高层钢筋混凝土框架-核心筒结构抗震安全评价
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摘要
为了对高层钢筋混凝土框架-核心筒结构的抗震安全性能做出评价,在太平洋地震工程研究中心(PEER)基于性能抗震设计方法的基础上,采用我国地震危险性分析的研究成果,利用三维非线性分析程序CANNY建立地震反应分析模型,确定地震波样本选择方法,引入相对谱值调整系数,对结构的安全性能进行预测,由此给出了适合于我国规范的结构抗震安全评价方法。利用此方法对一钢筋混凝土框架-核心筒结构进行了分析,对算例的抗震安全性能指标和位移特性做出预测,分析结果表明,此方法可行,可以用于单体结构的抗震安全评价中,当进行某类结构的抗震安全评价时尚需考虑分析模型和结构设计的不确定性。
In order to assess seismic safety of tall RC frame-corewall structures,based on performance-based earthquake engineering method of PEER(Pacific Earthquake Engineering Research),seismic safety evaluation method serving for China was established by adopting Chinese earthquake risk analysis results,constructing analysis model using the 3D nonlinear analysis program CANNY,determining selection method of earthquake records,introducing relative spectrum value adjusting factor.Using the proposed method seismic safety of a RC frame-corewall structure was assessed,safety index and drift properties were estimated.As a result,the proposed method is feasible and can be applied to single tall structure.Uncertainties of analysis model and structural design need be considered when assessing some types structures.
In order to assess seismic safety of tall RC frame-corewall structures,based on performance-based earthquake engineering method of PEER(Pacific Earthquake Engineering Research),seismic safety evaluation method serving for China was established by adopting Chinese earthquake risk analysis results,constructing analysis model using the 3D nonlinear analysis program CANNY,determining selection method of earthquake records,introducing relative spectrum value adjusting factor.Using the proposed method seismic safety of a RC frame-corewall structure was assessed,safety index and drift properties were estimated.As a result,the proposed method is feasible and can be applied to single tall structure.Uncertainties of analysis model and structural design need be considered when assessing some types structures.
引文
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[14]李星荣,张守斌.PKPM结构系列软件应用与设计实例[M].北京:机械工业出版社,2007.(LiXingrong,Zhang Shoubin.Application and designexamples of PKPM structural serial software[M].Beijing:China Machine Press,2007.(in Chinese))
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[16]Shome Nilesh.Probabilistic seismic demand analysis ofnonlinear structures[D].Stanford:Stanford University,Department of Civil and Environmental Engineering,1999.
[2]Ibarra L.Global collapse of frame structures underseismic excitations[D].Stanford:Stanford University,Department of Civil and Environmental Engineering,2003.
[3]李亚琦.中国地震危险性特征区划[D].哈尔滨:中国地震局工程力学研究所,1999.(Li Yaqi.Seismichazard characteristic zoning of China[D].Harbin:Institute of Engineering Mechanics,China Earthquake Administration,1999.(in Chinese))
[4]GB 50011—2001建筑抗震设计规范[S].(GB50011—2001 Code for seismic design of building[S].(in Chinese))
[5]JGJ 3—2002高层建筑混凝土结构技术规程[S].(JGJ 3—2002 Technical specification for concretestructures of tall building[S].(in Chinese))
[6]Li Kangning.Canny for 3D nonlinear static anddynamic structural analysis-Technical Manual[CP].2006.
[7]Pieere Leger,Serge Dussault.Seismic-energydissipation in MDOF structures[J].Journal ofStructural Engineering,1992,118(5):1251-1269.
[8]Ghobarah A,Abou-Elfath H,Biddah Ashraf.Response-based damage assessment of structures[J].Earthquake Engineering and Structural Dynamics,1999,28(1):79-104.
[9]叶献国,种迅,李康宁,等.Pushover方法与循环往复加载分析的研究[J].合肥工业大学学报:自然科学版,2001,24(6):1019-1024.(Ye Xianguo,ZhongXun,Li Kangning,et al.Study of pushover analysisprocedure and reversal load pattern[J].Journal ofHefei University of Technology:Science andTechnology,2001,24(6):1019-1024.(in Chinese))
[10]李康宁,Tetsuo Kubo,Carlos E Ventura.建筑物三维分析模型及其用于结构地震反应分析的可靠性[J].建筑结构,2000,30(6):14-18.(Li Kangning,TetsuoKubo,Carlos E Ventura.3D analysis model and itsreliability of application to earthquake response analysisof buildings[J].Building Structure,2000,30(6):14-18.(in Chinese))
[11]Thuat V Dinh,Toshikatsu Ichinose.Probabilisticestimation of seismic story drifts in reinforced concretebuildings[J].Journal of Structural Engineering,2005,131(3):416-427.
[12]王亚勇,戴国莹.建筑抗震设计规范算例[M].北京:中国建筑工业出版社,2006.(Wang Yayong,Dai Guoying.Example of code for seismic design ofbuildings[M].Beijing:China Architecture&Building Press,2006.(in Chinese))
[13]傅学怡.实用高层建筑结构设计[M].北京:中国建筑工业出版社,1999:67-98.(Fu Xueyi.Practicaldesign of tall buildings[M].Beijing:China Architecture&Building Press,1999:67-98.(inChinese))
[14]李星荣,张守斌.PKPM结构系列软件应用与设计实例[M].北京:机械工业出版社,2007.(LiXingrong,Zhang Shoubin.Application and designexamples of PKPM structural serial software[M].Beijing:China Machine Press,2007.(in Chinese))
[15]北京金土木软件技术有限公司,中国建筑标准设计研究院.ETABS中文版使用指南[M].北京:中国建筑工业出版社,2004.(Beijing King Civil Software Technical Incorporation Limited,China Institute of Building Standard Design&Research.Guidebook of ETABS:Chinese version[M].Beijing:China Architecture&Building Press,2004.(in Chinese))
[16]Shome Nilesh.Probabilistic seismic demand analysis ofnonlinear structures[D].Stanford:Stanford University,Department of Civil and Environmental Engineering,1999.
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