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Numerical simulation and analysis for collapse responses of RC frame structures under earthquake

Fuwen ZHANG, Xilin LU, Chao YIN,

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 4,   Pages 364-369 doi: 10.1007/s11709-009-0061-y

Abstract: In this paper, a discrete element model for collapse simulation of RC frame structure is constructedcomputer program is developed to simulate the whole process of RC frame structures from initial state to collapseThen, the program is employed to study the collapse mechanism of a real building in Wenchuan earthquake-hitarea; the result of which shows that the simulation program developed based on the new model can realisticallysimulate the seismic collapse process of RC frame structures.

Keywords： discrete element method     failure criteria     contact-impact     simulation program    

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A preliminary analysis and discussion of the condominium building collapse in surfside, Florida, US,

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 5,   Pages 1097-1110 doi: 10.1007/s11709-021-0766-0

Abstract: a 40-year-old reinforced concrete flat plate structure building in Miami suffered a sudden partial collapseThe collapse process was simulated and visualized using a physics engine.The simulated collapse procedure and debris distribution are compared with the actual collapse scenes

Keywords： progressive collapse     flat plate     simulation     punching    

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Collapse fragility assessment of steel roof framings with force limiting devices under transient wind

Linjia BAI, Yunfeng ZHANG

Frontiers of Structural and Civil Engineering 2012, Volume 6, Issue 3,   Pages 199-209 doi: 10.1007/s11709-012-0168-4

Abstract: Collapse of roof could cause severe economic loss and poses safety risk to residents in the building.The buckling of members in a steel roof frame structure, which may lead to progressive collapse, mayThis paper presents a fragility analysis of the collapse of steel roof frame structures under combinedsurface approach was adopted, which greatly reduces the computation time and makes the Monte Carlo simulationfeasible for probabilistic collapse analysis of steel roof frame structures.

Keywords： collapse     dynamic response     fragility analysis     Monte Carlo simulation     wind load    

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The influence of slope collapse on water exchange between a pit lake and a heterogeneous aquifer

Bo Zhang, Xilai Zheng, Tianyuan Zheng, Jia Xin, Shuai Sui, Di Zhang

Frontiers of Environmental Science & Engineering 2019, Volume 13, Issue 2, doi: 10.1007/s11783-019-1104-9

Abstract:

Slope collapse will reduce the water exchange.

Slope collapse will affect the spatial distribution

Keywords： Pit lake     Slope collapse     Groundwater–surface water interactions     Numerical simulation    

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Proposal of a probabilistic assessment of structural collapse concomitantly subject to earthquake and

Gholamreza ABDOLLAHZADEH, Hadi FAGHIHMALEKI

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 3,   Pages 425-437 doi: 10.1007/s11709-017-0427-5

Abstract: assess different probabilities for each scenario and carried out an analysis to ensure if progressive collapsethe first step in view, a pushdown analysis was carried out to determine the severity of progressive collapseFinally, the annual probability of structural collapse under simultaneous earthquake and blast loads

Keywords： gas blast     pushdown analysis     progressive collapse     annual probability of structural collapse     3D model of    

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Stress-strain relationship with soil structural parameters of collapse loess

SHAO Shengjun, LONG Jiyong, YU Qinggao

Frontiers of Structural and Civil Engineering 2008, Volume 2, Issue 2,   Pages 151-160 doi: 10.1007/s11709-008-0020-z

Abstract: Through the tri-axial shearing tests of unsaturated intact loess and based on the concept of comprehensive soil structural potential, this paper reveals the changing laws of soil structural property under the tri-axial stress conditions and establishes a mathematical expression equation of structural parameters, whereby reflecting the effects of unsaturated loess water content, stress and strain states, which is introduced into the shearing stress and shearing strain relation to obtain the structural stress-strain relation. The tests reveal that the loess dilatancy is of shearing contraction and shearing expansion, whereby indicating that there is a good linear relation between the stress ratio and shearing expansion strain ratio. The larger consolidation confining pressure is, the larger the stress of shearing contraction and expansion critical point is; and the larger water content is, the smaller the strain ratio of shearing contraction and expansion critical point is. Finally, the constitutive model is established to reflect the variation in loess structure, stress-strain softening and hardening, and shearing contraction and shearing expansion features. Through the comparative analysis, the stress-strain curves described by the constitutive relationship are found to be in good conformity with test results, whereby testing the rationality of the model in this paper.

Keywords： hardening     shearing expansion     unsaturated     structural property     mathematical expression    

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Performance assessment of innovative seismic resilient steel knee braced frame

Tony T. Y. YANG,Yuanjie LI

Frontiers of Structural and Civil Engineering 2016, Volume 10, Issue 3,   Pages 291-302 doi: 10.1007/s11709-016-0340-3

Abstract: The modeling approach allows the simulation for the force-deformation response of the BRB and the forcehas excellent seismic performance with well controlled structural responses and resistance against collapse

Keywords： buckling restrained brace     innovative structural system     collapse simulation     seismic assessment    

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Stress-strain relationship with soil structural parameter of collapse loess

SHAO Shengjun, YU Qinggao, LONG Jiyong

Frontiers of Structural and Civil Engineering 2008, Volume 2, Issue 3,   Pages 293-293 doi: 10.1007/s11709-008-0100-0

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Progressive collapse of 2D reinforced concrete structures under sudden column removal

El Houcine MOURID, Said MAMOURI, Adnan IBRAHIMBEGOVIC

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 6,   Pages 1387-1402 doi: 10.1007/s11709-020-0645-0

Abstract: elements are unable to resist the supplementary loading, they continue to fail, which leads to progressive collapseIn this paper, an efficient strategy to model and simulate the progressive collapse of multi-story reinforcedseveral connected steps including failure mechanism creation, MBS dynamic analysis and dynamic contact simulationMoreover, this contribution pertains to a very thorough investigation of progressive collapse of theThe proposed methodology is applied to a six-story frame, and many different progressive collapse scenarios

Keywords： failure mechanism     MBS dynamic analysis     gravity loads     structure-ground contact     structure-structure contact     energy conserving/decaying scheme    

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Study of the mechanics of progressive collapse of FPB isolated beam-pier substructures

Jingcai ZHANG; Yong DING; Xinchun GUAN

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 6,   Pages 718-728 doi: 10.1007/s11709-022-0815-3

Abstract: However, horizontal stiffness is essential to progressive collapse resistance of structures.This paper presents a simplified model to assess the progressive collapse response of beam-pier substructureProgressive collapse resistance by flexural action of the beam and additional resistance owing to theThe results show that progressive collapse resistance provided by horizontal restraining can be reducedThe equivalent radius of the FPB shows limited effect on the progressive collapse response of FPB isolated

Keywords： friction pendulum bearing     progressive collapse     horizontal stiffness     compressive arching action     catenary    

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Investigation on a mitigation scheme to resist the progressive collapse of reinforced concrete buildings

Iman TABAEYE IZADI, Abdolrasoul RANJBARAN

Frontiers of Structural and Civil Engineering 2012, Volume 6, Issue 4,   Pages 421-430 doi: 10.1007/s11709-012-0181-7

Abstract: the alternate load path to redistribute residual loads and preventing from the potential progressive collapsethis study a ten-storey regular structural building has been considered to investigate progressive collapseSimulation results show that progressive collapse of building that resulted from potential failure of

Keywords： prevent progressive collapse     alternate load path     reinforced concrete buildings     nonlinear dynamic     retrofitting    

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Topology optimization and seismic collapse assessment of shape memory alloy (SMA)-braced frames: Effectiveness

Aydin HASSANZADEH; Saber MORADI

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 3,   Pages 281-301 doi: 10.1007/s11709-022-0807-3

Abstract: The seismic response and collapse safety of topologically optimal SMA-BFs are assessed according to theA comparative study on the optimal SMA-BFs is also presented in terms of total relative cost, collapseThe results demonstrate that Fe-based SMA-BFs exhibit higher collapse capacity and more uniform distribution

Keywords： optimization     shape memory alloy     Fe-based SMA     steel braced frames     performance-based seismic design     collapse    

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Visual chiral recognition of 1,1′-binaphthol through enantioselective collapse of gel based on an amphiphilic

Xuhong Zhang, Haimiao Li, Xin Zhang, Meng An, Weiwei Fang, Haitao Yu

Frontiers of Chemical Science and Engineering 2017, Volume 11, Issue 2,   Pages 231-237 doi: 10.1007/s11705-017-1633-3

Abstract: recognition of enantiomeric 1-(2-hydroxynaphthalen-1-yl)naphthalen-2-ol (BINOL) through selective gel collapse

Keywords： gelator     Schiff base     chiral recognition     gel formation     gel collapse    

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Collapse Probability of Building Caused by Fire

Sun Jinhua,Sun Zhanhui,Lu Shouxiang,Fan Weicheng

Strategic Study of CAE 2003, Volume 5, Issue 11,   Pages 51-55

Abstract: Because of the bad fire performance of steel structure, collapse may occur.In the American 911 accidents, the fire caused by airplane crash led to collapse of WTC, mass and personnelTherefore researches of building collapse caused by fire are very necessary.This paper mainly introduces the research on collapse probability of building.The influencing factors to the building collapse under the condition of fire are studied.

Keywords： building     fire     fire load     collapse probability    

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Dynamic study on anti-collapse design for underground structures subjected to explosion

Yang Liming,Zhou Fenghua,Dong Xinlong,Wang Lili

Strategic Study of CAE 2011, Volume 13, Issue 3,   Pages 29-37

Abstract: text-align: justify;">Under explosive loading, a tensile stress wave is a main cause to induce spalling collapsestrength of material is a most important parameter to be considered in structural design against the collapseused currently to describe the minimum deepness of underground protective structure against spalling collapseThe experimental results show that the anti-collapse capability of an underground structure with highHowever, the difference of the anti-collapse (spalling) capability between reinforced C100 concrete and

Keywords： underground protective structure     concrete tensile properties     anti-collapse     stress waves    

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Title Author Date Type Operation

Numerical simulation and analysis for collapse responses of RC frame structures under earthquake

Fuwen ZHANG, Xilin LU, Chao YIN,

Journal Article

A preliminary analysis and discussion of the condominium building collapse in surfside, Florida, US,

Journal Article

Collapse fragility assessment of steel roof framings with force limiting devices under transient wind

Linjia BAI, Yunfeng ZHANG

Journal Article

The influence of slope collapse on water exchange between a pit lake and a heterogeneous aquifer

Bo Zhang, Xilai Zheng, Tianyuan Zheng, Jia Xin, Shuai Sui, Di Zhang

Journal Article

Proposal of a probabilistic assessment of structural collapse concomitantly subject to earthquake and

Gholamreza ABDOLLAHZADEH, Hadi FAGHIHMALEKI

Journal Article

Stress-strain relationship with soil structural parameters of collapse loess

SHAO Shengjun, LONG Jiyong, YU Qinggao

Journal Article

Performance assessment of innovative seismic resilient steel knee braced frame

Tony T. Y. YANG,Yuanjie LI

Journal Article

Stress-strain relationship with soil structural parameter of collapse loess

SHAO Shengjun, YU Qinggao, LONG Jiyong

Journal Article

Progressive collapse of 2D reinforced concrete structures under sudden column removal

El Houcine MOURID, Said MAMOURI, Adnan IBRAHIMBEGOVIC

Journal Article

Study of the mechanics of progressive collapse of FPB isolated beam-pier substructures

Jingcai ZHANG; Yong DING; Xinchun GUAN

Journal Article

Investigation on a mitigation scheme to resist the progressive collapse of reinforced concrete buildings

Iman TABAEYE IZADI, Abdolrasoul RANJBARAN

Journal Article

Topology optimization and seismic collapse assessment of shape memory alloy (SMA)-braced frames: Effectiveness

Aydin HASSANZADEH; Saber MORADI

Journal Article

Visual chiral recognition of 1,1′-binaphthol through enantioselective collapse of gel based on an amphiphilic

Xuhong Zhang, Haimiao Li, Xin Zhang, Meng An, Weiwei Fang, Haitao Yu

Journal Article

Collapse Probability of Building Caused by Fire

Sun Jinhua,Sun Zhanhui,Lu Shouxiang,Fan Weicheng

Journal Article

Dynamic study on anti-collapse design for underground structures subjected to explosion

Yang Liming,Zhou Fenghua,Dong Xinlong,Wang Lili

Journal Article