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Fault-Induced Coal Burst Mechanism under Mining-Induced Static and Dynamic Stresses Article

Wu Cai, Linming Dou, Guangyao Si, Yawei Hu

Engineering 2021, Volume 7, Issue 5,   Pages 687-700 doi: 10.1016/j.eng.2020.03.017

Abstract: Subsequently, it proposes mechanisms of fault reactivation and its induced coal burst based on the superpositionof static and dynamic stresses, which include two kinds of fault reactivations from: mining-inducedquasi-static stress (FRMSS)-dominated and seismic-based dynamic stress (FRSDS)-dominated.in the fault pillar and dynamic stress from fault reactivation.High static stress comes from the interaction of the fault and the roof structure, and dynamic stress

Keywords: Coal burst     Fault reactivation     Mining-induced stress     Seismic-based dynamic stress     Fault pillar    

Seismic performance of moment resisting steel frame subjected to earthquake excitations

Fadzli M. NAZRI, Pang Yew KEN

Frontiers of Structural and Civil Engineering 2014, Volume 8, Issue 1,   Pages 19-25 doi: 10.1007/s11709-014-0240-3

Abstract: This study presents static and dynamic assessments on the steel structures.Pushover analysis (POA) and incremental dynamic analysis (IDA) were run on moment resisting steel framesThe POA can be used to estimate the performance-based-seismic-design (PBSD) limit states of the steel

Keywords: incremental dynamic analysis (IDA)     pushover analysis     performance-based seismic design    

The Analyzing Methods and Advice on Seismic Stress Calculation of Offshore Pipelines

Sun Zhengce,Duan Menglan,Liu Liming,Zhang Wen,Chen Decheng

Strategic Study of CAE 2003, Volume 5, Issue 8,   Pages 76-80

Abstract:

The paper comprehensively analyzes and summarizes main problems that exist in seismic stress calculationthoughts and advice are given to deal with the problems, which are expected to benefit researches on anti-seismicdesign method, in addition to establishment of anti-seismic criterion of offshore pipelines.

Keywords: offshore pipeline     seismic wave     fault     stress-strain     span     syphon    

Analysis of the dynamic stress of planar flexible-links parallel robots

DU Zhaocai, YU Yueqing, YANG Jianxin

Frontiers of Mechanical Engineering 2007, Volume 2, Issue 2,   Pages 152-158 doi: 10.1007/s11465-007-0025-7

Abstract: This paper presents a method for the dynamic stress analysis of planar parallel robots with flexibleThe finite element-based dynamic model of flexible parallel robots is proposed.Considering the effects of bending-shearing strain and tensile-compression strain, the dynamic stressDue to the flexibility of the links, the dynamic stresses are well illustrated through numerical simulationThe dynamic stress analysis is demonstrated to have a significant impact on the analysis, design and

Keywords: numerical simulation     Due     coupling     software SAMCEF     flexibility    

Analyses of the seismic responses of soil layers with deep deposits

LOU Menglin, LI Yuchun, LI Nansheng

Frontiers of Structural and Civil Engineering 2007, Volume 1, Issue 2,   Pages 188-193 doi: 10.1007/s11709-007-0021-3

Abstract: Several typical problems in the seismic response analysis of soil layers with deep deposits have beenstudied according to the seismic response analysis of the soil layer in the Shanghai region.horizontal bedrock boundary in the soil layer, and the effect of the wave velocity of the bedrock and dynamiccharacteristics of the soil media on the seismic responses of the soil layer.The field investigation on the soil dynamic property should be paid more attention to.

Keywords: little influence     layer     calculation     Shanghai     dynamic    

Intermediate HSS bracing members during seismic excitations: modeling, design, and behavior

Madhar HADDAD

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 1,   Pages 148-162 doi: 10.1007/s11709-016-0375-5

Abstract: structural section (HSS) bracing members are used frequently in steel framed structural systems to resist seismicFinite element modeling of the HSS braces that utilizes the true stress-strain curves produces hysteresisTrue stress-strain curves are obtained from coupon tests or stub-column tests while utilizing an exponentialIn the current study, the true stress-strain curves are directly obtained from tests on stub-columnsResults indicate that the stress-strain curves for these braces are not unique.

Keywords: HSS     FEM     stress-strain curves     damage model    

Performance-based seismic assessment of a historical masonry arch bridge: Effect of pulse-like excitations

Frontiers of Structural and Civil Engineering   Pages 855-869 doi: 10.1007/s11709-023-0972-z

Abstract: Seismic analysis of historical masonry bridges is important for authorities in all countries hostingFifteen seismic records were considered and categorized as far-field, pulse-like near-field, and non-pulse-likeThe performance levels were introduced based on the pushover curve, and the post-earthquake damage state

Keywords: masonry arch bridges     seismic behavior     modal properties     pulse-like records     nonlinear time history    

Life cycle and performance based seismic design of major bridges in China

FAN Lichu

Frontiers of Structural and Civil Engineering 2007, Volume 1, Issue 3,   Pages 261-266 doi: 10.1007/s11709-007-0033-z

Abstract: The idea of life cycle and performance based seismic design of major bridges is introduced.Based on the key components and non-key components of a bridge and the consideration of the inspectabilityreplaceability, reparability, controllability and retrofitability of the bridge components, different seismicwell as risk assessment, are also proposed to be the important issues to study in order to guide the seismic

Keywords: controllability     progressive     reparability     different     important    

Machine learning-based seismic assessment of framed structures with soil-structure interaction

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 2,   Pages 205-223 doi: 10.1007/s11709-022-0909-y

Abstract: The objective of the current study is to propose an expert system framework based on a supervised machineThe methodology of the framework is based on examining different MLTs to obtain the highest possibleMultiple limit state criteria were used for the seismic evaluation within the process.Moreover, the framework provides recommendations for building component design based on the newly introducedglobal seismic assessment ratio, which considers different levels of seismic hazards.

Keywords: seismic hazard     artificial neural network     soil-structure interaction     seismic analysis    

Separation and extraction of bridge dynamic strain data

Baijian WU, Zhaoxia LI, Ying WANG, T. H. T. CHAN,

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 4,   Pages 395-400 doi: 10.1007/s11709-009-0049-7

Abstract: Through comparing the measured data of dynamic strains due to loading and temperature by the stain gaugeproposed method, the effect of strain deformation and noises on the fatigue assessment was investigated basedresponsibility for the errors, and the main reason is that the random disturbance shifts the real strain/stressamplitude picked up by real structural stress or strain.

Keywords: dynamic     valuable     separatrix     strain/stress amplitude     frequency    

Higher-order mode effects on the seismic performance of tall piers

Zhongguo GUAN, Jianzhong LI, Yan XU, Hao LU

Frontiers of Structural and Civil Engineering 2011, Volume 5, Issue 4,   Pages 496-502 doi: 10.1007/s11709-011-0131-9

Abstract: A comprehensive analysis was conducted to investigate the seismic performance of a typical tall bridgeThe results showed that higher-order modes significantly contributed to the structural seismic responseThis means that the displacement-based seismic design method cannot correctly predict the mechanicalstate of the critical hinge and therefore is not suitable for use in the seismic design of tall piersMistakenly using the displacement-based seismic design method for tall piers may result in a seriously

Keywords: tall bridges     higher-order mode effects     incremental dynamic analysis    

Global sensitivity analysis of certain and uncertain factors for a circular tunnel under seismic action

Nazim Abdul NARIMAN, Raja Rizwan HUSSAIN, Ilham Ibrahim MOHAMMAD, Peyman KARAMPOUR

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 6,   Pages 1289-1300 doi: 10.1007/s11709-019-0548-0

Abstract: rational effects on the generation of tensile damage and the stability of the circular tunnels during seismiceffects and interaction effects between the design factors have been determined supporting on variance-basedtunnel lining has the greatest effect on the tensile damage generation in the tunnel lining during the seismicin cooperation with the numerical simulations explaining the responses of the circular tunnel during seismic

Keywords: shear waves     Sobol’s sensitivity indices     maximum principal stress     maximum overall displacement     tensile    

Numerical analysis of vehicle-bridge coupling vibration concerning nonlinear stress-dependent damping

Pengfei LI; Jinquan ZHANG; Shengqi MEI; Zhenhua DONG; Yan MAO

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 2,   Pages 239-249 doi: 10.1007/s11709-021-0804-y

Abstract: Damping is known to have a considerable influence on the dynamic behavior of bridges.This study investigated the application of stress-dependent damping associated with vehicle-bridge couplingvibration and based on that investigation proposed the stress-dependent damping ratio.The results of the investigation show that the stress-dependent damping ratio is significantly differentThe acceleration response of the bridge which was calculated using the stress-dependent damping ratio

Keywords: vehicle-bridge vibration system     dynamic analysis     stress-dependent damping     energy dissipation    

Three-dimensional seismic response analysis of a concrete-faced rockfill dam on overburden layers

Dakuo FENG, Ga ZHANG, Jianmin ZHANG,

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 2,   Pages 258-266 doi: 10.1007/s11709-010-0031-4

Abstract: Reasonable seismic response analysis of a high rockfill dam is of great engineering significance in guidingits design and ensuring its seismic safety during operation, especially of a concrete-faced rockfillThe three-dimensional seismic behavior of the Miaojiaba CFRD is simulated and analyzed by the finitejoints; 4) the impounding condition and overburden characteristics have great effects on the dam’s seismic

Keywords: concrete-faced rockfill dam (CFRD)     overburden layer     dynamic analysis     finite element method (FEM)    

Topology optimization and seismic collapse assessment of shape memory alloy (SMA)-braced frames: Effectivenessof Fe-based SMAs

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: This paper presents a seismic topology optimization study of steel braced frames with shape memory alloyOptimal SMA-braced frames (SMA-BFs) with either Fe-based SMA or NiTi braces are determined in a performance-basedseismic design context.The seismic response and collapse safety of topologically optimal SMA-BFs are assessed according to theIn frames with Fe-based SMA braces, the SMA usage is reduced by up to 80%.

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

Title Author Date Type Operation

Fault-Induced Coal Burst Mechanism under Mining-Induced Static and Dynamic Stresses

Wu Cai, Linming Dou, Guangyao Si, Yawei Hu

Journal Article

Seismic performance of moment resisting steel frame subjected to earthquake excitations

Fadzli M. NAZRI, Pang Yew KEN

Journal Article

The Analyzing Methods and Advice on Seismic Stress Calculation of Offshore Pipelines

Sun Zhengce,Duan Menglan,Liu Liming,Zhang Wen,Chen Decheng

Journal Article

Analysis of the dynamic stress of planar flexible-links parallel robots

DU Zhaocai, YU Yueqing, YANG Jianxin

Journal Article

Analyses of the seismic responses of soil layers with deep deposits

LOU Menglin, LI Yuchun, LI Nansheng

Journal Article

Intermediate HSS bracing members during seismic excitations: modeling, design, and behavior

Madhar HADDAD

Journal Article

Performance-based seismic assessment of a historical masonry arch bridge: Effect of pulse-like excitations

Journal Article

Life cycle and performance based seismic design of major bridges in China

FAN Lichu

Journal Article

Machine learning-based seismic assessment of framed structures with soil-structure interaction

Journal Article

Separation and extraction of bridge dynamic strain data

Baijian WU, Zhaoxia LI, Ying WANG, T. H. T. CHAN,

Journal Article

Higher-order mode effects on the seismic performance of tall piers

Zhongguo GUAN, Jianzhong LI, Yan XU, Hao LU

Journal Article

Global sensitivity analysis of certain and uncertain factors for a circular tunnel under seismic action

Nazim Abdul NARIMAN, Raja Rizwan HUSSAIN, Ilham Ibrahim MOHAMMAD, Peyman KARAMPOUR

Journal Article

Numerical analysis of vehicle-bridge coupling vibration concerning nonlinear stress-dependent damping

Pengfei LI; Jinquan ZHANG; Shengqi MEI; Zhenhua DONG; Yan MAO

Journal Article

Three-dimensional seismic response analysis of a concrete-faced rockfill dam on overburden layers

Dakuo FENG, Ga ZHANG, Jianmin ZHANG,

Journal Article

Topology optimization and seismic collapse assessment of shape memory alloy (SMA)-braced frames: Effectivenessof Fe-based SMAs

Aydin HASSANZADEH; Saber MORADI

Journal Article