The global yielding of SQ2S was established for the negative direction, in which the full cyclic response of the wall was captured.
The water in the finest inter-layer pores is adsorbed too strongly to be removed through gentle drying at room temperature.
Where χ increases, as of Fig. 20(c) and (d), the rubber particles close up, forming a mesh.
Meanwhile, the secondary TLV (label C) forms in the tip clearance with strong pressure fluctuation presented by the red contour.
Seismically active regions of Hindukush, Chile and Southern California are considered in this study for modelling earthquakes and seismic indicators through GP-AdaBoost.
The effect of the shape factor was found to be due to the increased percentage of energy stored in bending of fibers and in contact regions.
The as-received wood char has a size of approximately 5mm, which is reduced to 200-1000μm when the fuel is passed through the feeding screw.
However, the ductility index of RU-NS beams decreased as the reinforcement increased.
For example, some MCDA* methods may simultaneously contain portions from MADM and MODM (Zimmermann and Gutsche, 1991).
Fitting parameters of fatigue equation under different stress states based on stress ratio.
Waste activated sludge (WAS) used in the present study was collected from the discharge of the secondary clarifier of a local full-scale WWTP located in Tsukuba City, Japan.
This increase in porosity not only increases the diffusion rate of sulfate ion into concrete, but also allows the concrete to accommodate more salt crystallization and generation of gypsum and ettringite.
Relative sea-level rise threatens this delta, however, and the system remains quite vulnerable to removal via erosion.
The point loads were applied to the lower part of the web at the web-to-flange junction to prevent web crippling under concentrated loading.
In addition, Ginsberg [32] calculated the dynamic responses of a simply supported thin cylindrical shell under harmonic excitations.
The presence of abrasion likely resulted in different values for COF (0.356, 0.325, 0.315, and 0.341, corresponding to Tests 1-1, 1-2, 1-3, and 1-4, and 0.279 and 0.263, corresponding to Tests 2-1 and 2-2).
HA samples generally presented dense microstructures with firmly blended nesquehonite layers, whereas a mix of hydromagnesite/dypingite along with nesquehonite needles were observed within H2O samples.
Two lines are provided to divide the design space into three regions that correspond to the three levels.
In the specific example, an error less than 10% is observed for structures more than 6 stories.
That is, to know whether the event forecast occurred or not.
It should be noted that, due to the probability of overlapping weight losses in this temperature interval, the signal recorded might not exclusively originate from the decomposition of hydrotalcite.
Based on the kp-Ritz method, Lei et al. [23] investigated the dynamic buckling of carbon nanotube-reinforced functionally graded cylindrical panels under periodic loadings.
Guo et al., 2015, Guo et al., 2016) conducted brittle-film cracking experiments on a ductile substrate to study the effects of external applied stress and film elastic properties.
As shown in Fig. 4a, there are two fracture surfaces, which are naturally transformed into a series of spatial triangular faces, as shown in Fig. 4b.
They demonstrated the nucleation and growth of several austenitic grains, depending on various annealing cycles.
This information is used to determine the relative error scale associated with boundary forcing and observed data for each lake (Table A2b), where low refers to low uncertainty in forcing data and high indicates a higher level of error associated with model input.
Ingeli and ekon [63] evaluated the energy consumption and design features of a Slovakian example of a net zero energy house.
Although the generated energies are affected by the input energies, the systems employing the TIMETs show more effective energy conversion ratios than the TMD with ET systems for the three input earthquake records.
Lower yield of biomethane was found from Microcystis spp.
In contrast, ADPE and ADPF were primarily due to CO2 capture system manufacturing, with a contribution of 60% and 90%, respectively.
But to the different stress states, the parameter n of these two S-N fatigue equations are very different, and that of compressive fatigue tests are the largest, and that of tensile fatigue tests are the smallest.
Life cycle energy use of a building is summation of EE and OE.
Similar to the results of the neutral Top, the differences between the PMV and the other thermal indicators were large.
Weger et al. [30, 31] described another selective binding method in 2016 - selective paste intrusion.
Evaluate the torsion rotation demand on the panels by means of an elastic response spectrum analysis.
As concluded, the brushes remarkably improve the thermal outputs of the thermal energy storage tanks, resulting in reduction in cost and space.
Wegmann et al.24 approximated the thermal conductivity of frozen rock by thermal conductivity of dry sample, saturated sample, water and ice.
These phases are referred to as "expansion areas."
Therefore, in this paper when normalizing PFA and PCA responses, 0.4 SDS is used instead of the PGA of the spectrum‐compatible record.
The test parameters included the number of fabric plies (1-4), the FRCM repair scheme (end-anchored and continuous U-wrapped strips), and FRCM materials [carbon and polyparaphenylene benzobisoxazole (PBO)].
Considering the potential negative effects of time compression in postdisaster environments, the congressional mandate written into the Emergency Relief program that required grants to be written and executed within the 1-year period following a disaster declaration exacerbated already impacted processes (Olshansky etal.
Sweden is the world leader in the use of biomethane in transport, with a share of 75% of the biomethane used in the European Union in transport and with 205 biomethane filling stations [20,25].
In this model, we have incorporated the renewable energy consumption for capturing its effect on environmental quality in India.
In these cases, a second investigation was carried out, where the values of the imposed loads were increased and their proportions was not changed until either the ultimate displacement of a connection or the compressive strength of timber was attained.
When the flow reached the area known as the "590-m height" at the elevation of 590m, the flow directions of many sliding rocks/soils shifted northward, and the avalanche divided into 3 flow paths, refer to as Routes A, B, and C. The scar of the landslide dam on the west bank of the Chishan River is evidence of the three-dimensional (3D) movements of the blocks because the arrangement of the source area, the area at 590-m, and the landslide dam is not rectilinear.
Share of different processes for biogas in Europe in 2015 [20].
This interaction includes the effect of shadowing, long-wave radiation due to reflectance of the buildings, and thermal boundary layer for the cluster of buildings [22].
This work was supported by National Natural Science Foundation of China (Grant No. 51608076), Chongqing Science and Technology Commission (Grant No. cstc2016shmszx30016), Chongqing Construction Science and Technology Planning Project (Grant No. 2015-1-34), graduate scientific research and innovation foundation of Chongqing, China (Grant No. CYB16006) and the 111Project, No. B13041.
Inclusion of lower wind speeds leads to higher scatter in the range of ventilation rates.
Fig. 10 presents the proposed calculation procedure.
CTC bumper beam adds a plastic hinge, which implies the energy absorption capacity will be increased.
Although an appropriate construction method contributes to minimizing the excavation-induced impact on existing facilities, few studies have focused on the comparison and optimization of the construction methods for engineering projects in practice.
Wessex water employed an ultrasonic pre-treatment system to treat the industrial and domestic mixed sludge prior to its anaerobic digestion, and found that ultrasonic pre-treatment improved VS destruction by 20% (Wang et al., 2017).
This review will facilitate application of the most applicable methods to measure or predict persistence in rock engineering projects, and recommended approaches for the quantification of discontinuity persistence.
This phenomenon was present before the injection began.
Moreover, an artificial neural network (ANN)-based reinforcement learning (RL) was employed for PMSG to achieve MPPT, which enables the WECS to behave like an intelligent agent with memory to learn from its own experience, thus improving the learning efficiency [24].
The comparison of microstructures for samples with mixture design Nos. 2-5: (a) and (b), No. 2; (c) and (d), No. 3; (e) and (f), No. 4; (g) and (h), No. 5.
Huang et al. (2013) researched the influence of weak interlayer on the failure pattern of rock mass around tunnel by numerical simulation and physical model test.
There are also other subpixel techniques that are based on Newton-Raphson method [87] and gradient-based methods [88].
After nitrite addition, all fermenters were flushed with N2 for 5min to guarantee anaerobic condition before being capped with rubber stoppers, sealed, and placed in a temperature-controlled shaker (35±2°C, 150rpm).
As a future work, it would be interesting to study the effectiveness of the derived optimal solutions under the scenarios of climate change, while a group of residential buildings with more complicated building forms within a living-district are considered.
In an extrinsic system, the healing process is typically activated by cracks that interact with the capsules (White, Sottos, Geubelle, Moore, Kessler, Sriram, Brown, Viswanathan, 2001, Kessler, Sottos, White, 2003, Carabat, van der Zwaag, Sloof, 2015).
Here most of the warm (above normal) observed events where predicted by most of the ensemble members.
In this paper, red sandstone was taken from Linyi city, Shandong province, China.
Helmons et al., 2016a, Helmons et al., 2016b and Helmons (2017) coupled the DEM with the Smoothed Particle approach to study the pore fluid pressure effect in the cutting process on saturated rock.
The stress-based (maximum principal stress) damage initiation criteria was used for the emergence and propagation of cracks.
An example is floor type in tall buildings that is found to be the most critical component of structure in these buildings in terms of EE, yet, floor weight reduction does not lead to reduction of EE [33].
In the last decade, the use of nanotechnology and the production and usage of nano-scale particles has increased significantly, leading to advancements in many disciplines, including medicine, materials science, and engineering [49], [50].
The highly crystallized Sb2Se3 films prepared at Tsub of 325 °C showed an Eg of 1.23 eV, which was close to the value for a single crystal of Sb2Se3[8].
Latour et al. [23] recently carried out an experimental study on SFCs with the friction damper applied by means of an additional haunch welded to the lower flange of the beam.
The experiment was conducted in Pahang, Malaysia.
Especially, in the simulation process, skew angles (θ) are uniformly distributed between 0 and 60° (1.047rad).
In this paper, VMA was also added into M2.2-C, that is M2.2VMA-C, to improve the fiber dispersion.
To simulate the experimental results of the repaired specimens, two numerical models, Model Fiber and Model RS, were developed in OpenSees considering the bond-slip effect, damaged steel properties, and low-cycle fatigue of steel bars.
Thus, one should expect to get comparable results as in experimental tests.
The temperature increase at the center was 51°C after 16.8 h of casting, which decreased to the ambient temperature approximately 40 h after casting, which was significantly faster than the other specimens.
During the earthquake motions in 1967, Koyna dam was subjected to both transverse and vertical components of the ground accelerations.
It is also worth noticing the small amplitude oscillations at the tails of the 5‐Hz response (Figures 25A and 26A); these small‐amplitude limit cycle oscillations are discussed in detail by Stefanaki.
The base pocket foundation was modelled as a perfectly rigid connection (see [59] for experimental evidence), as well as the moment-resisting adapted beam-column joints.
Chastas et al. [11] conducted a literature review on Life Cycle Energy Analysis (LCEA) studies in residential buildings.
As discussed in the "Funding Round Three: A Hybrid Equilibrist and Evolutionary Aapproach" section, the FTA evaluation methodology prioritized projects designed to protect the most vulnerable assets.
Both tailings were largely composed of silicate-based minerals, including quartz, chlorite, and albite correlating properly with the elemental compositions obtained by ICP-AES.
Since the CFRP has higher elastic modulus than that of the GFRP, the life elongation ratio of Test 7 reaches 4.18, demonstrating that CFRP-based strengthening is very effective.
Using a fixed zoom lens and an angle measurement device can minimize such errors.
Acid soluble sodium mostly is sodium carbonates and sulfates.
At this point, it is worth noting that Colombi et al. (2016b) have also investigated the behavior of natural periodic structures, such as forests, in terms of surface Rayleigh wave attenuation.
If the threads encounter divergent computation paths, they will process the paths sequentially and the kernel has to wait for both branches to finish computation before moving forward.
Respondents ' rating of the vested-interest levels (v) and impact levels (i) of different stakeholder groups during post-occupancy of GB.
Resource allocation also slightly increases in Region R4.
In addition, the tensile stress-strain behaviours of the 3DP sample and the prototype volcanic rock are almost identical.
Therefore, when the rock reaches the critical shear strain energy leading to rock failure, the higher shear stress provided by the differential stress (σ1-σ3) is needed.
Fig. 5 shows the stress distributions in the soil near the tunnel and retaining structures before and after the excavation.
These dampers have been developed for different yielding methods, among which the common types mostly utilize shear yielding,5, 6 flexural yielding,7, 8 and axial yielding.9-Aimed at performance‐based design, it is necessary to rationally design structures equipped with EDDs to satisfy different performance requirements for different seismic intensities.
However, the further development of these lead-based materials is restricted by the toxic heavy-metal element Pb. Herein, we present a dissolution-recrystallization method to fabricate high-quality lead-free Cs3Bi2I9 perovskite nanosheets film and further explore its potential application in solar cells with three different kinds of hole transport materials.
Where conditional dependence is present, the probability values may be inflated, or deflated.
The last three types were rarely mentioned in the hazard news items; therefore, this paper focused on the analysis of the meteorological and geological hazards.
In the experimental results of Set I, a lower value of R (5.10) is obtained with an initial SDBS concentration of 50 mg/L, while the value of R increases to 5.62 with an initial SDBS concentration of 32 mg/L. Thus, it can be regarded that a slightly higher concentration of SDBS is able to overcome part of the mass transfer resistance, resulting in a lower value of R. Similar results can be found in previous literature (Fonseca et al., 2009, Florido et al., 2010).
They claimed that the cut-off frequencies of passbands and stopbands can be tuned by varying temperature.
Although considerable progress has been made for MnOx OER electrocatalyst in acid, cobalt-based electrocatalysts, especially Co3O4, have attracted extensive attention for OER due to it show more activity than manganese oxides under different pH conditions [29], [30], [31].
When subjected to compression, the performance of the wood exhibited nonlinear characteristics with a very similar backbone response to that of concrete; thus, the concrete02 material was used to model the elastoplastic behavior of wood.
The gases travelling through this part of the duct are extremely hot and they continue to vaporize the fuel lining, which is unable to burn due to insufficient oxygen.
However, some samples of Groups 1 and 2, respectively, with similar post-erosion porosities behave differently at low shear deformation.
The reinforcement ratio significantly affected the crack development.
The mortar prepared using seawater and sea sand (SWSSM) turns red at 600°C probably due to formation of new iron compounds.
The same trend was observed when salt water was used, although to a lesser extent.
Based on the open time results, the extruded filament of mixtures with 0-50% replacement ratio of tailings to natural sand incurs disruption at the rest time of 90, 90, 90, 80, 90 and 70min, respectively.
Thus, the increase in VS destruction occurred in the anaerobic sludge digester rather than in the pretreatment step.
The different temperature distributions with varying longitudinal ventilation velocity and fire size at both upstream and downstream side have been compared and analyzed.
While supervised analytics are powerful in modeling complicated relationships, unsupervised analytics are more practical and promising to discover novel knowledge given limited prior knowledge.
In general, the damage distance decreases with the increase in Q-values.
The condensate is instead directed to the condenser.
Microsoft Excel 2016 was used for other data analysis.
Its main weakness is the assumption that consumers are well-informed about the tariff structure.
After approximately one-month operation, the surface of the GF was covered with sparse and scattered biofilm (Fig. 3b and c), suggesting the successful formation of biofilm on the GF.
The thermal plume in this case (C-3) remains upward and is not strongly disturbed by the PV flow.
The MLP network was used to define transition potential maps.
As the ABM finishes calculating projected demands, the results are stored in a.csv file which can then be (sequentially) read to initialise demands for the RTN component.
Gradual association rules are represented as "the more/less A → the more/less B", which in essence describe the co-variations in numeric data.
At the same time, similar reduction in annual heat demand can be observed when moving from Base shell to Minergie shell and subsequently to Minergie-P from 70% to 85% respectively (Fig. 7).
This may be attributed to the overstrength factor in the real structural design.
Fig. 14 shows the distribution of dimensionless VISD.
The location of Xinmo Village at Songpinggou River is also shown in Fig. 9.
A number of 144 Sensors are arranged within a radius of r=0.75meter.
This trend can be ascribed to the increase of failure surface tortuosity with increasing VBP (see Fig. 5).
We confirmed experimentally that the relative difference between the stiffness of a 10 mm ×4 mm sample and that of a 20 mm × 20 mm specimen is less than 2%.
The mechanical behavior of an SRM is usually nonlinear.
They cited the high rate of client turnover as a barrier that made disaster communications logistically challenging.
Table 7 also presents the linear regression analysis and ANOVA results for the overall case with the combined population of all subjects.
We divided the terrace into Region A (RA) and Region B (RB) based on landslide group (Fig. 1b).
The convective sensible heat flux released from CB-D accounts for 32.74% of the absorbed net shortwave radiation during the whole experiment, while for PC-D, the value is 35.45%.
In Europe, Gavric et al. [32] carried out cyclic racking tests using monolithic and segmented walls.
Yet, the application of EB or NSM FRP strengthening systems requires laborious surface preparation as well as protection against vandalism and fire.
Applying the DCC approach, including more variables in the specification, and controlling for the commercial uses, are three methodological features that retain statistical significance on estimated water price elasticities.
Fiberglass insulation and proper cladding were given to the pipeline to minimize heat losses.
To now, this study has focused on strategies to protect ASTs and reduce potential spills, particularly in disadvantaged neighborhoods.
Amount of amorphous phase in undissolved precursor after 24 h reaction.
It can be observed that corrosion of steel bars had a marginal effect on the load-deflection response of the unstrengthened beam MCU.
To compare the modeled AR coating with the effect in the actual device, reflection was measured on the highest-efficiency device and a comparable device made without AR coating.
Table 1 shows the weight amounts and percentages of the components within the composites and Fig. 2 demonstrated the leakage test results of the composite doped by 5.0 wt% CNTs.
Fig. 7 shows the comparisons of the IC debonding loads and the corresponding deflections of Group A. The FEA failure loads agree well with the tests: the FEA standard deviation is only 0.061, with a coefficient of variation of 5.87%.
There are four interlayers in the model.
This is inefficient damper arrangement because the dampers located at different stories have disparate deformation demands.
Finite element discretization of the soil-foundation-structure system for one example model.
Each segmental column had four 12.7-mm diameter seven-wire strands PT, each with a cross-sectional area of 99 mm2, as the main reinforcement of the column.
The strain in the band was orders of magnitude larger than the strain out of the band.
Two CO2sequestration fields were identified in the Texas Gulf Coast region suitable for this study.
Therefore, it is imperative to study non-uniform conditions in fishways to improve the knowledge of the local hydrodynamics under field conditions.
Framework efficiency was achieved through dimensionality reduction (i.e., GSA).
And although black box approaches obtain extensive use of power consumption, according to the assortment of hierarchically significant data inputs [213], [214], [215], different examples of the applicability of these strategies in large-scale presented in reference [216], [217].
The dot plots for C-S-H phase of the samples 60C40D, 60C35D5M and 60C20D20M cured at 60 °C are given in Fig. 9.
The process of extracting the geometric imperfection data from the CFS specimen is given in Fig. 3(b) as a block diagram.
When r varies, two circumstances may develop: (a) two elements are just separated by the fault trace as portrayed in Fig. 4a, and (b) the fault trace may pass through one element as shown in Fig. 4b.
The total number of particles was slightly less than in Case 1.
The first author also acknowledges the Curtin University of Technology for the full PhD scholarship to undertake his PhD study.
The tunnel lining was built in the model directly, and the influence of the segment assembling and the shield tunnel excavation was ignored.
Evidently, localized deformation in the form of a deformation band could have dominated most of the softening responses exhibited by the specimens.
Table 4 shows the comparison between slow and fast pyrolysis for syngas produced from sugarcane bagasse (vol%).
Selected cyclic DSC curves of the eutectic mixture.
Serving as a CBO information hub or a CBO liaison in the community.
As shown in Fig. 13, cracks initiate in the bottom material before the macro band propagates to the interface.
At higher discharges, the transport of sediments in the river is higher, and likely changes in its bathymetry may be significant.
The shear stress was therefore transferred along this crack primarily by longitudinal reinforcement dowel action, because the friction-resistance forces maintained by aggregate interlock were degraded under cycling.
The comparison between experimental and numerical results shows the reliability of the procedure to predict the actual behaviour of masonry arches, both qualitatively and quantitatively.
The reductions of seismic responses of the nuclear power structures in both horizontal and vertical directions are investigated.
After these treatment stages, the majority of AMR components were removed significantly, with more than 70% for antibiotic residues, up to 5.0 log removal value (LRV) for ARB, and up to 4.2 LRV for ARG.
A large deviation exists between the detected frequency and the theoretical value of 20Hz for the fault frequency.
We investigate, how a force‐excited piezoelectric transducer with an attached mass can be piezoelectrically actuated in such a manner, that the transducer force is nullified or at least considerably reduced despite a piezoelectric actuation in a stack actuator is present, see Figures1 and 5.
This is supported by the results ofauman [57] who studied the carbonation of tobermorite and concluded that vaterite was the main product but that vaterite formation was inversely proportional to the CO2 content: at high CO2 contents, calcite was predominant.
Two different types of database were used in this study, namely the United States tornado database and US Census database.
Its optimum moisture content is 4.85% and the maximum dry density is 2.346g/cm3.
Neutron imaging has proved to be a powerful non-destructive technique to study quantitatively water content and water movement in porous materials.
The internal offset distance increases as the length of the overhanging roof, the height of the coal pillar and the burial depth of the coal seam increases.
All strengthened specimens were subjected to cyclic in-plane loading using a stiff steel frame.
The print resolution is constrained by material rheology and nozzle dimensions limiting the achievable print tolerances.
Ellenberg et al. 88 used the UAV with 3D simultaneous localization and mapping technology.
Comparison of selected simulated output maps corresponding to Pareto front solutions listed in table one with data (a-1 and a-2).
This conclusion was further verified by chronoamperometry experiments.
This algorithm allows the behavior of continuous three-dimensional media that reach equilibrium and/or a continuous plastic flow to be modeled.
It can be seen that the TG curves of the eutectic mixture before and after 50 melting and crystallizing cycles overlap.
The same results for the wet sample are presented in (d-f).
The plots were measured in 1 M NaOH electrolyte (a) without and (b) with 0.5 M H2O2.
Enlarged views of simulated water depth using 1- and 8-m resolutions.
Cases with the initial reservoir temperature and inlet acid fluid in equilibrium are simulated.
The number of grids/elements with variable grid sizing in different resolutions.
Král et al. (2014) studied the postflutter LCO of a rectangular plate and introduced a Van der Pol-type theoretical model to analyze the nonlinear aerodynamic damping.
However, the amount of extra moisture was dependent on the coverage ratio and tree configuration.
The impacts of the high-velocity blocks and the buildings in Xinmo Village on the landslide were also discussed.
Eisner 2010; Austin 2012; Chikoto etal.
In practice, MCDA starts with defining the decision context (Fig.1).
The same conclusions as the marginal PDFs can be drawn from these figures.
The constitutive relations were evaluated at every integration point.
This review is meant to be helpful for colleagues who are working with cement-based materials to become more familiar with the techniques and the potential of neutron imaging and the different fields of its application.
On Demand Response (DR), utility companies worked with large industrial customers to reduce their energy consumption during designated peak hours of energy usage.
In Fig. 4f, ettringite rods can be seen on the sample surface and this only occurred for samples older than 15h (small AFt phases are formed at very early ages but less visible), which agrees with the literature that the visible ettringite needles are formed after a certain duration of hydration (e.g. 18h reported in [33]).
The model is a function of tornado intensity, the number of people located in the tornado path, as well as the tornado path width and length.
The smallest class of optically visible voids in the paste are the diverse sizes of capillaries.
This paper summarizes the results of experimental investigations of bolted lap-splice joints at elevated temperatures.
Although the deformation of the underlying metro tunnels was controlled within the allowable value, the efficiency of this construction method needs to be evaluated.
Combining the additional virtual mass method and sensitivity analysis, a large amount of modal information of the virtual structures with high sensitivity to local damage can be obtained.
The locations of detected vehicles are also estimated by using computer vision techniques.
Two pairs of red dotted horizontal lines indicate these confidence intervals.
A number of factors have been considered to determine the size of SFRC specimens.
However, the proposed methodology can be used to generate fragility curves for any bridge class.
A sodium hydroxide solution with a pH value of 10.5 was used as the dispersant.
Then the numbers of matrix elements, liquid water elements and solid ice elements are Ns=round[2500·(1-n)], Nw=round[2500·n·wu] and Ni=round[2500·n·(1-wu)] by round number, respectively.
However, its adoption has been overshadowed by the emerging of newly innovated machine learning techniques.
In this study, peak interstory drift ratio (PIDR) is used as the EDP, and the 5% damped linear response spectral acceleration at the fundamental period of vibration of the FEM Sa(T1,ξ =5%) is used to define the GM IM.
The inset panel of graph (a) depicts the kinetic analysis for a pseudo-first-order reaction of tetracaine.
To conduct the numerical calculation in a convenient way, the following assumptions are made.
However, when the perturbation force field off the flat state is taken as a linear combination of Modes 109 and 107, the nonlinear simulation solved with similar efficiency as Mode 107 and 110 which maintained a similar deformed shape.
Furthermore, its influence diminishes with increasing frequency of oscillator 1 up to 3 Hz.
The titration was conducted in a jacketed glass reactor (100 mL volume) where the temperature was controlled using a Julabo M4 heating circulator (temperature stability ± 0.1 °C).
In the insurance industry, vulnerability functions are usually formed empirically by correlating insurance claim information from previous events with the estimated hazard intensity at the location of the asset.
When the liquid water evaporates from the surface of the specimen, the drying front gradually moves into the inner material, and this leads to the morphology development of the second layer.
The blue line marks the cumulative erosion depth estimated by the presented approach, while the red one denotes the measured data.
The peak shear strength and steady-state strength increased as void ratio decreased.
That indicates SQCC arch has more obvious advantages than U-shaped steel arch does.
The fastener (self-tapping type) used in test panels was 6 mm in diameter and 34 mm in length according to GA-216 (GA 2007) as shown in Fig. 2(a).
Therefore, reducing CO2 emission is urgently awaited to be solved (Choi and Nesic, 2011; Sim et al., 2013).
The plots extend from x=280m to x=280m, beyond which distances the influence of the tunnel transition is negligible.
PET was selected as the main thermal index in this research with several advantages.
The reason was not well understood but could be related to the high amount of oxygen-containing properties in EPSLoP-ProS.
Speedup by OpenMP parallelization (blue line) increased but attenuated as the number of threads increased.
The problem of tunnel fires is one of the most complex and interesting areas of modern fire research.
Since the friction angle controls the plastic deformations in the vicinity of the building and tunnel, it highly affects the tilt of building as well.
The biggest problem with these activities is their contribution to both point source and nonpoint sourcecontamination (e.g., pesticides) and nutrients (mainly phosphorus and nitrogen) discharged into waterbodies (Chislock et al., 2013, Wu and Chen, 2013).
The hump characteristic is a result of Euler momentum and hydraulic loss.
In this paper, an algorithm for multiple time-frequency curve extraction is proposed based on the fast path optimization approach without signal reconstruction.
Jee [24] also pointed out that a hysteresis characteristic exists in the hump region.
Apart from this, the present study has also considered the methodological issues raised by Stern [3], while estimating the EKC in any context, e.g., serial dependence, stochastic trends in the time series, and omitted variable bias.
The dashed lines represent permeable boundaries, whereas the solid lines denote impermeable conditions.
Before and after thermal cycling of FA/WF composite form-stable PCMs: (a) melting point; (b) freezing point.
The simulation results are shown in Fig. 8(a).
A comparison of the developed platform with the WaterMet2 and UWOT models, as well as limitations and advantages of our approach are given in the discussion section 7.
To derive an equation describing the relationship between the thermal conductivity and the variable experimental condition (i.e. temperature, relative humidity and moisture content) the best fitting regression lines were plotted on each graph, always checking the correlation coefficient of each relationship.
Oftentimes, it is required to take measurements from a remote distance.
As reported in these figures, the recorded buckling loads are very similar, with the FE results being slightly higher.
Most recently, a metal-organic frameworks (MOFs) template technique was exploited to synthesize ZIF-8 (ZIF denotes zeolitic imidazolate framework) derived N-doped graphene (ZNG) analogs with high surface area and hierarchical pores, which not only facilitated fully contact between the water and the photocatalyst, but also exhibited significant hydrogen evolution rates toward photocatalytic water splitting [25], [26].
This reduction is not evident for the infilled frames because the intensities up to which this study was conducted do not surpass the median SLC limit state intensity of the infilled frames very much to identify such a trend, although it is somewhat apparent in the case of the 3‐storey weak infill frame.
We are also thankful to Kevan Cameron and the undergraduate staff at CSU 's Next Generation Photovoltaics Center for help with tool maintenance and device measurements.
Since different equations are proposed for the two materials used, it is concluded that the material type affects when all other parameters are similar.
Two continuous anaerobic digesters were employed.
For instance, tourism-related businesses in coastal communities are usually located near the waterfront for a better view.
Modified after Carrera-Hernandez and Gaskin (2006).
From results in Fig. 7, the critical pore entry radius of the connected pore network is shown in Fig. 16.
Using LCA methodology, this study aimed to compare life cycle emissions of membrane separation and chemical absorption processes for the post-combustion capture of one tonne of CO2 from a subcritical coal-fired power plant.
It can be analyzed from Table 3 that when the FTs are constant, the UCS performance of CTB samples increases with the increase of the slurry 's solid density.
The detail investigation of GFRP skins and phenolic core properties can be found in Ferdous et al. (2017b) while the properties of polymer matrix are studied in Ferdous et al. (2016b, 2017a).
In an anaerobic system incubated with a denitrifying bacterium, the pyridine removal rate was only 1.25 mol m3·d1 (Rhee et al., 1997).
The mechanical properties of the specimen were obtained by compressive and tensile experiments, with uniaxial compressive strength of 27.89MPa, tensile strength of 3.55MPa, Poisson 's ratio of 0.17 and elastic modulus of 24.6GPa.
Case 2: Convergence curve of GWO algorithm for TVF-EMD parameter optimization.
The fibre-based model, being able to update the sectional moment-curvature diagram with the continuous change of axial load in the columns during seismic excitation, provides a better response prediction for structures with adapted joints.
With this model, channel widening at the water surface stops before reaching a balanced state.
In general, the difference in results obtained for far‐field and near‐field records was not very significant regarding the effects of dynamic buckling of braces on the seismic behavior.
The addition of 10% FAM firstly increases the Tw, meaning that the increased We is a dominant factor.
The latter are based on past land use/land cover (LULC) in a raster format (i.e. pixel units) to estimate the change transition potential, and apply mathematical/statistical functions including explanatory spatial variables to predict future scenarios.
Relative increase of yield and peak stresses against initially applied normal stresses in CNS direct shear.
The remaining 44.2 W/m2 was lost through the clothing by convection, conduction and radiation [61], [62].
Dimensionless linear natural frequencies (a) and nonlinear frequencies (b) of forward travelling waves versus number of circumferential waves.
The stiffness decreased to 53% of its initial stiffness once loading cycles attained 110,000 for Specimen A-3-0.
On the basis of aerial images (res.
Hence, the inclusion of the X-O arc in the network structure in Fig. 4 is very important here since a reasonable connection between drifts, IMs, and DSs is discovered, i.e., that a higher PGA is anticipated to produce greater maximum interstory drifts without necessarily altering the structural DS.
The frequencies obtained from conventional acceleration-based EMA and the PME are compared in Fig. 7(a), which indicates a very good agreement in determining frequencies from the sequence of images.
However, considering the ratio of normal CFRP modulus to steel modulus was around one, the flexural stiffness increase was not predominant when using thin CFRP sheets or plates to steel beams.
Self-healing is a well-known phenomenon for cement-based materials, because they possess natural abilities to heal existing cracks.
The broad band near 3284cm1 was attributed to the stretching vibration of hydrogen bonds (O-H) and the weak signal at 2930cm was due to C-H stretching vibrations (Her et al., 2008).
Fig. 8 shows an ESEM image of the path of micro cracks within M2.2FAC-C specimen.
The photo-thermal conversion performance of Stearic Acid and compressed Stearic Acid@MWCNTs composite PCM with density of 900.0kgm3 were conducted under simulated solar irradiation.
Beneath this is often a well-defined fragipan (C-layer) that generally comprises a moderately-weathered, clayey silt with vertical fissures and mottling zones (Griffiths, 1973, Jowett, 1995).
Further investigations are required to better elucidate this aspect, which is beyond the scope of this paper.
In this study, the unconfined compressive strength of the concrete material is 34MPa.
In Figs. 3 (a-b) and 4 (a-b), the CO2 absorption capacity at 40 °C of the studied solvent systems in unit of mole CO2/mole amine group and mole CO2/kg solution, respectively, is given as a function of the pKa value of the tertiary amine.
The effectiveness of collars varies with size and placement along the column (Zarrati etal.
Presoaking the aggregates affected the workability since by keeping the same w/c ratio for both, RF100ps mixture needed 0.62% (of the amount of cement) superplasticizer and RF100 needed 1.15%.
The hydration of C3S is enhanced for LC3-50 blends due to the filler effect of calcined clay (quartz for LC3-50 (0%)) and limestone, as shown by the higher slope and intensity of the silicate peak.
For example, Hallegatte (2008) modeled the economic losses in the aftermath of 2004–2005 Hurricane Katrina.
Therefore, decision makers must explicitly consider the uncertainty of ranking results as well as the corresponding risk of decision making errors.
In Fig. 1(a), dark colors represent large values of friction coefficient while light colors represent small values of friction coefficient.
Fig. 12 compares median IDA curves for both cases, spatially varied pitting corrosion and uniform corrosion.
However, the previous research mainly focuses on the verification of the feasibility and practicality of this technique.
After taking a comprehensive view of the geological suitability and existing construction situation, the construction suitability evaluation grade is developed as shown in Table 10.
At any given hydrostatic confinement, the dynamic strength of rocks increases with increasing strain rate; and the rising rate of dynamic strength with strain rate decreases with increasing confinement.
Sliding shear was prevented by adding two layers of bidiagonal No. 3 GFRP bars across the potential sliding plane at an angle of 45°, spaced at 100 mm and sufficiently anchored on each side of the shear plane.
Two‐dimensional centerline nonlinear deterministic FEMs for the application example frame were developed using the expected material properties.
They calculated the vibration characteristics of the plate in air and in water using both theoretical as well as experimental approach.
In order to quantify the extent of damage within the sample, volumetric strains were evaluated as initiation and propagation of cracks during each loading cycle cause an increase in sample volume.
Many studies within operations research (Gregory etal., 2016; Hmlinen, 2015; Kellon and Arvai, 2011; Voinov etal., 2016), and e.g. in policy and governance (e.g. Dietz and Stern, 2008; Dupuis and Knoepfel, 2015; étienne, 2011; Papadopoulos and Warin, 2007, and therein; Renn, 2003), or transition management (e.g. Harris-Lovett etal., 2015), call for participatory decision-making.
Comparisons with experimental results for three prototype braces demonstrated that the proposed model could effectively portray the hysteretic behavior of the PS-SCED bracing system by selecting reasonable dominant parameters.
Again it is seen that the present results are in good agreement with the results from literature.
The rainfall threshold for the debris flows in Gaojiagou Ravine increased over time, and the initiation mechanisms evolved from landslides to channel-bed failure, and subsequently to channel-bank erosion.
The proposed damage detection method operates directly on the raw ambient vibration condition signals without any filtering or preprocessing.
To tackle this issue, the subjected base sample is dissected into many smaller parts, using the same gradient vector filtering technique, for further analysis.
The maximum compressive force in RCS and RCL was 1and 154kNrespectively.
Excellent agreement was achieved for the beams in all cases.
Both theoretical and actual computation costs show that PCA is a more efficient method for simulating spectral accelerations for 2 or more periods.
Back in 1998, Yeh demonstrated the possibilities of using artificial neural networks (ANN) for predicting the compressive strength of HPC [26].
All experiments were performed at least twice, and the average data with their standard deviations was shown.
The Location of the Cranfield field, Mississippi,USA.
Recent work has shown that the delineation of more homogeneous subsets of lakes with respect to their morphological characteristics/hydraulic regimes and their subsequent integration with hierarchical frameworks may give models with better predictive capacity (Cheng et al., 2010, Shimoda and Arhonditsis, 2015).
To meet the needs, in this study, the weldment corrosion behavior of bridge steels was investigated under simulated corrosive circumstances with and without protective coating systems.
The developed method is limited to low-Mach number flows, as mean flow effects are not accounted for in the proposed procedure.
Residual story drifts at the end of the test in both stories were similar (Table 3, Event 5).
The specimen with a dry density of 1.50 Mg/m3 possessed a weak collapsibility, and its dominant inter-aggregate pore diameter is the smallest before wetting and almost unchanged after being wetted to saturation.
Due to the lower flight height and lower speed (3 m/s as opposed to 23.5 m/s for the UX5 HP) the map produced using the ZX5 orthomosaic is more detailed compared to the map from the UX5 HP.
Similar results were reported by El-Amoury and Ghobarah (2002) who found that steel bar slip as well as FRP debonding could be eliminated when FRP sheets are anchored with steel plates at proper angles.
When the high water table nears the slope crest, the effects of the matric suction on the slope stability are negligible.
Ou et al. [3] employed non-linear three-dimensional finite element analysis (3D FEA) to evaluate the wall performance of an irregular excavation site of the Hai-Hua Building in Guangzhou, China.
Among these processes, one of the most common and cost-effective technologies is the chemical absorption process.
In addition to the limited site-specific data, there are often some prior knowledge (e.g., engineering judgement, local experience, published reports and studies) about the site.
This might be attributable to the increase of microbial populations with the acetate metabolism (Zhang et al., 2009).
The simulation results agreed well with the experimental data for sand with varying densities and confining stresses; under which, the contractive and dilative responses of sand in the full range of the shearing up to the critical state failure can be properly captured.
Cement paste containing agglomerates usually experiences sudden failure because of the increased stress concentration[6].
The constituents of microalgae that can be converted into biofuel include lipids and carbohydrates, while the spent microalgal biomass after extraction of lipids or carbohydrates can also be used for biofuel production or processed in other ways to be used as feed or fertilizer.
Energy system improvements should be assessed considering all the relevant components, including wind turbines, BIPV, energy storage etc.
Sludge is normally treated biologically to stabilise and improve final dewatering, and anaerobic digestion is widely applied as a method to do this (Neyens and Baeyens, 2003).
The historical scenario is marked by the black point.
The proposed numerical model again shows good agreement with FAST.
The responses of CNTRC structures on elastic foundations have been addressed in some works.
As evidence of this, Table 1 provides some GitHub development metrics for the next generation of APSIM.
From this characteristic equation, one can determine a critical load when material properties and restraint parameters are given.
Whilst such an assumption can be theoretically consistent with the actual behavior of a generic tower, it is not very frequently observed in practice, because it has been seen that failure may be more probable for the formation of different failure mechanisms, like vertical splitting, combined shear and flexural failures near the base, Heyman 's diagonal cracking [16],
The circumferential and coupled modes for the SYLDA test-case; (a) 229.6Hz, (b) 357.2Hz, (c) 640.2Hz, (d) 984.5Hz.
Its areas of application currently focus to the powering of small autonomous wireless sensors (thus eliminating the need for wires), in structural health monitoring and building automation applications.
Hence, the behavior of PTRCs needs to be investigated under dynamic load.
The framework is then conducted on a large-scale bridge in the University of Central Florida (UCF) Structures Laboratory for verification and demonstration.
The selected building archetypes consider the occupancy of each building in addition to other characteristics such as building material, area, roof type, and so on.
DSC curves of (a) n-OD, (b) n-OD@silica, (c) n-OD@silica-PDA, (d) n-OD@silica-PDA-Ag(8), (e) n-OD@silica-PDA-Ag(16), (f) n-OD@silica-PDA-Ag(32), and (g) n-OD@silica-PDA-Ag(48).
We developed a user-friendly tool for producing the HAND map using Python language which includes both manual and automatic procedures to extract drainage networks from a DEM.
As for Ld-Si-Ex metamaterial plate, the sensitivities of the first three bands around Γ point are all much higher than the rest parts, which demonstrates the values as well as the shapes of band structures in Ld-Si-Ex plate are more easily affected by thermal stresses.
The formation of carboaluminate hydrates is limited from 3days onwards for these blends, as shown in Fig. 12.
To illustrate this concept, a parametric study is conducted herein for studying the influence of the borehole density on the tunnel longitudinal performance prediction.
The seismic demand was reduced, since a smaller acceleration with respect to that of the ground was obtained.
This novel kind of silver coated NanoPCMs with enhanced thermal conductivity and mechanical strength will benefit their application in thermal energy storage, thermo-regulation, and slurries for cooling of electronic devices[44].
Prestressed concrete structures are commonly designed to satisfy stress and deflection serviceability limit states and to pass capacity checks to ensure that the structure is safe from collapse under ultimate limit states (Nawy 2005).
In this study, we focus on the transport and storage cost since the CO2 capture (where and how much) is fixed.
This paper presents an experimental study on the interfacial behavior of CFRP-steel double-lap joints subjected to salt fog spray or high relative humidity (RH) at the curing stage.
Zhang et al. [7] combined the autoregressive model and the GPR (Gaussian Process Regression) for the probabilistic wind speed predictions.
Their proposed model incorporates the effect of corrosion into the model for uncorroded confined concrete developed by Mander et al. (1988b).
These findings provide a new option for researchers to predict building energy usage and enrich the algorithms library of empirical modeling based building energy prediction.
Detailed servovalve models have been developed, for example, in Kim and Tsao,6 which have broader applicability.
The DES model produces acceptable results in some specific areas but underestimates most parts of the testing area.
After the construction of base slabs is completed, the next construction stage can be carried out.
The synchronization subspace plot is more straighten, and the NRMS error is 4.26%, which is lower than that from Figure 12.
The axial stress shows a similar distribution curve under WC-2, DR-2 and KB-2 shaking events, although the axial stress induced by KB-2 shaking event is slightly larger than that caused by DR-2 or KB-2 shaking event.
According to those experimental findings, some design guidelines were suggested.
The probability information and seismic reliability of the safety factor demonstrate that the results between the simulations considering unsoftening and softening behaviour of the rockfill materials become increasingly different as the earthquake intensifies, and strain-softening behaviour gradually appear under seismic excitation.
Subsequently, HOMER Pro optimizes the configuration of the energy system.
Thus, the fluid pressure acting on the tetrahedral elements is obtained.
More details about the soil profile can be found in Kelly et al. [2], Pineda et al. [3], and Li et al. [45].
This was expected as the concrete liner was slightly higher in elevation than the bare ground at this location.
Given the dislodgment of Ni would result in the reactivity loss of Fe/Ni BNPs, this could be one of the reasons for the decreased reactivity in TC removal by the aged Fe/Ni BNPs.
Thus, an exact numerical replication of the sound source is possible [4].
And the boundary condition is no-slip velocity boundary condition for the wall.
It results in a larger driving force at the bottom of the absorber which becomes significantly smaller towards the top of the absorber, as illustrated in Fig. 12.
However, as first order interaction indices (Sij) were rather small (<=2%), we mainly used expectations of E(y|xi) to narrow factor ranges.
According to Fig. 9(b), the increase of L/R ratios would reduce the deflection Wmn of the structure.
In the reliability analysis used in this study, three different levels of COV for (N1)60 are considered: 10%, 30% and 60%.
The aim of this project is to show to local authorities in Nepal and Bhutan the possibilities of EO products and services for disaster risk reduction and management in the Himalayas.
Among the many green building strategies that aim to reduce the energy consumption of an HVAC system, natural ventilation, which provides passive cooling and ventilation, is becoming increasingly popular [4], [5], [6], [7], [8], [9], [46].
The increment of effective modulus was 0.46% from the 90th cycle to the 100th cycle, and the total increment from the 10th cycle to the 100th cycle was only 1.9%.
Meanwhile, DMTA was also adopted to directly investigate adhesion between fibre and resin [26], [33], [34].
Eq. (3) is obtained by replacing the damage variable in Eq. (2) by φ(1h).
The positive strain values represent the tensile strains, while the negative values are for the compressive strains.
The control unstrengthened beam without stirrups failed suddenly after the formation of the diagonal crack, whereas the control unstrengthened beam with stirrups continued carrying load after the formation of the diagonal shear crack until yielding of stirrups resulted in beam failure.
After this step, model discretization has to be defined, regarding both space discretization in the horizontal (model grid) and vertical (Mls) planes and time discretization.
Van der Spek et al. (2016) employed the rate-based approach to post-combustion capture (PCC) modelling and compared the thermodynamic performance of a coal-fired power plant retrofitted with a PCC plant using AMP/PZ and MEA solvents, considering the same operating conditions.
Section 3 describes the computational settings and parameters for the CFD simulations.
In this study, a high-fidelity finite element model was developed to investigate the distribution of lateral stress using Abaqus (Meng and Khayat 2016; Bao et al. 2017a, b).
Alternatively, the model can be fitted with pumps to control the pressure of the backflowing water.
Variation of CO2 storage rate with time.
This finding is also confirmed by the results from Russo and Pauletta (2012), who obtain lower strength increase for full-scale specimens or specimens with larger bar diameters.
The performance of a GBT structural analysis involves two independent main tasks: (1) a cross-section analysis, concerning the determination/identification of the cross-section deformation modes and evaluation of the corresponding modal mechanical properties; and (2) a member analysis, which consists of solving the appropriate differential equilibrium equation system.
Select the target fixed-base period of vibration (Tfix).
This is because that the polar groups from emulsifier and wall prepolymer interact with the oxygen functional groups bonded on graphene oxide sheet, thus graphene oxide is wrapped into shell resin and emulsifier, and would hardly affect the encapsulation of core emulsion.
The influence of thermal experience on the occupants ' expectations regarding the indoor conditions, which can be short-term, due to the prevailing weather, or long-term, relate to the general climate they are used to [37].
The maximum damping ratio and corresponding optimum damping parameter grouping, which clearly demonstrates the increment of damping and decreasing of corresponding optimum damper constant as this case, was discussed by Krenk and Hgsberg10 and Duan.(4) When damper and mass are located by the two different cable ends, it is found that damper and mass do not affect each other.
As in other works,16, 19 the power delivered to storage is defined as the power extracted by the transducer minus the transmission losses in the transducer and power electronic circuitry in this paper.
Observations (Table 1) were taken at Wrest Park, Silsoe, Bedfordshire, U.K. (52.01088° N, 0.410979° W) using an uninhabited instrumented cube (height 6m).
Although the predictions of the properties of CNTRCs are important information, the major goal for the creation of these materials is their applications in actual structures.
The operation and capital cost benefits of SEGR on the PCC system have to be balanced against the additional costs associated to the CO2 transfer system.
At every timestep, the SIFs and growth computations are performed at fifty locations along the fracture tip.
Additional details regarding the development of the fragility functions can be found in Kameshwar and Padgett (2018).
Part of experimental work is shown in Fig. 1.
Worldwide, there is relatively advanced policy support for NZEBs in regions such as North America and the European Union.
Generally, maximum charge per delay is contributed by the bottom floor holes.
Indeed, several band-gaps can share a same location (see the color scale of Fig. 7), being especially true at the positions indicated by letters (e.g. Γ, X, M).
Shifts in the optimal agricultural area result from changes in the parameter values displayed on the model interface: market price of agricultural outputs; REDD + payments for avoided deforestation and promotion of natural regeneration; and, wage rates.
The inelastic hardening or softening behavior of the superstructure is described by means of a nonlinear constitutive law that provides an elastic response of the superstructure if Equation3 is satisfied and allows the assessment of the corresponding restoring force through Equation4.
Therefore, in the aftermath of the earthquake, service disruptions in KUKL 's water supply did not cause major problems to water access because households already had their alternative solutions.
Both turbulence models are able to provide acceptable results when compared to laboratory velocity measurements, and it was found that the LES model outperformed RANS when comparing the spatial distributions of the measured velocity data.
Where QActual is the actual groundwater inflow into tunnel in the effective discharge length (m3 s1 m); Qu is the groundwater inflow for unit length of tunnel (m3 s1); AJ (total) is the total aperture surface area of all joint set (m2) and Le is the effective discharge length under groundwater table (m).
It was shown that to prevent global buckling under large axial deformations, combined effects of axial force, P‐delta bending moments, and normal thrust due to local buckling of core must be considered in design.
This is known as the Urban Heat Island (UHI) effect and results in an increase in cooling energy consumption in urban areas [3,4].
Hourly electricity usage trend of Rinker Hall (October 2014).
Plot the Nc/Nr vs. the rubber fraction χ, as shown in Fig. 18.
By increasing the W/H, the relative displacement in the four distinct stages decreases significantly and the difference of the relative displacement above the coal pillar, above the solid coal and above the entry also decreases significantly.
Diaphragm design involves providing load paths through the floor system [Fig.9(a)] to carry the in-plane shear, flexure, and collector forces associated with diaphragm action (Moehle etal.
Furthermore, a comparison between GSV-based and 3D-GIS-based SVFs shows that the two SVF estimates are significantly correlated (R2=0.40, p<0.01) and show better agreement in high-density areas.
As shown in Fig. 5a, the slag paste displays a dull blue-green colour before exposure, which is similar to the colour reported for slag/cement blends [47].
In this model applied in the case of penetration of cement paste though porous medium, the penetration stops when the energy linked to the driving forces that generate the flow (the capillary suction, hydrostatic pressure, kinetic energy) is in equilibrium with the energy dissipated by friction on the surface of the particles.
The water pressures in the top 2 m during different irrigation steps are relatively identical, while they are different with those in non-irrigation steps.
Besides, slurry balanced shield machine (SPSM) is also not appropriate as the uneven crashed rocks could cause jam and damage to the delivery pipe.
Additionally, wind increases in magnitude as it flows across a lake.
Ren and Naito (2013) provide a comprehensive database of existing tests on precast diaphragm connectors.
Results reported in Table 4 make our main findings more robust.
In this study, we used n=0.012.
For drying methods, either SCD or IPA replacement drying can be used, depending on the objectives of the study.
The two subroutines are integrated into ABAQUS to implement thermal-mechanical coupled calculation, shown in Fig. 2(a).
Finally Figure 6C reports the fragility curve, as obtained by both methods.
These results indicate that RWMFs can enhance the performance of regular MFs in accordance with the requirements of prevailing codes of practice.
As intended, it successfully prevented formation of a weak-story mechanism even after rupture of the BRB, the structure 's primary source of energy dissipation.
Extremely small literature on the usage of long sisal fibre and fibre architecture such as mat, twill and weave configurations with thermoplastic resin are reported due to this limitation.
Additional support was provided by the Republic of Singapore 's National Research Foundation through a grant to the Berkeley Education Alliance for Research in Singapore (BEARS) for the Singapore-Berkeley Building Efficiency and Sustainability in the Tropics (SinBerBEST) Program.
For the sample 60C40D, it was calculated that approx.
Identify characteristics having a lack of supporting information and prioritize future research and development.
Based on the period-based ductility identified previously, for the isolated moment-resisting frames, the record-to-record uncertainty is βRTR=0.314 for the baseline design and βRTR=0.344 for the stronger frame design.
For example, Martin and Chandler4 determined the crack initiation threshold by calculating the crack volumetric strain of rocks, but Eberhardt et al.16 found that the crack volumetric strain method has a large dependence on elastic parameters such as the elastic modulus and Poisson 's ratio.
The protective action decision model put forth by Lindell and Perry (2012) presented a framework in which the perceptions of environmental threats, like natural disasters, directly influenced a household 's decision as to which protective action (if any) it decided to pursue.
It should be emphasized that cyclic loads from the train could deteriorate the mechanical properties of LWC.
The framework provided by Gallopin (2006) was modified to add constructs that are consistent with the characteristics of infrastructure systems.
The symmetrical and asymmetrical bending vibrations of CH3 are represented at 1379cm1[35].
Normalized bearing displacement vs. Π*μ and Tb/Tg: dispersion for Πωs = 3 (a), Πωs = 6 (b), Πωs = 9 (c) and Πωs = 12 (d) for different values of Πγ.
That is understandable because although the L-P method is capable of predicting the dispersion relation of plane waves, it fails to capture the evolution of wave packets in nonlinear AMs.
This lack of code provisions stems from the infrequent use of precast concrete historically in seismic design of bridges.
Surrounding soil is the media between the foundation pit and the buried pipeline.
At the same time, reducing the length-weighted variation of fiber length had an observable positive effect on the average strength and stiffness.
The frame beam presents a rotation deformation mode around its vertex, which means that the horizontal displacement at Point II-2 is larger than that of Point II-4.
The mixture was ground until the ethanol was almost evaporated.
Others have no limits on length or thermal movement.
For further demonstration, the first and the third natural frequencies are applied to detect the bridge damage.
Slight deterioration of vibration control performance is also observed at extreme mean wind speed (e.g., 40m/s), because of damping deviating from its optimal setting.
Finally, the economic performance of the retrofitted system is evaluated, and compared to that based on MEA.
Results of DSR test for BF-asphalt mastic with different fiber contents at 64-82°C: (a) Rutting factor and (b) Phase angle.
Synthetic seismic response signals have been consistently analysed as for a necessary condition validation.
This combination is regarded as a reasonable structure in seismic zone because the flexible structure at upper part can consume a large amount of seismic energy in earthquakes.
The cyclic configuration is able to achieve a high purity CO2 stream is based on a previous work (Grande and Rodrigues, 2008).
A negative sign represents a negative correlation in which an increase in the cause leads to a decrease in the effect, and vice versa.
In this method, every factor that could affect the result is classified, and the most unfavorable one is given the lowest grade.
Walls SQ2 and SQ2S experienced widespread diagonal cracking caused by the presence of concentrated reinforcement in the boundary zones.
For FRP RC sections, the effect of tension stiffening is more pronounced compared to conventional steel RC sections as a result of the lower elastic modulus of FRP bars (Bischoff 2005).
Hydrogen yield reached a stable level after approximately 50d operation, and then the assay of key enzyme activities was performed.
The third phase of the workflow is then to apply one or more ENA methods to the model parameter ensemble.
This includes how model stochasticity is taken into account, and the parameterisation of the selected optimisation algorithm.
The latter results can be extended to the case of imperfect contact on the interfaces by following the methodology in Guinovart-Díaz et al. (2013) for each structural level.
The International Energy Agency [9,10]; agrees with the notion that the current path is not sustainable in its three pillars: economic, social and environmental.
As mentioned earlier, the key feature of the proposed CNN-based damage detection technique is that the computational time and power required to classify the signals are significantly reduced.
However, both support vector machines and neural network algorithms are harder to tune than the more recent gradient boosting machine learning algorithm that is explored in this paper.
According to our simulations, price elasticity reaches the value of 0.88 when DCC is employed to estimate the water demand in locations exposed to IBR.
The stress amplitude of exceeding tensile strength is called demand capacity ratio (DCR), DCR=σt/fs, where σt is the calculated tensile stress and fs is the tensile strength.
This strengthening protects the joint from yield penetration and further improves the dissipative behavior of the specimen.
Damping has been increased from 0.38% of the uncontrolled case to 0.80% in the controlled case.
A major aim might specifically be public participation including a large number of laypeople, which might be best achieved exactly by gamification.
However, for conventional bolted connections, the residual drift was obtained as 1.89% at 3% interstory drift, which is beyond the DS3 performance level, indicating that the residual drift is sufficiently large that the structure may be in the danger of collapse.
The hollow-core columns had an identical inside diameter of 175mm.
In this model, the porous seepage in the rock matrix is represented by a real three-dimensional flow, rather than the equivalent approach [34], [68], [69] that the porous seepage in the rock matrix is represented by the fracture seepage in the unbroken joint elements.
Generally, the values of drift ratio prediction are less affected by the column axial stiffness compared with the shear force and moment.
The results demonstrate that the proposed method can effectively analyse nonlinear data trends, continuously monitor the wind turbine and reliably detect abnormal problems.
Sterile feed-water was prepared daily in 10L glass bottles.
Enlarged dowel used for beam-column hinged connection: (a) schematic view of the joint, (b) dowels prior to installation.
CO2 was injected into the reactor through a Bronkhorst Hightech mass flow controller (0.5NL/min, accuracy 0.1% FS) from a 2300mL storage cylinder.
For the sake of brevity, the CNTRC plate was assumed to be perfect and without foundation, unless otherwise specified.
The fineness modulus of sea sand is 2.39 and that of river sand is 1.86, indicating the sea sand is slightly coarser than the river sand.
Our contribution [1], was therefore intended to establish the properties of a tightly controlled MKPC formulation envelope suitable for UK radioactive waste streams, rather than for civil engineering applications.
The covered zone is surrounded by two rocks; red mudstone and green mudstone (shown as grey and green area, respectively, in Fig. 6, Fig. 7).
It can offer a sustained and effective reduction on the MSI.
Building permits data were collected for the period of 2years before the disasters for the affected counties to quantify the impact of changes in building permit issues on the amount of LCC.
The Annex 57 case studies present a range of different purposes for the individual studies.
As concluded, the maximum through roof heat gain flux was 54% lower for the PCM roof than the cool roof at a wide range of albedo, the maximum sensible heat flux 40% lower than the cool roof technology for varying albedo.
Thus, the theoretical potential exists for the manufacture of MgO from magnesium silicates in a relatively energy-efficient manner compared to making Portland clinkers from standard raw materials, and such a process in principle emits no raw-materials-derived CO2 at all, as the basic raw materials, magnesium silicates, contain no carbon.
One liter of demineralized water filtered through 0.8μm mixed cellulose ester filters was used as a model medium for this, and triplicate samples were processed and analyzed as described for raw wastewater.
Effect of solvosonication process on crystallite size and rutile content at different time durations.
The multipath effect has a significant impact on GPS monitoring, mainly in bridges, due to reflections of the satellite signals from structural elements (e.g., cables, tower, and truss) before reaching the GPS antenna, introducing noise or bias into the GPS time series.
Another analysis conducted by Ramazani et al. (2016) also found that boric acid has no substantial influence on the overall absorption rate.
To provide an accurate but simple model for engineers, the present model did not take the dynamic thermoregulation responses such as change rate of skin temperature and blood circulation etc. into account.
Some classical OSP methods12-17 have been successfully applied in many fields and verified by practical engineering.
This is due to the increased amine vaporization associated with an increase in TFG (Fig. 10, Fig. 11).
This Figure shows that the predicted settlements deviate significantly from the field measurements, whereas the predictions for the pore pressures are quite close to the observations.
Each column of the matrix is associated with one meteorological variable and contains the variable 's historical values for one year with a time-step of 15 min (35,040 historical values).
In this study, PCE surfactants are added 20min after the contact of cement and water.
However, in the present study, for the sake of simplicity, both drain systems were assumed to exhibit a similar drainage behavior and thus were modeled in a uniform manner.
Possibility of investigating wide portion of the building fabric, also thanks to the possibility of integrating the IR cameras on drones.
B.1 and B.2, for SEGR in parallel and SEGR in series respectively.
When the HRT in cathode chamber was extended from 15 to 60min, COD removal loading rate increased from 19.5±2.1 to 27.5±1.4mgL1 h1 while the CE decreased from 75% to 41% (Fig. 3B).
Similar result was obtained for the conditions at Ta28RH65%C12000, but the difference was statistically significant between the CO2 levels of 12,000 and 8000ppm when RH was 85%.
Among the investigated oxidation methods, ozonation has been most intensively investigated.
The fold angle is defined through the adjoining triangular facets.
The half‐power method for estimation of system damping proved to be quite accurate for flexible structures, while it overestimates to some degree the system damping for stiffer structures.
Abusharar et al. (2009) reported similar phenomena, that the upper soil experienced heave and the lower portion settled around multicolumn composite foundations.
It is clearly that the layers beneath those being printed are compressed due to their stiffness is not high enough to sustain the weight of subsequent layers.
The MWCNTs significantly influenced the adsorption of SDBS by sediment.
The main reason why the formulation presented herein shows such small errors is because clamping forces are estimated without the assumption of limit equilibrium.
One should be always cautious to interpret the dynamic pore structure of cement-based material from water vapor sorption isotherms.
These techniques have allowed the measurements of parameters at spatial resolutions between submillimeter and millimeter scales, although the time required for analysis ranges from several hours to days (Ding et al., 2015, Santner et al., 2015).
It involves not only the deformation of a solid under the effect of fluid pressure but also the fracturing of the solid.
At 10% CR replacement the MOE has increased by 1.2% and decreased by 41.9% and 45.3% for 20% and 30% CR, respectively.
Specifically, in the EIO-LCA model, the sector-level interdependencies are quantified by a direct requirement matrix A, defining the dollar value of outputs required from the direct supplier sectors to produce the final demand y of goods.
Two additional pullout specimens were tested under lower sustained loads, namely 3 and 4 kN.
The procedure included the evaluation of reflected flux by using a foil of rough aluminum.
CO2 captured is compressed and pumped to 110bar in three compression stages followed by pumping as described in EBTF (2011).
Furthermore, GPUs have the advantage of being cost-effective, high-volume products, whose continuous development and improvement are driven by the needs of the fast-evolving video-gaming industry and, as of late, bitcoin mining and artificial intelligence applications.
In a system with strong seasonal patterns like California, the day of the year is often a proxy for wet/dry conditions.
In order to evaluate the applicability of curved pipe jacking force prediction models, a thorough literature review of calculation methods has been performed in this paper.
The FRCM-strengthened beams endured more load cycles than those endured by their unstrengthened benchmarks but could not restore the original fatigue life of the virgin beam.
The internal model‐based repetitive control paradigm provides an efficient framework for rejecting periodic disturbances in AVC systems.
The reaction was incomplete: portlandite remained in significant amounts after carbonation.
The elasticity-based model used by Kumar et al.26 fits the general tendency of permeability variation, however, it underestimated peak permeability at the highest gas pressure, as denoted '★ ' in Fig. 7.
The adsorption rate is around 225mg/g between conventional PCE with PEO side chains (45PC2.5 in [37]) and Na+ montmorillonite clay.
To determine the configuration of the restrainers, two scenarios are considered in this study.
These amines are divided into three categories: primary, secondary, and tertiary amines depending on the number of hydrogen atoms that are attach to the nitrogen atom.
Anderson et al. (2015) discuss in detail the potential applications of such tools, while Singh (2014) presents a review on the use of numerical groundwater models for managing the groundwater resource.
Distribution of synthetic measurement points (X=1.=1D).
The above results are consistent with the theoretical analyses detailed in Sections 3 and 4.
The CNF used in this study is provided by Pyrograf Products, with a type number PR-24-XT-PS.
A major concern in retrofitting structures with FRP composites is the debonding of FRP sheets off the concrete substrate.
Comparison of bending moment time histories on the element 262 (frame X) and 218 (frame Y) for the three design solutions.
Fig. 3 shows the forecasting structure of the datasets of each unit.
The vibration characteristics of submerged structure are affected by the virtual mass associated with the inertia force of the fluid as it also vibrates along with the structure.
The best fitting between the predictions and the observations is the only concern in said determination.
A comprehensive parametric study on two major parameters, namely, inertance and damping coefficients, are conducted using analytical and numerical approaches.
Fig. 7 shows the schematic section of the tested CLT panel and the details of the screwed connection.
In electrochemical activation of persulfates at BDD anode process, only HO was generated from electrochemical activation of persulfates.
Fig. 12a indicates that the accuracy of the predicted settlements over 350-974 days using the multi-type monitoring data is worse than that for the case where only monitored settlements are used (Fig. 8).
According to the identified parameters shown in Table 4, the uncertainty regarding predictions of vertical strain can be evaluated.
In contrast, the probabilistic approach focuses on calculating the probability distribution of uncertain parameters.
The usage of PV system will permit to confine the conditioned air just around each occupant separately thus allowing for considerable energy saving.
All experimental parameters of these cells are listed in Table 3.
The landslide impacts produced a seismic shaking intensity of ML=2.3 (Fan et al., 2017b).
Fig. 13 shows a comparison of the simulation results.
At the same time, the energy used for ceiling fans represented no more than 1% of the total energy consumption.
Under this scenario, blast-created tensile failure will persist into the vicinity of the tunnel profile in addition to a wider range of compression-shear damage.
The performance of the prepared formulations was analyzed at different durations by compressive strength testing and water absorption measurements.
Data on establishment count, construction contributions, average weekly wages, and employment level were collected from the BLS and data on building permits were collected from the US Census Bureau.
In addition, a conventional land use regression (LUR) model has been used to predict the NO2 concentration, and compare the prediction ability of the ANFIS and multiple regression, which is mostly used in conventional LUR models.
Let us now consider the single edge-notched beams under proportional loading reported by Arrea and Ingraffea (1982).
The following section provides some examples on how this may be done.
It is observed that generally SSI increases the inelastic displacement ratios with exception of very short period structures.
The chosen kinematics is no longer able to properly describe, in a continuous way, the actual kinematics of the central region of the pantograph.
Under these assumptions, it is clear that the first 2 modes, (1) and (2), should be taken into account by the interface springs, mode (3) should be described by brick springs, and (4) is combined mechanisms involving both interface and brick springs.
Intermediate crack (IC) debonding is one of the most dominant failure modes associated with reinforced concrete beams strengthened with fiber-reinforced polymer (FRP) plates.
Following the design philosophy in Eurocode 8, FRP flexural strengthening of columns, as well as confinement and shear strengthening, were applied to attain a strong-column/weak-beam mechanism.
This visualization might help in building the end user understanding of skill scores, given that they are presented along with the actual past forecasts and occurrences of the event.
The e-factor quantity, ranging from 0 to 100%, is used to quantify the sampling efficiency, whereas the p-factor and r-factor quantify the goodness of prediction uncertainty, i.e., closeness of the p-factor to 100% (i.e., all observations bracketed by the prediction uncertainty) and r-factor to 0 (i.e., achievement of rather small uncertainty band).
The fracture mechanism associated with SCA in single and multiple holes was explored to improve the extraction efficiency of CBM by investigating the optimum layout of the boreholes.
This paper is presented and recommended by 5th International Conference on Nuclear and Renewable Energy Resources.
Other chemicals of analytical grade were purchased from Sinopharm Chemical Reagent Co.Ltd., China.
In the BIS+nontraditional TMD, whose relevant design graphs are depicted in Figure10, the optimal frequency ratio νt for fixed damping and mass ratios ζt, μt, respectively, is identified.
Module 1 aims to compare the prediction performance of different learning algorithms, i.e., RT, SVR, and RF.
This is why only approach D in this paper, "MOMS," has a significant theoretical potential to produce truly carbon-negative concretes.
In fact, with an increase in temperature, the DC value will reduce owing to the fact that the higher temperature will help the evaporation of water from the surface of the concrete.
When the pit depth is 6m, the axial strain of the pipeline is about zero.
Compared to the conventional A/C system, the proposed A/C system achieved an on-peak and per day average energy savings potential of 36%~58% and 24%~51%, respectively, for year round operation.
Rock burst forecasting is a two-class prediction problem (Li and Jimenez, 2018), so that there are four possible situations, which can be conveniently recorded as the confusion matrix (see Table 2).
Within austenitic grains, the stress-free shear strains can be accommodated by a favorable arrangement of both variants.
In various applications involving radiation shielding by concrete, it is important to verify the homogeneity of the concrete to ensure adequate shielding performance.
Differences in u, k, τij and ωij, between considered models and measured ADV profiles.
The resistance of mucky clay is smallest in range of 0.22–1.28kPa.
First, a sufficient but unnecessary condition is given for low sensitivity to be large uncertainty.
In this section, an illustrative case study will be presented to demonstrate the reinforcement mechanics of the energy-absorbing rock bolt in tunneling.
Three papers present cable damage detection methods and evaluation.
This is not in agreement with the literature, where it was reported that a lower Mg/Al ratio results in an increased uptake of chloride ions in the interlayer of hydrotalcite [16].
This method is adopted to analyze the influence of environmental factors on window-opening behavior in this study.
In addition, L/G ratio was kept constant to a value of around 1.04kg/Sm3 by a ramp up of rich solvent flow rate; refer to Fig. 9b.
Linear sweep voltammetries (LSV) at different RDE rotation speeds (200-500-900-1600-2400-3600 rpm) were recorded at 5 mV s1 from 1.2 to 0.0 V vs RHE in the O2-saturated electrolyte.
Monitoring results of MEWMA chart under normal operating conditions.
Calcareous sand is a biogenic material that shares many physico-chemical characteristics with calcium-based bio-cementation; accordingly, the potential for natural efficiencies between the carbonate crystal-particle interface strength may be significant.
Temperature ranging from 4 to 35 °C has been tested and their effect on the composition and growth of algae has been studied.
Goldwater (1990) observed an increase in undrained shear strength with depth (Fig. 11) for the upper 2m of a loess profile at Allendale, Banks Peninsula (Fig. 1).
The rotatory degrees of freedom of friction plates in FEM-1 were restrained.
In addition, the actual grains are not perfectly spherical which may result in more contacts with the nearby grains.
For the accurate evaluation of the fire response of NSC and HSC columns with different fiber combinations in concrete, temperature-dependent thermal and mechanical properties of fiber-reinforced concrete (with steel or polypropylene or hybrid fibers) as well are to be incorporated in the numerical model.
A slope stability analysis ignoring the spatial variability of shear strength parameters can only produce an overall failure.
Nevertheless, with the increase of polymerization degree of ProS, the protein associated bonds (such as CONH, CO, NC, NH) increased, while the polysaccharide associated bonds (such as COC, COH, OCOH) decreased.
As shown in Fig. 3, the stress-strain curve given by the PFC2D simulation matches the lab data for compressive stresses less than 25MPa.
Specific cases can be modelled using this method.
The continuous exploration of new gas reserves along with the increase in the global power demand necessitates the development of less demanding technologies, such that the treatment process can be accomplished at a minimized cost.
Simplifications have been adopted in order to find analytical solutions, such as: planarity, infinite stiffness, limit equilibrium and persistency, among others.
Several problems that have closed-form solutions and a 3D fracturing problem are given to verify the model.
We used a fiber-scale numerical model and reconstruction algorithm to address this question.
The results indicate that the electrical resistivity of concrete remains low and relatively constant in the range of 100–70% pore saturation.
This section presents a summary of the main interior damage estimation developments within vulnerability methodologies.
To reduce concentration polarization and prevent cake layer formation, mixing was provided by a stirrer running at 250rpm.
It, therefore, seems that efficient retrofitting techniques need to be developed for proper confinement of corner joints.
DSC analysis shows that the supercooling degree between FA and FA/WF composite form-stable PCMs almost same and still low.
To improve the algorithm efficiency and reduce redundancy information simultaneously, a hybrid optimization algorithm (HOA) including OSP and grids updating is proposed based on the combined fitness functions.
A solvent with fast reaction kinetics will reduce the size and operating cost of the absorber, and a solvent with high cyclic capacity will reduce the sensible heat loss and the size of the cross heat exchanger.
Other detailed formulation of this finite difference approach was described in Ref.
Centrifuge experiments were performed to evaluate the influence of ground densification on building response when founded on liquefiable soils.
The pore structure is filled by the FAM particles with small size to form a more compact pore structure.
GWP reduction percentage calculated by the authors.
In the GA optimization routine, the population size was set to be at least 20~30 times the number of design variables, while the number of generations was 50~100 depending on the population size.
This response weakens slightly the accuracy of the assumption of a rigid frame rocking rotation, on which the development of the new racking ratios, R, is actually relied (see Section 7).
The critical buckling load of VAT panels can be improved significantly when CTS plies are used and optimized (Liu, Butler, 2013, Groh, Weaver, 2014).
Most of the PBSD approaches are based on the direct displacement-based design (DDBD) approach developed by Priestley et al. (2007), i.e., the aim of seismic design is to limit the deformations of a structure to acceptable levels under design earthquakes (Billah and Alam 2016).
Spatially explicit biophysical and anthropogenic factors correlated with tropical deforestation are well discussed in the literature (e.g., Geist and Lambin, 2002, Müller et al., 2012, Pfaff, 1999) and are often key components of land-use/cover change (LUCC) simulation models (Eastman, 2015, Soares-Filho et al., 2002).
First, period of soil-structure system is greater than the fixed one and second, considering SSI increases the effective damping ratio of soil-structure system because of radiation and material damping of soil beneath the structure [7].
In this case study, we employ the UD method in the filter step presented in Equation3.
Each type of module is subjected to two different mechanical modes of deformation, bending and torsion, of several thousand cycles per module using a purpose-built robotic device.
After the force phase, the axial force returns back and vibrates around its initial level.
Bolt pretension to achieve composite action was deemed necessary as the global stability index δ/δ0 exceeds the code recommended limit when restrainer is assumed noncomposite.
The authors would like to thank the Ministry of Education (MOE) of Malaysia for granting the project under code PRGS/1/13/TK03/UTP/02/02.
The promotion of the hydration reaction by the SAP-based IC is effective during the deceleration period of cement hydration [83].
Future analyses could be performed examining even more than ten configurations for each VBP considered, in order to achieve better statistically based results.
The Earthquake Commission (EQC), owned by the Crown, provides natural disaster insurance for residential property, assesses the damages to residential buildings and land, and manages the insurance claims of the affected people in greater Christchurch (Johnson and Mamula-Seadon 2014).
However, the previous models, in spite of their simpler form, have significant errors for the tested siliceous-carbonate sand.
It was concluded that the collapse of underground structures originated from the poor ductility of columns at high normalized force state.
Almeida et al. (2015) studied the effectiveness of carbon FRCM to strengthen shear critical masonry panels and reported a shear strength increment of 230%, with the resulting failure due to delamination of the FRCM layer.
The developed SF/(CA-PA) composite successfully prevented the leaking of the PCM at the operating temperature.
This is consistent with the observation that FRLWC helps the stress to attenuate with depth.
The drilling for JK-A cavern began in October and was completed in November 2003, about 58days.
They are combined with SN/DTSS transmission stations to acquire and transmit MS signals via electric transmission lines to the surface SP/DTSS receiving system and the ARAMIS.REJ recording system (see Fig. 8).
The thickness of underground continuous wall is 0.85m, the total length is 18m, and depth under the pit is 10m.
Non-active BDD thin-film electrodes have been established as the best anodes for the production of physisorbed M(OH) from reaction (2) (Caizares et al., 2005, Flox et al., 2006, zcan et al., 2008).
The lateral load resisting system consists of special SWs with the length of 32 ft (9.75 m) at the building perimeter.
The open loop tests are shown for 48h of testing from July 21 to July 23.
A 0.4-m thick weathered rock layer laid on the surface of rock slope, and the soil deposit was covering on the weathered rock layer.
The ultimate load factor in FDEM analysis differs depending on the mesh refinement, because the mass in the presented numerical model is concentrated in the nodes of the finite elements, and the increase in the number of nodes increases the approximation of the momentum of inertia of blocks.
In this study, a and b are approximated as 0.246 and 0.08415 [53].
Fig. 15 shows the effect of COV[κ, λ, e0] on the settlement prediction based on the posterior mean parameters using monitored settlements from 0 to 496 days.
Not until then did the tribal community review the reports published in 2007 and 2013.
Fig. 7(a) represents an unreinforced specimen (S0), where it can be clearly noticed that the cracks begins at the notch edges of the flange, develops until the tension failure of the remained plastic zone.
According to Eq. (13), the allowed undersampling frequencies are calculated and listed in Table 1.
To overcome this drawback, the adopted method allows also identification of the type of fault by using univariate EWMA based on current and voltage indicators.
Source: Reprinted from Ebead et al. (2016), (c) ASCE.
However, the influence of FE grids on OSP is not neglected, which has not been studied deeply before.
The maximum excavation-induced tunnel displacement approached or exceeded the allowable movement limit.
The environmental conditions (light intensity, DO and pH) in the water were measured on site on the 1st, 5th, 15th, 20th, 44th and 70th days to a 3-h scale.
For which concerns the IP response (Fig.16a), it is observed that the behaviour of the three specimens, that are equal for workmanship and nominal geometric and mechanical properties, is actually very similar, especially for positive loads/displacements.
The peaks for Ti and O for the EDAX results confirmed that the particles were TiO2.
The crack is fully frictional with a coefficient of friction μ=0.10.
Clostridium butyricum CGS5 utilized acid hydrolysed C. vulgaris ESP6 biomass in dark fermentation with a cumulative hydrogen production of 1276 ml L1, a H2 production rate of 240 ml L1 h1, and a H2 yield of 0.94 mol/mol sugar.
If not properly designed, the application of an SMA restrainer in an isolated bridge may decrease the expected performance.
Rotation period of impeller is T, and time step △t is chosen to be T/320, T/160 and T/80.
The terrace is located at the confluence of the Huangshui River and Yellow River (Fig. 1).
These meet the energy and strength based criteria with a wider margin.
Because of the significant mass amplification effect of inertance, inerter‐based devices are mainly applied in tuned mass damper (TMD) systems to improve the performance of traditional TMDs.
Note that identification of the appropriate bivariate distribution model from the 64 candidate models using limited c′ and′ data is a challenging task in geotechnical practice.
Moreover, the FWS coupled with FAHP was proposed to quantify the weight uncertainties as probability distributions with interval constraints.
Coral reefs and other calcareous deposits may experience various types of significant dynamic loading, such as those from waves and earthquakes.
A typical millisecond-delay blasting sequence is arranged on the full blasting work face for tunnel excavation.
This analysis then informed a bridge reliability assessment, which incorporated both bridge accessibility and structural fragility, to infer the safety and longevity of transportation infrastructure susceptible to extreme storm events in a changing climate and coastal landscape.
To apply machine learning techniques, the entire database mentioned in Section 2 is divided randomly into training set and test set.
Immediately following this, acceleration and velocity response begin to move in different directions.
Description and generalization of the study site (Tetra Tech, Inc., 2005): (a) site location, Lower Charles River Basin; (b) modeled grid of the study site in the curvilinear orthogonal coordinate system; (c) grid transformation to the Cartesian coordinate system.
A significant increase in the OOP strength of reinforced specimens, which was nearly 5 times that observed for the reference unreinforced specimen, was observed.
Other physical realisations of inerters have been proposed as well.
A new signal was then produced by mixing these two signals.
This study was financially supported by the project of NSFC (51508178, and 51521006).
Database 1 includes a total of 1133 samples of high-performance concrete with one output variable and eight quantitative input variables.
This technique uses bootstrapping and k-nearest neighbor to synthetically create additional observations of the event.
With continued fire exposure, cracks developed in the insulation and the epoxy resin was burnt-off, and thus the temperatures of internal concrete, rebars and fibers ascended quickly.
Correlation between PSHs and tensile strain capacity.
Kaiser (2012)) reported that rock failure can be triggered by both remote seismic events and self-initiation.
The some of the studied seismic precursors are radongas emission from soil, atmospheric vertical electric field and ionospheric variations.
The main roof periodic weighting arrived when the face had advanced 38.8m.
While not an exhaustive description of the opportunities for Data Science in Environmental Science applications, a wide perspective in the area is provided.
Sensitivity rankings of SRRC for BED of the apartment building.
However, mechanistic understanding is still lacking, not allowing us to deduce a quantitative model in the case of blended cements, particularly because we do not know well how these binders age [19].
Contrarily, the RC column sustained the DE and MCE but displayed significant damage in the form of rebar fracture at 140% of the DE, and the column lost 20.6% of its capacity at 200% of the DE, corresponding to 4.8% drift.
This approach is useful in the engineering practice; engineers can adopt the present probabilistic method to identify the most suitable model and its associated model parameters for a given soft soil for the prediction of long-term creep behavior.
The analysis results of VMD are also generally more preferred for convergence over the modulation components.
However, the peak in temperature Ta3 in the absorber column happened after around 33min, which is a longer delay than capture rate.
With these characteristics, a large amount of heat is absorbed during vaporization (Qin et al., 2016).
The same comparison is made between the buildings with different design code levels and the results are presented in Fig.12(b).
Taking rainstorms and floods in 2016 as an example of the merge process, Table2 shows three hazard news items that represented the same hazard event.
From Figure11a, it can be seen that for every damping ratio of the TMD ζs, the acceleration ratio gets its maximum when the TMD frequency ratio γ=1.0.
Exposure to ambient air pollution is a major environmental risk factor associated with adverse health effects (Forouzanfar et al., 2015).
More recently, Tung (2017) used the Galerkin method to analyze the nonlinear stability of thin CNTRC plates resting on Pasternak foundations under thermal loadings, including various degrees of in-plane edge restraints.
For this reason they do not have distinctive features.
Besides common experimental mistakes, there are other pending issues and inherent measurement difficulties: sampling effects, non-linear fluid flow, counter electromotive flow, fines migration, changes in pore fluid chemistry, bio-activity, the effect of shear, and the inherent changes in effective stress and void ratio associated with an imposed pressure gradient.
Indeed, a section model vibrating in still air inevitably disturbs the surrounding flow field, and the disturbed flow field inversely influences the vibration of the section model.
Impact surfaces were created for all materials used.
A study on using 1-D Convolutional Neural Networks for detecting the structural damage has been conducted in 2017 [22].
The Heifangtai terrace, located in the loess area in Gansu Province (China) is well known for developing a large number of landslides induced by agricultural irrigation.
It can be initiated under different forms: concentrated leak erosion, backward erosion, soil contact erosion, and suffusion [2].
Instead the crack grew directly through the solid part as shown in Fig. 16c.
Even if 50% of PVA fibers are replaced by recycled PET fibers, the composites still show acceptable crack control ability.
The following sections will present the data generation process based on the baseline finite element model for network training and validation, the architecture design of the Autoencoder based framework and ANN, and the investigation of using the vibration characteristics from the damaged laboratory model for damage identification with the proposed approach and ANN.
In addition, the plastic hinge in the joints was seen to be relocated away from the column interface.
Upon completion of the original ASHRAE research project, the research team made the database accessible to the global thermal comfort research community via the internet.
Abridged general view for a randomly numerical method.
The buildup of media deposited from the domestic wastewater on the valve appurtenances (particularly on the gate hinges, float, and O-ring) prevents the valve from closing completely or forming a proper seal.
Hence, multi-chain MCMC methods have been used to improve sampling and searching capabilities, as well as to prevent premature convergence (i.e., being trapped in local optimum) in high-dimensional parameter spaces (Vrugt et al., 2009).
The equivalent frequency is naturally assumed with the duration of the clutching cycle and is validated by using numerical results under harmonic excitation.
The K30 sensors were calibrated by the manufacturer and compared in-house to the LI-7500 in both a constant concentration test, and a decay from the sensor upper limit (10,000ppm) before and after the field campaign.
In addition to the aforementioned computational parameters, two physical parameters-the aspect ratio (AR; building height to street width) and the release rate of tracer gas-are also important in studies of pollutant dispersion in building arrays and thus require examination.
Simulation model for gas drainage in a borehole drilled in coal reservoir.
In the first step, based on the experimental results, steel material properties were defined in the ANSYS software.
Further, the mass amplification mechanism in inerter systems can be achieved through the rack-gear mechanism [2], ball-screw mechanism [16], hydraulic mechanism [2], and other such mechanisms.
Fragility curves and the probabilities are determined for each DM under different earthquake intensities.
Hence, we could conclude that the EG/eutectic composites possessed good form-stability when the EG content is higher than 2 wt%.
The vibration-reduction effect is different under different seismic inputs.
Prior to testing, a small contact load of 5 N was applied, and then the test was initiated and the load-displacement data were recorded.
Results showed that the new developed model has the best correlation for all stations.
The addition of VMA in ECC mixtures with low-cost type-C PVA fibers improves the dispersion of the fibers in ECC, therefore increase the tensile strain capacity, strength and material consistency of resultant ECC mixtures.
Blast data for Bansra coal mine, India (VPPV vs. scaled distance).
While the glass fiber/epoxy composite material allows us to make general observations about the fracture path, 3D printing allows us to have better control on the geometry and placement of the fibers (e.g. in particular, d and γ), which is ideal for the parametric analysis presented in this work.
In agreement with the sensitivity indexes shown in Figure 9, it is observed that the mean maximum impact impulse exhibits higher variability when it is conditioned on m2/m1 and on ω2/ω1 especially in the vicinity of ω2/ω1=1.
In the 1990s, Brager and de Dear [18,19] introduced the expectation concept into thermal comfort research field as a psychological adapting approach explaining why people are more accepting of the wider ranges of thermal conditions in naturally ventilated building environments.
Furthermore, recent research has argued that the reconstruction processes can be seen as a transitional phase between the short-term response and rehabilitation phase and the longer-term recovery (Blackman etal.
To facilitate recovery, Taiwan 's cabinet approved a 2.9billion USD special budget, and on August 15, 2009, passed the Morakot Postdisaster Reconstruction Special Act (hereafter MPDR Special Act), which created the MPDR Council, effective for 5years, from August 29, 2009 through August 29, 2014.
With this adjustment for the weights of influential factors, construction suitability evaluation map is shown as Fig. 16 and volume calculation outcomes are presented as Tables 1b and 2b.
Ts and Ky can be commonly expressed as a function of slope properties.
The global response parameter chosen for checking exceedance of LSs is the peak interstorey drift θmax.
The general flowchart followed in this study as shown in Fig. 1.
In this context, the notion of WUI has to be redefined, taking into account the related rural-urban process and the changes of the landscape.
The fibers, both with solid and open cross-sections, are visible in the thickness profile (Fig. 8b).
Thus, the comparison shows the accuracy of QNM test.
The chord length measured in this study lies in the range of 1 to 1000μm.
Methyldiethanolamine (MDEA), which is a hybrid of MEA and DEA, has low heat of reaction as well as improved CO2 loading capacity and higher degradation resistance.
The PSW replaces the bottom part of a piece of shear wall, while the upper RCW will be designed according to the current seismic design code according to the seismic demands obtained from the overall design procedure.
Because of these adsorptions, the amount of PCE adsorbed on the surface of cement particles would be cut down.
The analytical expression obtained for the IN behavior is general and contains the CP and SW models as special cases.
The inhomogeneous elastodynamic Navier-Lame equations were expressed as a system of wave equations in terms of unknown scalar and vector solution potentials, Φ,and known scalar and vector excitation potentials, A*,.
The pressure difference between the blade pressure side (PS) and suction side (SS) was found to be the main cause for the leakage jet flow in a turbomachinery by using large eddy simulation (LES).
Neutron tomography of a concrete core.
The effective axial length of the piston is 120mm, the cross-sectional area of the piston head is 22,862mm2, the gap width between the piston and cylinder is 1.5mm or 3mm, and the internal diameter of the cylinder is 206mm or 209mm.
This behavior was not apparent during static bending tests, and whether this change in failure mode is due to the loading duration and energy imparted on the element is not entirely clear.
Governing equations of the double speed RSA.
In September 2011, it set up the stronger Christchurch infrastructure rebuild team (SCIRT 2017), a consortium of government agencies (CERA, the Christchurch City Council and the New Zealand Transport Agency) and five nominated repair companies (City Care, Downer, Fletcher, Fulton Hogan, and McConnell Dowell).
The supernatant containing the soluble EPS was decanted from the resolved cell pellet and aliquots were obtained from the extracellular fraction for measurement of total organic carbon (TOC) (TOC-L, Shimadzu, Japan) and EPS analysis (Polysaccharide, Protein, eDNA).
The guest co-editors hope that this work will spark a discussion within the Environmental Modelling & Software community around how and where Data Science fits within the broad spectrum of methods and techniques employed for solving environmental challenges.
The application scope and resolution ratio of infrared thermal imaging monitor are 253-523K and 60×80 pixels, respectively.
The bottles were sealed with parafilm and cured for another four months at the respective temperatures.
These comparisons with the FEM demonstrate that the modified PSBFEM is accurate.
Ratio of buckling capacity to maximum compressive load,, was 1.9.
When no apparent weak zone exists, the failure mode of a slope is an overall failure.
The Cambrian Neelum/Jura granite is intruded in the Tanol Formation.
Fracture evolution morphology on top surface of specimen # 4 at different times.
Since then, in the damage modeling of concrete the PNP of a specific second-order tensor, e.g., the strain (Simó, Ju, 1987, Ju, 1989), the nominal stress (Yazdani, Schreyer, 1990, Hansen, Schreyer, 1994, Hansen, Schreyer, 1995, Lubarda, Krajcinovic, Mastilovic, 1994) and the effective stress (Cervera, Oliver, Faria, 1995, Faria, Oliver, Cervera, 1998, Wu, Li, Faria, 2006, Abu Al-Rub, Kim, 2010, Grassl, Xenos, Nystrm, Rempling, Gylltoft, 2013), etc., has been the standard strategy.
After a total of seven months of curing, the bottles were stored at 20°C for two weeks before starting exposure at 20°C.
One liter of raw wastewater was subsampled at each WWTP and shipped for MP analysis.
Results in this study also show that 0.5% of nanoclay addition is enough to increases thixotropy to a high value for any PCE addition case.
Flood risk maps developed in the current study will help the responsible authorities to better understand the flooding pattern in the floodplain.
On the contrary, machine learning approach is considered as a "black-box" method since the learning process relies on establishing an empirical model to generalize mapping relationship between input and output.
On the basis of the EBSD measurement, no statements can be made about the substructure in the martensitic areas, since the resolution is too small.
Fig. 4a shows the FT-IR spectra of paraffin, TiO2, paraffin@TiO2 and paraffin@TiO2/GO.
However, the DLO results satisfy the equilibrium and compatibility requirements and show excellent agreement with the more rigorous solutions of Georgiadis [7].
Compared with the progressive failure in numerical static indirect tensile test (Fig. 13), the fatigue progressive failure of FBD specimen in numerical cyclic tensile test occurs more suddenly without obvious preceding signs.
At roughly 573°C, quartz has a phase transformation from α phase to β phase,34 which can be used to explain the variation of mechanical and physical properties.
Under the effects of several freeze-thaw cycles, fractures develop into a fracture network connecting multiple layers with repeated stress loading.
The threshold h can be determined via simulation for a given probability of false alarm[34].
However, since each individual axle could produce a significant stress range at this detail due to the out-of-plane bending, the fatigue loading cycles were dependent on the total number of loading axle at this detail.
JK-A cavern had a large-span flat roof.
Rather than advancing on the two-dimensional models developed in the 1970s, Comitis et al. (1994) extended the one-dimensional mathematical model developed by de Ris to account for transient fire propagation.
Exfoliated graphite was prepared according to a reported chemical oxidation technique using flake graphite [32], [33].
Finally, model D which included all spatial and spatiotemporal variables had the best performance across ANFIS runs with lowest RMSE and highest R2.
Software simulations regarding microclimatic and outdoor thermal comfort conditions are performed for the daytime period 06.00-20.00 (14 h) at the height of 1.8 m from the ground.
As the operative temperature in the classroom increased, the students ' propensity to rely on active environmental remediation with air-conditioning, followed by fans, was significantly stronger than the passive other thermal adaptation options like windows, blinds, and clothing adjustment.
Other authors have also described the new profile of a data scientist and the specific skills required to do Data Science properly (e.g., Sooraij Shah, 2013).
Higher Na2O content paste mixtures produce an environment with higher pH that can lead to extensive dissolution of slag grains [32].
The information of the tested fault bearing.
The other two specimens belong with external campaigns not previously considered.
When other sources of silicates and alumina are modeled, such as using calcined clay as an input, the mitigation potential for alkali-activated materials drops.
Ignoring the stress concentration due to edge of the sleepers, the maximum sleeper-ballast contact pressure obtained at the location of rail seat load.
At point A, particle 2823 pushes up particle 2507 and gradually takes over the new position.
Given that the amounts of clay minerals (illite, some interlayered illite/smectite, kaolinite and chlorite) in the basal loess are only slightly more than those present in the top (Table 2), the differences in the geotechnical properties of the top and basal loess are probably not associated with these minerals.
During injection, CO2 will reach the formation at lower temperatures than the reservoir, and so numerical models of injection should capture the effects of temperature contrast in addition to the fluid pressure increase (Vilarrasa et al., 2014).
It is therefore important to characterise the source and fate of pharmaceuticals in the aquatic environment to aid in risk assessment as approaches evaluating potential adverse effect concentrations emerge.
This study is partially supported by the University Grants Council of Hong Kong through a Collaborative Research Fund (CRF) Project C6012-15G.
These tests investigated the potential tradeoffs of ground densification and the influence of soil‐mitigation‐foundation‐structure interaction on performance measures of interest to both geotechnical and structural engineers (eg, foundation settlement, tilt, interstory drifts in structure, and moment‐rotation of fuses).
Stability factors of slope subjected to water drawdown (γ=20kN/m3, β=60°, φ′=34°, B/H=5.0, and uauw=140kPa).
The load range of beams FCS-4P-I and FCS-4P-II was 17%-47% of their load-carrying capacities.
In order to alleviate the frost heave around chilled gas pipeline, Svec et al. [13] proposed a method of heating soils by cables under pipe 's thermal insulation slab, and verified this idea through an experiment.
In the US the materials were given the name fabric reinforced cementitious matrix (FRCM) systems; a possible problem in this term is that the matrix may not be cementitious (e.g.,hydraulic lime).
In this section, asphalt concrete was modeled as a three-phase heterogeneous material including fine aggregate matrix, aggregates, and air voids.
Based on sensitivity analyses of the artificial neural networks-model used to create the deforestation suitability map, distance from previously deforested areas was the most influential biophysical variable explaining the location of observed deforestation (between 1986 and 1996), followed by distance from protected areas and elevation.
This enables the various stakeholder groups to be prioritized in terms of their influence levels and hence contributes to maximizing overall stakeholder satisfaction by improving the efficiency and effectiveness of the evaluation.
For example, at Tdiff of 6 K about 70% of the secondary school students voted on 'use AC ', whilst just over 40% of primary school students casted a vote on the same option.
Fp equation, 2 representative archetype buildings are designed based on the ASCE 7‐16 seismic provisions.
However, at damage variable φ=0.05the superhealing variable in Figs. 10 and 12 are 40 and 30, respectively.
A novel propagator matrix method (i.e., the dual variable and position method, or DVP) is further introduced, which is more accurate and suitable for layered structures with thin layers under high frequency excitation.
Usually calcium-rich aluminosilicate or calcium hydroxide would induce rapid setting and high early strength [64], [78], but replacement of a portion of the slag with calcium hydroxide resulted in a decrease in both compressive strength and workability in a one-part geopolymer [65].
Two VSCs are controlled separately and the dynamics of the PMSG and the power grid is decoupled via the DC-link.
The method of allowing subjects to freely adjust the ambient temperature is restricted to climate chambers where temperature can be precisely quickly controlled (e.g. Ref.
This subtree crossover procedure was inspired by the DEAP library (Distributed Evolutionary Algorithms in Python) (Fortin et al., 2012) and adapted for the specific case of binary trees.
On the other hand, the decrease in concentration difference with time also reduces the diffusion rate.
On the basis of the above results, the water-based slurry containing paraffin@TiO2/GO composite exhibits enhanced thermophysical property and photo-thermal conversion performance indicating that it has great potential to be used in DASC for solar energy storage.
Kim et al., 2007a, Kim et al., 2007b, Kim et al., 2007c examined how the incipient discontinuities with varying persistence values affect the mechanical properties of jointed rock mass.
However, in the other cities, the upper limit of the GB/T 50785 is significantly lower, so much so that in the coldest climate test cases of Amsterdam and San Francisco, the Chinese upper comfort limit approaches their lower limits.
The details of the foundation plates are displayed in Fig. 9.
Quantitatively, a direct comparison between our results and the theoretical values of the maximum growth rate σm or the wavelength λ of fingers computed by Loodts et al. (2014b) is difficult.
This result reveals the thermal conductivity of water can be improved by adding the Micro-PCMs, and the thermal conductivity of 3wt% paraffin@TiO2/GO slurry is higher than that of paraffin@TiO2 slurry at the same mass fraction, which is attributed to the higher thermal conductivity of paraffin@TiO2/GO than that of paraffin@TiO2, as listed in Table 1.
The numerical results are consistent with the conclusions by New and O 'Reilly (1991) and Han (2007) in that "for granular soils, the settlement estimated by the Peck formula is often too small".
Moreover, high shear strengths can be achieved with sufficiently strong rolling resistance, but this is not recommended due to the unrealistic induced fabric.
Change of neutral operative temperature with relative humidity at different bed covering.
Siriwardane et al. (2008) proposed a new damage indicator-based sequential law to estimate the remaining fatigue life of railway bridges to capture the load sequence effect.
Final test was performed at temperature and pressure of 50°C and 10MPa and the corrosion products also contained high quantities of sulfur element.
The deformations of the column and walls are almost the same size, however, the deformation of the column is far beyond its failure envelope, whereas, the deformations of walls are locating within their capacity.
Furthermore, when opportunity cost estimates are static, i.e., they are not allowed to change with changes in economic conditions over time (Pana and Gheyssens, 2016, Takasaki, 2012), interpretation of results must be made with extra caution.
Singly and doubly stiffened cylinders are often used in many engineering areas, so a stiffened structure is here considered for completeness.
However, a systematic behaviour is seen: when the ratio of is below unity, is underestimated, and vice versa.
Four fitting parameters are related to the strain rates in this criterion.
Addition of polypropylene fibers to HSC mitigates fire-induced spalling by relieving the temperature-induced pore pressure developed through enhanced porosity in concrete, which occurs because of the melting of polypropylene fibers.
For comparison, the pressure distributions due to the at-rest and the Rankine passive earth-pressure conditions, and that calculated in accordance with the DMRB (Highways Agency 2003) are also plotted in Figs.
Thereafter, one was stripped at 7days and exposed to the dry air (20°C and RH 60%) in accordance with the air-drying curing program, whereas the other two specimens were kept sealed to measure AS.
Thermal comfort prediction can be instrumental in bridging the gap between energy efficiency and occupants ' comfort by utilizing the predicted thermal state (Discomfort/Comfort) of occupant as a control criterion for the cooling systems in buildings.
The estimated throughput of that line was 100 linear metres per 8 h shift, equivalent to a web speed of approx.
Overall fifty seismic features have been obtained for parametric seismic indicators.
In addition, an analytical model for the stress-strain relationship of the fiber reinforced concrete under compression is proposed.
Although MBR process is more efficient than CAS to remove microplastics, the proportion of the smallest-sized MPs (<0.25mm) is at its highest value in MBR permeate (Fig. 4).
Afterwards, 20 relative influential input variables were selected for the next step of optimization while the other 17 less influential variables were locally optimized/modified according to the results of sensitivity analysis.
Location of the Randstad region and rasterized map for 1989.
The interactions patterns between the supplied air from PV and the TBL should be an important consideration for the improvement of BZ air quality, thermal comfort and energy consumption in optimal ventilation design.
The authors are currently evaluating this issue through parametric finite-element analyses (Elkady and Lignos 2015a, 2017).
Note: These 5 components are identified as the water confined in inter-layer pores, gel pores, inter-hydrate pores, fine and coarse capillary pores with increasing transverse relaxation timeT2i(i = 1, 2,, 5).
In the work of Ritter et al. [31], the influence of tunnel excavation on the building behavior is investigated via the centrifuge tests where relatively complex surface structure is fabricated by 3D printing.
Compared with the intact granitic gneiss, the elastic modulus and uniaxial compressive strength of jointed granitic gneiss was reduced to 60.04% and 8.4%, respectively.
Combined solar water heating system as one major type of indirect systems now attracts more and more attentions.
In the case where we ignored the relative permeability hysteresis, the amount of trapped CO2 is underestimated by 15%.
The SNRs for fd1 and fd2 are calculated as 19.17 dB and 20.33 dB, respectively.
In this work, we presented an elastic multiphase-field model to describe a martensitic phase transformation in a ferritic-austenitic dual-phase microstructure.
To confirm the consistency of the 3D modelling for deep excavation in Bangkok soft soil, the second case was selected as an independent case study.
Although Canadian home insurers are increasingly offering coverage for flood damages associated with overland stormwater and river flows, and coverage for infiltration flooding (seepage) is widely available in the province of Quebec, most insurance policies will only cover damages incurred by sewer backup events (Sandink et al. 2016).
The time of construction, in fact, determines the generation of the seismic code in the United States that was used to design the building.
In the above examples, the mean radiant temperature and the air temperature were assumed to be the same.
Fourth, the cost savings produced by the management model used, the positive externalities gained and negative externalities avoided, and its contributions to overall community recovery collectively underscore the need to continue to improve measurement in this area to produce more precise estimates of the value of intersector collaboration.
Studies show that this kind of solution only exists when a mass is located at the same location as or very near a damper and with a small variationally range of.
The determination of active earth pressure behind rigid retaining walls is one of the classical and long-standing topics in geotechnical engineering[1], [2], [3], [4], [5], [6], [7].
In the following subsection, equations for the cooling and heating loads calculation are derived from Refs.
The environmental impact of one-part alkali-activated materials is lower than that of two-part equivalents or OPC concrete.
It is observed that the mass and frequency ratios are, in general, the most influential parameters.
This is because the categorization of the electricity consumption patterns of buildings is usually developed as an unsupervised machine learning task, i.e., the frequency of clusters and their respective composition are a priori unknown variable.
Compressive strengths of foamed concretes prepared with the various foams.
The sliding blocks slow considerably and are deposited in Zone 4.
The chemical compositions of cementitious materials.
All instrumentation and acquisition comprised of Bridge Diagnostics, Inc. equipment, where individual sensors (measuring range of ±5 g) physically connected to four-channel nodes, which in turn interfaced wirelessly with a base station/data acquisition unit.
The counts of chord lengths smaller than 40μm increase, while those bigger than 40μm decrease.
The mean ratio of TOT to RTR for the median collapse intensity is 0.95 meaning that for all typologies examined, the RTR fragility functions tended to overestimate the median collapse intensity when compared with the collapse fragilities that account for both aforementioned sources of uncertainty, a finding consistent with existing research reviewed in Section 2.
Impact force time histories of the four models under the Ford truck collision.
The respective hysteretic responses of the brace with P=80kN and k=3.68kN/mm, P=115kN and k=3.68kN/mm, and P=115kN and k=8.59kN/mm, under sinusoidal excitations with different frequencies and amplitudes, are shown in Fig. 10, Fig. 11, Fig. 12.
The nonclassical nature of the modal damping is confirmed in this case by the relatively large magnitude of the imaginary part (thin lines) for the towers 1, 2, and 3 when compared to their real part (thick lines).
For full details of the respondents ' profiles, the reader is referred to Darko et al. [22].
In all three test specimens, fracture of a brace was accompanied by a substantial decrease in strength and stiffness.
Thus, devices with two slot die coated layers (perovskite and Spiro-OMeTAD) were compared to spin coated reference devices.
Fig. 4 shows examples of typical space-time maps of CO2 dissolution in water, Antarctic water and in NaCl 1M and 2M solutions.
All participants were acclimated to the tropical climate in which the study took place [29].
The large‐scale testing devices and equipment allowed for an accurate description of the physical phenomenon, reproducing the behavior of a real buried pipeline section undergoing earthquake‐induced ground deformations in specific soil conditions, measuring soil‐pipe interaction forces and pipe structural response.
The waterjet disturbance degree is defined by the vibration amplitude to quantitatively describe the waterjet impact capacity.
Time‐history response of the base‐isolated building is calculated by direct integration of the equations of motion.
Land covers are classified into 44 classes articulated over three levels.
Note: Sample size = 800 (STh, SCh, PR, SpO2), 100 (BPsys, BPdia).
Still, only few research investigations have focused on the removal efficiency of microplastics in WWTPs and studied microplastics in other WWTP matrices than final effluent (Carr et al., 2016, Mintenig et al., 2017, Murphy et al., 2016, Talvitie et al., 2017a).
The nuclear magnetic resonance (NMR) method has high sensitivity to the moisture content in porous materials; however, compared to neutron imaging, it cannot provide better resolution in time and space.
The findings of this study also have implications for policymakers in developed countries.
Furthermore, the peak rate for specimens with the 26-mm radius was reduced to a stable value more gradually than that for specimens with the 0-mm radius.
The proposed value of the behaviour q-factor given for each structural type and for the corresponding ductility class (Medium or High) are given in Table 2.
The second family of pastes, labeled as plain (P), was composed of water, surfactant, cement and VMA.
Attempts were made to correlate geological and hydraulic parameters of rock mass experimentally and logically in order to estimate the amount of water flow into tunnels.
It is evident that: (a) for a fixed Reynolds number, the entropy produced per unit time grows with the incidence angle, and (b) that it has a much stronger dependency on the Reynolds number.
An additional granular assembly denoted LS is also considered in this Figure.
Additionally, microwaves can generate UV radiation via an electrodeless discharge lamp for combined MW/UV reactors.
In the framework of the FP7 IDEALVENT project coordinated by the von Karman Institute (VKI, Belgium), a number of innovative developments were carried out in order to permit the investigation of aerodynamic and aeroacoustic installation effects in aircraft Environmental Control Systems.
It was shown that the modified design rules provide more accurate and less scattered joint strength predictions than the current CIDECT provisions.
All variables required for calculating h (cp.
The highest enhancement observed was 1.35 which is for Al2O3/(40nm) NF.
One essential advantage of unsupervised analytics is that they could achieve better data utilization.
This doesn 't mean that the segmental lining would not lead to crack generation due to compression.
Importantly, the interlayer pore water content is observed to roughly follow linear relationship with respect to water saturation.
The relationship between the hybrid confinement ratio and postpeak ductile ratio is approximately linear (Fig. 9).
Further, the corresponding configurations and their symmetry accord with those predicted from the mechanism modes.
The decreasing of pump inlet pressure will promote the cavitation develop in impeller and further affect the radial force of pump.
A mixture with χ>0.6 was not viable due to particles segregation [15], [23].
The mixed liquid oil is kept in the model tank.
The waterjet impact angle adjustment method is described as follows: (i) Overlap the nozzle with the 0° scale mark of the graduated disk.
A proportion for breeding a new generation is selected.
When the CO2 injection time is 4000 d, permeability ratios become 0.75, 0.67 and 0.61, respectively.
Each specimen consisted of a 260-mm-diameter and 1,000-mm-long column cast into a 1,300×360×400-mm base.
To overcome these gaps, fire resistance tests and numerical studies were carried out to evaluate comparative fire performance of HSC columns with and without fibers.
The daily traffic pattern is identified for two classes of days, workdays and nonworkdays.
Contribution of the TCR, FOM, VOM and FC to the LCOE of the CLR-CC process for different cases defined in Table 6.
The change in pH follows a similar trend as DO, with both parameters showing a strong positive correlation (Table S1).
Differences are due to the enhanced energy dissipation in the vertical step joints, which occurs when fasteners with a small diameter are used.
Because of the material attribution of SOLID 65, there was no descent stage considered for the concrete in the model.
In addition to stress contribution, friction mobilization at contact is also important.
These charts are given for practical use in geotechnical engineering.
It is possible that the sampling is conducted in a wide region of the parameter space and the convergence speed will be very slow, and the computational cost will be large for structures in practice (such as the case in this paper).
It is hypothesized that the in-plane and the out-of-plane responses of the walls are not mutually exclusive.
Buckling of the FRP tube caused a small sudden drop of applied load with a loud noise and obvious change of tube appearance.
Compared with the salt cavern UGS at a small depth, the overlying pressures acting on the cavern of Jianghan are much larger.
For this reason, piping systemfor circulating cold water in bottom and lateral of solar pond becomes a common tool.
A scheme showing how single read/output YAML commands can access all of the scenario attributes at once for a single run is shown in Fig. 3.
In particular, the dominant inter-aggregate pore diameter decreased from 15.50 μm and 11.71 μm to 9.63 μm and 7.35 μm when the specimens were subjected to a constant vertical pressure of 200 kPa and 500 kPa, respectively.
This adjustment can also readily allow consideration of undesignated states that are inferred from data in extended fragility analysis, effectively applying clustering in the space of IMs and structural responses.
The low stress response at the deck plate also suggested that 16 mm was thick enough for the deck plate in the OSD with UPHC-composite deck system.
The host structure chosen for this study was a model train bridge undergoing operational loadings from an international train fleet.
It was found that the release of water for internal curing is relatively fast and that the water is distributed fairly homogeneously from the LWA for at least 3mm within the hydrating cement paste (Fig. 8).
Research related to these topics is, therefore, necessary to identify differences in control characteristics between SIS and PIS.
The EBSD data were provided by Moritz Wenk at IAM-WBM, KIT, using a Zeiss Merlin SEM, equipped with an Oxford Nordlys EBSD system.
A, box plot; B, average MP concentration, histogram.
In 2015 EU Member States were required to provide national plans for nZEB that will become the reference standard for new public buildings by 2020 [15].
For similar reasons, a higher horizontal reaction force was measured in PCS-0.4.
Deformation monitoring values are intuitive and reliable and are widely used both locally and abroad as main monitoring variables.
Based on the experience of the Barradeel concession brine production field, Harlingen, the Netherlands,1 the basic shape of the cavern in the ultra-deep rock salt formation is a vertical cylinder.
For Jute/PAA gel, the correlation coefficient (R2>0.9742) for the Langmuir model was higher than that for the Freundlich model (R2<0.9470), indicating the monolayer adsorption of Cd2+ and Pb2+ on Jute/PAA gel (Jiang et al., 2014).
We, therefore, conclude that the availability of aluminium does not act as a major limitation on the dolomite reaction in the investigated systems.
From Table 5 it can further be seen that the second most studied binder is Fly Ash, the next frequently studied binder is Blast Furnace Slag, whereas Natural Pozzolans, Limestone or Silica Fume are studied rarely.
Conversely, longitudinal (compression) waves cannot be polarized, because a polarization plane cannot be identified.
With reference only to this type of specimens, OOP force-central displacement diagrams for the reference IP-undamaged and IP-damaged infills presented in the literature are shown in Fig. 1.
For each test, after imposing the vertical top compression, the loading history was applied in a displacement‐controlled procedure, as reported in Table 4 in terms of target drift.
The in situ gradation curve is shown in Fig. 6a, and a 5-mm diameter is set as the boundary to divide the soil particles and rock blocks.
There are three types of basement flooding: (1)overland flooding where water enters homes through windows, doors, vents, reversed slope driveways, and cracks in foundation walls; (2)infiltration flooding that occurs when groundwater seeps into the basement through foundation cracks; and (3)sewer backup events in which the capacity of the combined or sanitary sewer system is exceeded and water is forced from the sewer main through the private drain connections and into people 's homes (Sandink 2009).
This problem is well-known in MCDA and an experienced facilitator will be attentive to avoid these biases, and use or develop methods limiting their occurrence, e.g. consistency check questions using another method.
These analyses found that, similar to nanocrystalline materials, a transition from the normal Hall-Petch relation to the inverse Hall-Petch relation is observed in nanocomposite materials when the size is reduced below a critical value in the case of flow stress.
In the extreme situation, partial stripping and shedding will be present at the bolt surface when the stripping cracks are connected, resulting in a significant decrease in the force transfer area of the bolt.
For a given wave vector K, Equation 7 can be calculated using the modal analysis method.
At the bottom of the concrete amortisseur, transmission boundary is applied which will transfer the stress waves and reflection is not allowed.
Interoperability of the H-MGs is offered by the proposed market structure where the excess energy of one H-MG can be stored in their ES/TES or momentarily consumed/sold in another H-MG/upstream grid when MCP is relatively high or during coalition formation.
Fig. 11 compares the temporal evolution of crack openings at all monitoring points.
Numerical models with different conditions: (a) with a border effect, and (b) without a border effect.
With respect to the excess sludge, the residual MPs may move up into the food chain through uptake by plants if the sludge is composted and applied to farmlands (Adeel et al., 2017, Yu et al., 2013).
The preceding analysis, particularly in Hong Kong, revealed that most of the investigations focus on the office buildings.
LC3 combines two widely available materials to substitute clinker: calcined kaolinitic clays and limestone.
This can be attributed to the elastic nature of GFRP bars and considered an advantage in their use.
Sedimentary layered rocks may have complex bedding structures (mainly due to tectonics) that cannot be simply represented as planar bedding surfaces [33].
The second highest contrast value of 2.182 was computed for the geological unit of the Muzaffarabad Formation with an area of 1.90% having 26% of the landslides.
Effect of Al2O3 addition on the TGA weight loss of Kz-FexAlyoxygen carrier reduction by SM char (Al2O3-free basis).
At a rail speed of 350km/h, the corresponding frequency at the peak FFT amplitude is 3.77 and 11.74Hz, respectively for sections G3 and P. Although Fig. 7 only illustrates the results obtained for a rail speed of 350km/h, analyses for other rail speeds show that the frequency at the peak amplitude increases with the increasing of the rail speed in the range of 160-350km/h.
Thus, ride comfort has attracted much attention over the past two decades.
Another deep excavation project was selected as an independent study.
The substitution of the vertical displacement at limit equilibrium yields the clamping forces at limit equilibrium, and not those at a different loading level.
The influence of the vertical interaction can be ignored.
According to [41]; purposive sampling techniques are often used when the researcher wants to select a purposive sample representing a broader group of cases as closely as possible, or to set up comparisons between different types of cases on a certain dimension of interest.
Strain field in the fiber network of 27 g/m2, shown for two cases: a) constant bond strength, and b) varied bond strength according to the l-shaped Gamma distribution.
The uncertainty presented in this definition is that this does not consider the specific balance between passive building design, renewable energy technologies and the building operator or management behaviour.
In order to facilitate the determination of DO, the temperature of water bath was adjusted to 4 °C and the current density was changed to 10 A m2.
Then, on the basis of the successful verification with an experimental study on a clip-bolt-type connection, or anchorage, using the FEM, a structural capacity model (i.e., the ultimate resistance envelope) for the clip-bolt-connection model was proposed.
One programmatic element that supports a theory of compromise was the National Disaster Resilience Competition (NDRC), which reallocated Community Development Block Grant Disaster Recovery dollars to both Democratic and Republican states in the years following Sandy.
FAs have high specific heat capacity (1.9-2.1 J/g °C) compare to other organic PCMs, have better latent heat of transition as well as very small volume change, mostly no supercooling, non-toxic, producible from renewable resources [11], [12], [13], [14].
The design of the HANDTool was divided into three parts: (1) input DEM and topo-hydrological computations, which contains all the code that introduces the DEM (in raster format) and the correct identification of the stream network, and (2) selection of the method for determining CAT, which contains codes for manual and automatic procedures, and (3) output, which contains codes that generate the HAND layer (in raster format) along with other supplementary layers such as corrected DEM, flow direction, flow accumulation, watersheds, and automatically extracted stream network (if needed).
This paper proposes a homogeneous ensemble approach, i.e., use of Random Forest (RF), for hourly building energy prediction.
Composite material repairing has been adopted as the preferred method for improving the fatigue performance of cracked metallic structures as a result of its superiority over traditional mechanical repairs (Baker 1999; Teng et al. 2012).
In the hardening stage, shear resistance is provided by bolt elastic flexure and shear deformation.
Convergence studies have been carried out to ensure the adequacy of both spatial and temporal discretization in the DNS.
As discussed earlier, in the wet model there is one more force source than the dry sample, which is induced by the fluid-particle interactions.
This situation may arise in various engineering systems that experience a marked increase in effective stress, from compacted fills to production wells subjected to high depressurization.
Time-history and time-frequency response of the foundation rocking for Model 111 (H/B = 0.28) and Model 115 (H/B = 2.28) under ground motion #118.
This is consistent with the experimental results.
There is some debate about whether conventional batching is the most suitable method, whether micro-batching is more appropriate, and whether instantaneous mixing at the deposition head could be developed to alleviate these issues.
Further research using the BayPrep model to evaluate preparedness in CBOs in different regions may yield a broader and more representative sample of where nonprofit organizations fall along the preparedness continuum.
The B square is an oxygen carrier particle with the main compositions of Fe, O and Mg.
In this paper, the number of nodes were selected by trial and error [49].
Extremely strong negative stiffness may endanger structural stability.
Flexural strengths measured in longitudinal and lateral directions also showed orthotropic behavior.
The average initial porosity was reported by the authors as 10.4%, allowing for the model predictions of the proportionality factor α at each confining pressure to be calculated.
This confirms that the CC method underestimates the concrete cone breakout resistance of headed anchors in RC members, whereas the proposed model [Eq. (4a)] more accurately predicts the tensile breakout resistance in RC members.
The tensile strain is 13.6% when crack 4 appears.
In particular, the small-scale turbulence modifies the position of the separation point, thus producing an effect on the aerodynamic force coefficients (Zdravkovich 1997).
It was found that the tube rupture strain of these specimens is about 25% higher than the rupture strain obtained from the split-disk test, which can explain the under-estimation of the ultimate condition.
In addition, T20 shows comparable average crack width to P05U15.
The latter two terms can effectively prevent the unexpected frequency jumps which lead to the extracted T-F curve more accurately represents the ridge in the TFR.
In each setup, the sampling frequency was set at a relatively high value of 2,048Hz, and it should be noted that the measured data could be resampled in the modal identification process.
However, only four layers of flexural strengthening were used in RT-A-sw (two 500-mm-wide sheets) due to the weakening of the slab.
Notwithstanding the limitations of the tests, the research team expects the primary response mechanisms observed during the testing program to be relevant to a wide range of structures employing composite floor slabs and steel gravity-framed construction.
Comparison of CSM and EN 1993-1-1 resistance predictions with FE/test data for I-sections in compression.
Thus depending upon the application and strength requirements of the FRC the use of synthetic fibres has to be either reduced partially or fully with natural fibres.
Finally, the existing gaps in the research works on phase change materials used in building are identified, and recommendations are offered as per the viewpoint of the present authors.
In contrary to former experiments where linear arrays were used, a two-dimensional array distribution was implemented on the fuselage of an aircraft.
The forecasting accuracy of the proposed model has been compared with other seven forecasting strategies and reveals outperformed performance with respect to forecasting accuracy improvement.
The authors wish to thank Rfix S.p.A. for financial support.
Second, FDW assumes that the depth-damage curve captures first-floor height and that the cadastral data contain no information on first-floor height because this is not typically available in cadastral data sets.
Moreover, each column was fixed into a heavy RC footing that was 2,100 mm in length, 500 mm in width, and 600 mm in height.
Failure of the arch is detected when a further tensile force in a link is found in an interface, which means that the interface becomes a hinge, and an admissible equilibrium is no more possible.
Because thermal insulation and window systems are key components of building envelope and have a strong presence in operational energy-efficient strategies, here we study their EE in more detail.
From the convergence curve, it is obvious that MFA can converge in very few iterations while ABC starts to converge after many iterations.
Aims of the present study are to develop an updated landslide inventory map, evaluate the impact of landslide causative factors on spatial distribution of landslides, and to develop a landslide susceptibility map using the WofE model.
Water dissociation at BDD anode surface can produce oxygen and HO.
The open triangles correspond to hydraulic conductivity values measured at different void ratios and corrected for void ratio = 1.0.
However, more information on the ML-Poly forecaster can be found in [32] and [34].
The same trend regarding the effect of through‐thickness gap was reported by Bozkurt and Topkaya.33 For this specimen, bolt tension failure due to higher normal thrust was expected at the design stage, but this response was not observed likely because of the actual bolt strength was higher that the anticipated tension demand (150 vs 113 kN).
In this study, the dynamic failure process and the failure evolution of the specimens were captured by a high-speed camera (FASTCAM SA 1.1).
Notably, at drifts larger than 4%, steel columns subjected to a collapse-consistent loading protocol shortened five times less than those subjected to a symmetric loading protocol.
Enzymatic methods are expensive and when biofuel production is concerned, cost efficiency is imperative.
The mean PCE for devises containing 0.33, 0.5, and 1% copper dendrite were 6.02, 7.15, and 5.5%, respectively, while the mean PCE for reference cells was 8%.
Vision sensor systems can also be used for real-time tracking of water levels without disturbing the water flow.
In larger-scale ducts (and tunnels), stratification is much more likely to occur as the temperature variation of the gases within is greater.
Similar corrosion products were observed at 35°C, 6MPa.
In addition, the point corresponding to the analysis step at which all the dampers yielded is also shown in Figure 10.
Considering the weather conditions, WBGT values of the permeable pavements were not high and did not exceed the warning line.
It is shown that the numerical result matches well with the experimental data at the lower wind speed of the lock-in region, and however the error between experimental and numerical results at the higher wind speed of the lock-in region become greater and greater.
In the longer term, a marriage of fundamental fire propagation mechanics with empirically derived sub-modelling producing hybrid fire spread models (Sullivan, 2009a) could achieve mutual satisfaction for all concerned.
The mobile phase consisted Milli-Q water (A) and acetonitrile (B), each containing 0.1% of formic acid.
This research was supported by the Natural Science Foundation of Shandong Province, China (No.: ZR2017BEE004), the Open Fund of the National Engineering Technology and Research Center for Prefabrication Constructions in Civil Engineering and the Special Fund of Prof. Zuyan Shen (No.: 2014CPCCE-K03), the Fundamental Research Funds of Shandong University (No.: 2016 HW011), the National Natural Science Foundation of China under Awards No. 51578324 and 51778348, and the Recruitment Program of Global Youth Expert.
Despite these limitations, the software function and uncertainty analysis presented in this work provide investigators with readily accessible tools to begin to standardize the evaluation of uncertainty in network flow models.
A planetary type, vertical axis, speed adjustable mixer with two speed grades was utilized.
In general, there are four critical sections that need to be considered under impact events.
These photos are then displayed to the user in the output page.
In order to characterize the downward progression of the fingers, the vertical length of the mixing zone is measured in the course of time until fingers reach the bottom of the field of view.
In principle, it is possible to consider the case of a healing material that has a higher strength, but in order to study that situation, it is more relevant to carry out an analysis with more than one cohesive element where a secondary crack is allowed to initiate elsewhere.
STS is a modular data acquisition system manufactured by Bridge Diagnostics, Inc. (BDI) of Boulder, Colorado.
For the isolated intermediate steel moment frame, a reduction factor of RI=1.was used, resulting in a design shear of 0.087 times the seismic weight.
This was achieved by milling the sample with the ion beam, starting at 1 nA with the sample tilted 0.7° either side of 52°.
Therefore, on the basis of the above analyses, it can be concluded that the developed hybrid model possesses a more accurate forecasting ability than the other models and the level of accuracy of the hybrid model is different from that of the GRNN, BPNN, LSSVM, CS-BPNN, WOA-LSSVM, EMD-WOA-LSSVM and EEMD-WOA-LSSVM.
Evolution of storage modulus with different pre-shear durations.
This study ends with a parametric study.
The impact of groundwater on caving is thus not incorporated into the model, but recommended for separate investigations.
The interaction is affected by numerous factors: strength of the TBL, metabolic rate and activities of the person, PV flow rate, direction, temperature and turbulence intensity, etc.
At higher 2θ angles, peaks from Ka2 were observed as a doublet peak.
China had an estimated 100,000 modern biogas plants and 43 million residential-scale digesters in 2014, generating about 15 billion m3 of biogas, equivalent to 9 billion m3 biomethane (324TJ primary energy).
Axial strain of the upper surface on the pipeline 's middle part is negative strain, while the lower surface is positive strain.
The length of the whole system from the hydrometric station on the South Saskatchewan River near Medicine Hat to the dams plus the distance from the Bindloss station at Red Deer River to the confluence is 602km.
In the most advantageous case, only an initial independent strength measurement, for example with a penetrometer could be used, provided once again that the critical deformation does not evolve with time.
These various programs are generally implemented through energy service companies (ESCO) whose annual revenues were evaluated at around $7 billion, with roughly 75 percent of those revenues associated with energy efficiency projects [38].
Note: ***, ** and * denote the statistical significance at 1%, 5% and 10% levels.
They found that about 50% of the landslides occurred during filling operations and about 30% occurred during drawdown operations.
To explore the effect of the window size, the forecasting is pursued by using different window lengths.
Finally, 260 asphalt mastic beams were manufactured in this research, with and without, capsules.
Interestingly, the cracking damage of the segments and joint bolts at the rear of the impact region seem to be more severe than those occurring at the front with respect to the direction of train travel.
Eventually, there are (4+2)×1000×5=30 000 runs for each value of ω1.
To determine the amount of reacted metakaolin, calculations are made at steps of 1% metakaolin reaction and then plotted against the amount of portlandite.
Comparing Fig. 24, Fig. 25, it is found that except the process of after the construction of invert the rate of every process under two different construction scheme conditions is nearly the same.
The authors describe these Level 2 data sets subsequently in the "Method of Comparison" section.
According to the GPDEM, the stochastic seismic response analysis of a 242-m CFRD is translated into a series of deterministic dynamic calculations.
The different combination of μt and βt also results in a different behavior in terms of amplitude.
Both experimental tests and numerical simulations have been conducted to better understand tsunami wave loading of bridges.
In Equation 2a, the parameter ap is essentially the ratio of the PCA to the peak floor acceleration (ie, PCA/PFA) for an elastic NSC.
By plotting the maximum resistance of each static and dynamic test specimen, an average dynamic increase factor (DIF) of 1.28 can be observed, with a COV of 0.06, as shown in Fig. 13.
The introduction of the prestressing technique can further promote crack closure and decrease crack propagation.
Arguments that have been made to justify physically the use of tangent‐stiffness damping, which should also apply to elastic velocity damping, do not stand up to scrutiny.
Table 9 summarizes the average computation time for RT, SVR, and RF as developed in Module 1.
It was demonstrated to be ideally suited to the rear passivation of PERC solar cells, as the above-mentioned parasitic shunting is completely absent - thanks to the fixed negative charges [53].
Each scheme is designed to meet a distinct retrofit objective: (1) enhancement of the lateral-load capacity, (2) enhancement of ductility, and (3) enhancement of the lateral-load capacity and ductility, as well as changing the dominant failure mode of the joint from a column hinging mechanism to one where the plasticity is mainly concentrated in the beams.
The vertical displacement measurement error and temperature change were found to be in a linear relationship, whereas horizontal displacement measurement and temperature change were more scattered.
Fig. 1 illustrates schematically the set-up of a cementitious material extrusion system.
When the piston moves upwards, the damping force of the SCD increases with the displacement and then comes into the yielding stage.
A reduction of approximately 35% of tensile strength was required to obtain a reasonable agreement between these 2 approaches.
In this study, a qualitative analysis of thin sections was done for the presence of carbonation.
It consists of two main types of data analytics, i.e., supervised and unsupervised analytics.
The policy tree concept applies to short-term management of water and environmental systems as well as long-term adaptation; in future work we aim to show its generality in applications beyond reservoir control.
U-value assessment with the IRT measurement.
For each group, a control specimen and three corrosion levels (corrosion at shear reinforcement only), including light damage with approximately 12% mass loss, moderate damage with approximately 20% mass loss, and severe with approximately 40% mass loss, were considered.
It can be seen from Table 7 that approximately 90% of variation in the strain is explained by three predictor variables, namely, h, cosθ, and t.
The highest efficiency of 22.1% was obtained for a stack of an ultrathin thermally grown tunnel-SiOx (~1.2nm) plus an atomic-layer-deposited 3.0nm thick TiO2 layer at the cell rear using n-type silicon base material [133].
Suarez-Rivera et al. (2016) illustrated that bedding interfaces, such as bed parallel ash beds, mineralized veins, and slickensides, are regarded as a dominant factor in limiting fracture height growth in complex reservoir systems.
It can be observed that there is a high level of agreement between the two.
The steel tube of the F4-24-E324 column buckled at a lateral drift of 3.0%, whereas the steel tube of the F4-24-P124 column did not buckle during the test.
When the hillslopes become stable, the numerous tension cracks on the bedrock caused by the earthquake can also lead to new landslides during heavy rains (Tang et al., 2010), leading to intermittent channel bank slides and providing source materials for debris flows in a long period (Fig. 12d).
The cause of warm-biased temperatures and over-prediction of lake stability when meteorological observations were obtained near or on-lake requires further investigation (Fig. 4).
Some preliminary studies were conducted by Dong et al. (2016a) to investigate the bond durability of a specific type of SFCB with a diameter of 12.5 mm with sea-sand concrete after exposure to a 20°C seawater wet-dry cycling environment for up to 3 months.
With the aim of studying the mechanical behavior of soils subjected to suffusion, this paper introduces a numerical model based on the discrete element method (DEM).
In order to examine joints with shallow, intermediate and deep beams, the corresponding beam-to-column assemblies were extracted from a set of structures that are representative of typical low- and medium-rise steel moment-resisting frames (MRF).
Gibert et al. (2018) examine the scope of the Data Science concept and provide a modern view and a new definition: "We consider Data Science as the multidisciplinary field that combines data analysis with data processing methods and domain expertise, transforming data into understandable and actionable knowledge relevant for informed decision making".
Thus, it is the most widely used method in the solution of nonlinear equations because of its efficiency.
Then, failure loads observed at tests were normalized to a concrete cylinder compressive strength equivalent to fc=28MPa using a normalizing factor of (28/fc,test)0.
We may obtain accumulation of stress upon closed strain cycles (or vice versa) despite the fact that the loop starts and ends at a reversal point.
It is observed that the longitudinal rib-to-deck crack initiated from the deck-side weld toe at WJ4 in Specimen 1, and a similar crack initiated at WJ3 in Specimen 2, as shown in Fig. 6(a).
The latter are positioned into the holes of each concrete segment and secured with a high strength low-viscosity cement-based mortar.
Usually higher load levels are endured by HSC columns than NSC columns of similar size.
As the mining depth increases with the development of mining process, the increased high stress may cause numerous seismic events with large magnitude, which result in the frequent occurrences of rockburst hazards.
The 3 new towers are horizontally connected to the existing building through NLVDs in the x and y directions, whose resultant positions are identified by the 2‐head arrows in Figure 3.
This kind of swelling/compaction in the coal due to the heterogeneous microstructure of coal may be one mechanism of the adsorption-induced coal damage.
Both rivers were sampled with sufficient spatial resolution to build concentration profiles and increase the probability of detecting transient pharmaceuticals in the absence of composite sampling techniques.
Moreover, the inclusion of FRP in an RC column is an effective way to enhance the column 's flexural and shear strength.
In addition, probability density functions (PDFs) of apparent SVE properties were constructed using the principle of maximum entropy (MaxEnt) (Jaynes 1957) to further visualize the impact of different schemes.
Since many factors can affect the rheological properties of cement slurries, such as mixing time, mixing speed and temperature [35], the mixing procedures in this study were fixed to minimize the differences among batches.
Therefore, the synthesized PCMs provide promising application potential in thermal storage systems like solar energy storage devices.
The council represented a higher level of interagency coordination chaired by the CEQ and the Assistant to the President for Homeland Security and Counterterrorism.
The 20% increase was used to account for the impact.
The majority of studies have implemented RANS methods as numerical technique for the 3D modelling of VSF (Barton et al., 2009, Cea et al., 2007, Khan, 2006, Marriner et al., 2016, Marriner et al., 2014; among others).
In addition, most inventory databases used in tall building EE estimations do not represent tall building construction practices and therefore, there is additional uncertainty in EE study of tall buildings, as compared with low-rise construction, that needs to be dealt with in future research.
From a practical point of view, the joint adaptation described above can be obtained by assembling the structure according to the following phases: (a) installation of the beam with hinged joint; (b) installation of the slab elements with hinged joints; (c) activation of beam-column mechanical reinforcement couplers; (d) filling of the construction joint.
The role of zeolite phases in geopolymers is not clear yet, but most researchers affirm that the crystalline phases may not contribute much to the compressive strength of geopolymer [2], [4].
So the opening state of the window are detected.
This approach would allow for a reduction in the input uncertainty based on the measured outputs.
However, this type of imperfection leads to overly conservative designs (Ismail et al., 2015).
Often encountered in huge volumes in some large-scale hydraulic engineering projects, SRMs present a ground instability risk during project construction and operation.
The achievement indicators directly or indirectly improve system performance through some or all the three key system resilience features (Bruneau etal.
The adsorption of superplasticizers on cement particles/agglomerates is measured by measuring the total organic content of carbon in pore solution.
It is influenced by the geometry of street canyons, street trees, building blocks and impervious ground covers [3].
A parametric system from design, detailing to production is developed.
However, as seen in Fig. 13b, the normalization process managed to successfully push out the Comfort cases towards the right, generating clearer non-linear regions separating the two thermal states.
Fig. 4 shows the average values of the statistic indices of the four stages.
In the DEM, the soft contact approach (Itasca Consulting Group, Inc, 2007a, Itasca Consulting Group, Inc, 2007b) reduces unwanted contact vibrations and to maintains the dynamic behavior (Sarhosis et al., 2016).
Figure 16 compares the stroke between the STMD and the TMD in the case of DC II.
The better understanding of the LTCC behaviours and of the impact of overburden movement on top coal caving has been considerably improved through investigations of the field-scale model 's simulations.
Starting from 200°C, the stress-strain curve shape of slag paste (SWP) is different from that of cement paste with the same temperature exposure.
Given passage length of the nutrient enriched biofilm is greater, we conclude that the hydraulic resistance of membrane biofilms has greater dependency on density than biofilm thickness.
In experiments conducted by Dawood and Rizkalla [26], 30 CFRP-steel double-lap shear joints were exposed to wet/dry cycles in a 5% by weight NaCl solution at a temperature of 38°C for up to six months.
It can also be seen in the figure that RAC mixes developed a higher specific creep compared to that of control mixes at a given curing age, except for HC-110 series mix, which exhibited nearly identical specific creep to the companion control mix.
Here, we further investigated the effects of pH on the phosphate sequestration by pristine and M-50%La(OH)3-amended sediments.
Carbon Capture and Storage (CCS) is a key climate mitigation technology.
The dimensionless groups of Equations 7 and 9 are used in the following as guides to define new (candidate) IMs.
Hence, the validity of the SHPB tests is proved.
Flat-plate solar collectors are commonly used to collect solar energy.
For instance, cross-study analyses of ASHRAE field studies and climatic chambers studies examined when air movement is perceived as most desirable and undesirable, and summarized the factors influencing those perceptions [10].
The magnitude of thermal influence i.e. solar attenuation, MRT reduction, transpiration rate and quantity, temperature regulation and thermal comfort improvement, is another important issue to be considered.
There is uncertainty involved with every hazard and steps within the event cycle, which are important to understand in order to make effective use of the matrix and improve civil infrastructure and lifeline system resilience.
It is also used for ground applications such as; asphalt for paving streets and highways, sports surfacing, animal bedding, fill material for turf grasses [51], [9].
Wall SQ2S sustained a maximum drift of 2.85%, and Wall SQ2 sustained a maximum drift of 1.5% in the negative direction of loading.
It was found that water evaporated rapidly from this narrow and confined active region.
Because implementation of the Fujita scale began in 1973, only the tornado dataset from 1973 to 2015 is included in the regression models in the current study.
For example, 1-m resolution modelling of a 40km2 area (40×106 grids) requires more computational grids than 500-m resolution modelling of the contiguous United States (CONUS) (32×106 grids).
Force-vertical displacement plot for CT20-TH12-P model.
Based on the likelihood ratio test, Model 3 with timing effects outperforms the corresponding model without timing effects only for strong tornadoes.
The present work investigates the pressure fluctuation intensity and vortex characteristic of a mixed flow pump as turbine at pump mode with a tip clearance.
Line 1 in Fig.2(c) reveals that the evaluation of contingency plans is result-oriented because of lack of supervision and accountability mechanisms, thereby disregarding the root of solving problems.
Analysis of the m synthetic series allows calculating the mean value and the uncertainty associated with the threshold parameters (α and γ) and their respective uncertainties (δα, δγ).
Height of the vertical fracture in cases 1, 2, and 3 is 100ft, 50ft and 25ft, respectively.
Wetlands with fluvial flows can influence catchment hydrology through long and short term surface water storage which can aid or undermine attenuation of flood waters (Bullock and Acreman, 2003).
In this work, a hydraulic-mechanical-thermal coupled model of CO2-ECBM is established, it combines binary gases (CO2 and CH4) infiltration and diffusion, where non-isothermal adsorption is also considered.
The relationships between axial strains obtained from LVDTs and those from SGs of the tested specimens are shown in Fig. 3, from which the best-fit value for k1 for the above linear equation can be found: k1=0.8 for SWSSC-filled FRP tubes with multiple fiber directions and 0.9 for tubes with only hoop direction fibers.
A system actually fails when either θmax,t or θmax,r exceeds the corresponding limits.
Arc-SDM as an extension of the ArcGIS was used to calculate the weights and other statistics using a landslides training set and the causative factors.
This method is simple to be carried out, however it is often time-consuming and results in partial improvements [13].
The authors used 171 influential features describing the buildings, economy, education, environment, households, surrounding, and transportation to model the average site EUI of residential buildings in block groups.
Only when the adjacent fractures are connected to form local macroscopic fracture planes, can the carrying capacity decrease to cause a sudden drop in stress.
This analysis then informs a probabilistic assessment of bridge failure due to surge and wave loading.
It is interesting to find that the top three strategies for Ghana - "more publicity through media (e.g., print media, radio, television, and internet)", "GBTs-related educational and training programs for developers, contractors, and policy makers", and "availability of institutional framework for effective GBTs implementation" - did not appear in the top five strategies for the US; they were ranked ninth, sixth, and tenth in the US, respectively.
Indeed, the different resistance under sagging and hogging conditions ranges about 25% for the configuration with horizontal friction surface and 15% for that with vertical friction surface.
During the higher‐displacement phase, the deformation of the wall was concentrated always on the same cracks, which therefore saw their width increase.
By contrast, the Gumbel copula features upper tail dependence (i.e.,the tail probability for one variable is infinitesimal, whereas it is extremely large for the other), and the Gaussian, Plackett, Frank, and No. 17 copulas feature neither lower tail dependence nor upper tail dependence.
SCADA data not only depend on the health condition of a WT, but also vary over wide ranges under varying operating conditions, as presented in Refs.
Area "a" shows good agreement with the physical tests.
This paper combines structural dynamic models and probabilistic assessment tools to demonstrate improvements in structural reliability when modern wind turbine towers are equipped with active tuned mass dampers (ATMDs).
Rib-to-deck joints of orthotropic steel decks (OSDs) in steel bridges are susceptible to longitudinal fatigue cracking, which often results in considerable repair costs as well as traffic interruption.
Then, specific applications oriented toward durability, are briefly described.
Brandenberg et al. [16] developed an elasto-dynamic solution for the seismic active earth pressure exerted on vertical retaining walls with inhomogeneous backfills.
This finding also applies to other series of shear tests conducted in this study with a higher normal stress (for example 20 MPa in CNL shear) and IANS (for example 40 MPa in CNS shear) (Fig. 13, Fig. 14).
It draws the positions of the neutral axis at the intersection of the various sub-domains for the analyzed wall.
The endowment/ownership or gain-loss biases would be caused by long term memory, and particularly how individuals retrieve long-term encoded information when making a decision.
