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2020 (3)

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Book
Numerical Modeling in Civil and Mining Geotechnical Engineering
Author:
ISBN: 3036554424 3036554416 Year: 2022 Publisher: MDPI - Multidisciplinary Digital Publishing Institute

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Abstract

This Special Issue (SI) collects fourteen articles published by leading scholars of numerical modeling in civil and mining geotechnical engineering. There is a good balance in the number of published articles, with seven in civil engineering and seven in mining engineering. The software used in the numerical modeling of these article varies from numerical codes based on continuum mechanics to those based on distinct element methods or mesh-free methods. The studied materials vary from rock, soil, and backfill to tailings. The investigations vary from mechanical behavior to hydraulic and thermal responses of infrastructures varying from pile foundations to tailings dams and underground openings. The SI thus collected a diversity of articles, reflecting the state-of-the-art of numerical modeling applied in civil and mining geotechnical engineering.

Keywords

Technology: general issues --- History of engineering & technology --- near-surface thick deposit --- surface subsidence --- numerical simulation --- unmanned aerial survey --- accurate model --- railway ballast fouling --- ballast degradation --- micro-mechanical parameters --- shear strength --- large diameter bored pile --- hyperparameters --- supervised machine learning --- finite element method --- parametric study --- load transfer --- failure mechanism --- geothermal heat exchangers --- permafrost --- thaw settlement --- sustainability --- embedded beam elements --- finite element --- mesh sensitivity --- soil-structure interaction --- deep foundation --- 3D modelling --- fluid fine tailings --- dewatering --- modelling --- seasonal weathering --- freeze–thaw --- evaporation --- mining backfill --- compressibility --- constitutive models --- numerical modeling --- plasticity --- critical state soil model --- modified Cam Clay model --- model normalization --- precomputation --- incompatibility --- rock --- plastic deformation --- goaf-side entry --- stability of surrounding rock --- pillar size optimization --- confined water --- paste filling mining --- filling step --- advancing distance --- floor failure --- tailings dam --- impacting force --- kinetic energy --- smoothed particle hydrodynamics (SPH) --- 3D nonlinear yield criterion --- elastoplastic model --- circular opening --- backfill --- FLAC3D --- pore water pressure --- hydraulic conductivity --- alternative method --- numerical analyses --- unsaturated soil --- n/a --- freeze-thaw


Book
Buildings and Structures under Extreme Loads
Authors: --- ---
Year: 2020 Publisher: Basel, Switzerland MDPI - Multidisciplinary Digital Publishing Institute

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Abstract

Exceptional loads on buildings and structures may have different causes, including high-strain dynamic effects due to natural hazards, man-made attacks, and accidents, as well as extreme operational conditions (severe temperature variations, humidity, etc.). All of these aspects can be critical for specific structural typologies and/or materials that are particularly sensitive to external conditions. In this regard, dedicated and refined methods are required for their design, analysis, and maintenance under the expected lifetime. There are major challenges related to the structural typology and material properties with respect to the key features of the imposed design load. Further issues can be derived from the need for risk mitigation or retrofit of existing structures as well as from the optimal and safe design of innovative materials/systems. Finally, in some cases, no appropriate design recommendations are available and, thus, experimental investigations can have a key role within the overall process. In this Special Issue, original research studies, review papers, and experimental and/or numerical investigations are presented for the structural performance assessment of buildings and structures under various extreme conditions that are of interest for design.

Keywords

History of engineering & technology --- damping device --- seismic design --- design base shear --- nonlinear response history analysis --- liquid storage tank --- earthquake --- wind --- dynamic response --- fluid–solid interaction --- composite shear wall --- seismic behavior --- quasi-static test --- design strength model --- bored-pile --- global strain extensometer --- pile friction resistance --- real-time monitoring --- snow–wind combined experiment facility --- snowdrift --- field observation --- scale experiments --- similarity criterion --- underwater explosion --- composite pressure hull --- whipping --- breathing --- failure index --- laminated glass (LG) --- free vibrations --- fundamental frequency --- mechanical restraints --- field experiments --- analytical modelling --- Finite Element (FE) numerical modelling --- super large cooling tower --- whole construction process --- wind vibration coefficient --- buckling stability --- ultimate bearing capacity --- snow load --- complex roof --- EOF analysis --- characteristics decomposition --- RABT fire curve --- fire simulation --- tunnel fire --- high temperature --- fire safety --- fire accident --- vertical earthquake motion --- seismic response --- atrium-style metro station --- shaking table test --- wind characteristics --- boundary layer --- typhoon --- hurricane --- field measurement --- train derailment --- derailment containment provisions --- collision testing --- post-derailment behavior --- slurry pipe jacking --- friction resistance --- effective friction coefficient --- pipe-soil-slurry interaction --- lubrication efficiency --- concrete --- blast load --- Monte Carlo analysis --- seismic demand --- pushover --- suction caisson --- suction penetration --- soil plug --- hydraulic gradient --- visual tests --- mountainous valley --- bridge site --- boundary transition section (BTS) --- numerical simulation --- wind tunnel test --- small radius TBM interval --- equivalent continuous model --- Winkler elastic foundation beam theory --- transfer matrix method --- horizontal axis deviation --- tall timber buildings --- timber composites --- seismic retrofitting --- Eurocode 8 --- structural assessment --- masonry buildings --- earthquakes --- seismic loads --- existing structures --- reliability --- rehabilitation --- risk --- blast loading --- welded haunch connection --- steel frame structures --- non-linear dynamic analysis --- ABAQUS --- multiple degree of freedom (MDOF) --- frame ductility ratio --- n/a --- fluid-solid interaction --- snow-wind combined experiment facility


Book
Buildings and Structures under Extreme Loads
Authors: --- ---
Year: 2020 Publisher: Basel, Switzerland MDPI - Multidisciplinary Digital Publishing Institute

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Export citation

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Bookmark

Abstract

Exceptional loads on buildings and structures may have different causes, including high-strain dynamic effects due to natural hazards, man-made attacks, and accidents, as well as extreme operational conditions (severe temperature variations, humidity, etc.). All of these aspects can be critical for specific structural typologies and/or materials that are particularly sensitive to external conditions. In this regard, dedicated and refined methods are required for their design, analysis, and maintenance under the expected lifetime. There are major challenges related to the structural typology and material properties with respect to the key features of the imposed design load. Further issues can be derived from the need for risk mitigation or retrofit of existing structures as well as from the optimal and safe design of innovative materials/systems. Finally, in some cases, no appropriate design recommendations are available and, thus, experimental investigations can have a key role within the overall process. In this Special Issue, original research studies, review papers, and experimental and/or numerical investigations are presented for the structural performance assessment of buildings and structures under various extreme conditions that are of interest for design.

Keywords

damping device --- seismic design --- design base shear --- nonlinear response history analysis --- liquid storage tank --- earthquake --- wind --- dynamic response --- fluid–solid interaction --- composite shear wall --- seismic behavior --- quasi-static test --- design strength model --- bored-pile --- global strain extensometer --- pile friction resistance --- real-time monitoring --- snow–wind combined experiment facility --- snowdrift --- field observation --- scale experiments --- similarity criterion --- underwater explosion --- composite pressure hull --- whipping --- breathing --- failure index --- laminated glass (LG) --- free vibrations --- fundamental frequency --- mechanical restraints --- field experiments --- analytical modelling --- Finite Element (FE) numerical modelling --- super large cooling tower --- whole construction process --- wind vibration coefficient --- buckling stability --- ultimate bearing capacity --- snow load --- complex roof --- EOF analysis --- characteristics decomposition --- RABT fire curve --- fire simulation --- tunnel fire --- high temperature --- fire safety --- fire accident --- vertical earthquake motion --- seismic response --- atrium-style metro station --- shaking table test --- wind characteristics --- boundary layer --- typhoon --- hurricane --- field measurement --- train derailment --- derailment containment provisions --- collision testing --- post-derailment behavior --- slurry pipe jacking --- friction resistance --- effective friction coefficient --- pipe-soil-slurry interaction --- lubrication efficiency --- concrete --- blast load --- Monte Carlo analysis --- seismic demand --- pushover --- suction caisson --- suction penetration --- soil plug --- hydraulic gradient --- visual tests --- mountainous valley --- bridge site --- boundary transition section (BTS) --- numerical simulation --- wind tunnel test --- small radius TBM interval --- equivalent continuous model --- Winkler elastic foundation beam theory --- transfer matrix method --- horizontal axis deviation --- tall timber buildings --- timber composites --- seismic retrofitting --- Eurocode 8 --- structural assessment --- masonry buildings --- earthquakes --- seismic loads --- existing structures --- reliability --- rehabilitation --- risk --- blast loading --- welded haunch connection --- steel frame structures --- non-linear dynamic analysis --- ABAQUS --- multiple degree of freedom (MDOF) --- frame ductility ratio --- n/a --- fluid-solid interaction --- snow-wind combined experiment facility


Book
Buildings and Structures under Extreme Loads
Authors: --- ---
Year: 2020 Publisher: Basel, Switzerland MDPI - Multidisciplinary Digital Publishing Institute

Loading...
Export citation

Choose an application

Bookmark

Abstract

Exceptional loads on buildings and structures may have different causes, including high-strain dynamic effects due to natural hazards, man-made attacks, and accidents, as well as extreme operational conditions (severe temperature variations, humidity, etc.). All of these aspects can be critical for specific structural typologies and/or materials that are particularly sensitive to external conditions. In this regard, dedicated and refined methods are required for their design, analysis, and maintenance under the expected lifetime. There are major challenges related to the structural typology and material properties with respect to the key features of the imposed design load. Further issues can be derived from the need for risk mitigation or retrofit of existing structures as well as from the optimal and safe design of innovative materials/systems. Finally, in some cases, no appropriate design recommendations are available and, thus, experimental investigations can have a key role within the overall process. In this Special Issue, original research studies, review papers, and experimental and/or numerical investigations are presented for the structural performance assessment of buildings and structures under various extreme conditions that are of interest for design.

Keywords

History of engineering & technology --- damping device --- seismic design --- design base shear --- nonlinear response history analysis --- liquid storage tank --- earthquake --- wind --- dynamic response --- fluid-solid interaction --- composite shear wall --- seismic behavior --- quasi-static test --- design strength model --- bored-pile --- global strain extensometer --- pile friction resistance --- real-time monitoring --- snow-wind combined experiment facility --- snowdrift --- field observation --- scale experiments --- similarity criterion --- underwater explosion --- composite pressure hull --- whipping --- breathing --- failure index --- laminated glass (LG) --- free vibrations --- fundamental frequency --- mechanical restraints --- field experiments --- analytical modelling --- Finite Element (FE) numerical modelling --- super large cooling tower --- whole construction process --- wind vibration coefficient --- buckling stability --- ultimate bearing capacity --- snow load --- complex roof --- EOF analysis --- characteristics decomposition --- RABT fire curve --- fire simulation --- tunnel fire --- high temperature --- fire safety --- fire accident --- vertical earthquake motion --- seismic response --- atrium-style metro station --- shaking table test --- wind characteristics --- boundary layer --- typhoon --- hurricane --- field measurement --- train derailment --- derailment containment provisions --- collision testing --- post-derailment behavior --- slurry pipe jacking --- friction resistance --- effective friction coefficient --- pipe-soil-slurry interaction --- lubrication efficiency --- concrete --- blast load --- Monte Carlo analysis --- seismic demand --- pushover --- suction caisson --- suction penetration --- soil plug --- hydraulic gradient --- visual tests --- mountainous valley --- bridge site --- boundary transition section (BTS) --- numerical simulation --- wind tunnel test --- small radius TBM interval --- equivalent continuous model --- Winkler elastic foundation beam theory --- transfer matrix method --- horizontal axis deviation --- tall timber buildings --- timber composites --- seismic retrofitting --- Eurocode 8 --- structural assessment --- masonry buildings --- earthquakes --- seismic loads --- existing structures --- reliability --- rehabilitation --- risk --- blast loading --- welded haunch connection --- steel frame structures --- non-linear dynamic analysis --- ABAQUS --- multiple degree of freedom (MDOF) --- frame ductility ratio

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