地震工程中的Conventional Pushover和Adaptive Pushover分析法
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摘要
阐述了ConventionalPushover分析法的基本原理和方法,指出固定侧向力加载模式的缺陷;由于AdaptivePushover分析法考虑了结构刚度退化、高阶振型的影响、地震反应谱理论以及SRSS或CQC振型组合的综合作用,同固定侧向力加载模式相比,对结构受力状态的模拟更加准确。指出Pushover分析法尚存在的问题。
This paper reviews the basic principles and methods of the conventional pushover analysis,and indicates the intrinsic shortcoming of the pattern loaded with fixed lateral force. Since it considers the synthetic effect of the structural stiffness degradation, influence of higher modes of vibration, the spectral acceleration theory and the SRSS or CQC combination of modes, the adaptive pushover analysis is more accurate than the pattern loaded with fixed lateral force in simulating the structural stress state. Finally, some suggestions are proposed for the development of Pushover analysis.
This paper reviews the basic principles and methods of the conventional pushover analysis,and indicates the intrinsic shortcoming of the pattern loaded with fixed lateral force. Since it considers the synthetic effect of the structural stiffness degradation, influence of higher modes of vibration, the spectral acceleration theory and the SRSS or CQC combination of modes, the adaptive pushover analysis is more accurate than the pattern loaded with fixed lateral force in simulating the structural stress state. Finally, some suggestions are proposed for the development of Pushover analysis.
引文
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[8]叶燎原,潘文.结构静力弹塑性分析(push over)的原理和计算实例[J].建筑结构学报,2000,20(2):37～43.
[9]杨浦,李东,等.抗震结构静力弹塑性分析(Push o ver)方法的研究进展[J].重庆建筑大学学报,2000,22(增刊):87～92.
[10]汪梦甫,周锡元.高层建筑结构抗震弹塑性简化方法的研究及其应用[J].计算力学学报,2002,19(4):482～487.
[11]BracciJM,KunnathSKandReinhornAM.Seismic performanceandretroftevaluationofreinforcedconcrete structures[J].JournalofStructuralEngineering,1997,ASCE,123(1):3～10.
[12]ElnashaiAS.Advancedinelasticstatic(pushover)a nalysisforearthquakeapplications[J].StructuralEngi neeringandMechanics,2002,12(1):51～69.
[13]ANTONIOUS,PINHOR.AdvancedandLimitationsof AdvancedandNon adaptiveforced basedPushoverPro cedures[J].JournalofEarthquakeEngineering,2004,8(4):497～522.
[14]杨浦,李英民,等.结构静力弹塑性分析(push over)方法的改进[J].建筑结构学报,2000,21(2):44～51.
[15]尹华伟,汪梦甫,周锡元.结构静力弹塑性分析方法的研究和改进[J].工程力学,2003,20(8):45～49.
[16]沈聚敏,周锡元,高小旺.抗震工程学[M].北京:中国建筑工业出版社,2004.300～301.
[2]扶长生,应俊.静力非线性分析方法在抗震设计中的应用[J].结构工程师,2004,(3):32～39.
[3]FEMA273,FEMA274,NEHRPCCommentaryonthe guidelinesfortherehabilitationofbuilding[J].Wash ingtonDC:FederalEmergencyManagementAgency,1996.
[4]宋培玉,谢能刚.评价结构抗震动稳定性的能量测度[J].安徽工业大学学报,2002,19(2):99～101.
[5]胡冗冗,王亚勇.地震动瞬时能量与结构最大位移反应关系研究[J].建筑结构学报,2000,21(1):71～76.
[6]SimonKim,MERI,andEnzoDAmore,Push overAnal ysisProcedureinEarthquakeEngineering[J].Earth quakeSpectra,1999,15(31):417～434.
[7]R.Hasan,L.Xu,D.E.Grierson,Push overanalysis forperformance basedseismicdesign[J].Computersand Structures,2002,80:2483～2493.
[8]叶燎原,潘文.结构静力弹塑性分析(push over)的原理和计算实例[J].建筑结构学报,2000,20(2):37～43.
[9]杨浦,李东,等.抗震结构静力弹塑性分析(Push o ver)方法的研究进展[J].重庆建筑大学学报,2000,22(增刊):87～92.
[10]汪梦甫,周锡元.高层建筑结构抗震弹塑性简化方法的研究及其应用[J].计算力学学报,2002,19(4):482～487.
[11]BracciJM,KunnathSKandReinhornAM.Seismic performanceandretroftevaluationofreinforcedconcrete structures[J].JournalofStructuralEngineering,1997,ASCE,123(1):3～10.
[12]ElnashaiAS.Advancedinelasticstatic(pushover)a nalysisforearthquakeapplications[J].StructuralEngi neeringandMechanics,2002,12(1):51～69.
[13]ANTONIOUS,PINHOR.AdvancedandLimitationsof AdvancedandNon adaptiveforced basedPushoverPro cedures[J].JournalofEarthquakeEngineering,2004,8(4):497～522.
[14]杨浦,李英民,等.结构静力弹塑性分析(push over)方法的改进[J].建筑结构学报,2000,21(2):44～51.
[15]尹华伟,汪梦甫,周锡元.结构静力弹塑性分析方法的研究和改进[J].工程力学,2003,20(8):45～49.
[16]沈聚敏,周锡元,高小旺.抗震工程学[M].北京:中国建筑工业出版社,2004.300～301.
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