有速度脉冲近场地震下人字形中心支撑钢框架性态设计方法
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摘要
结构在近场地震作用下的破坏往往与强速度脉冲所携带的瞬时输入能量相关,根据5条近场地震波构造了屈服点谱(YPS)。基于结构屈服位移的稳定性,采用能力方法设计一榀人字形中心支撑钢框架结构。非线性静力分析和动力时程分析结果验证了用YPS法对中心支撑钢框架进行性态设计的可行性。
The damage of the building under the near-field earthquake was related to the instantaneous input energy,a total of 5 near-field ground motion records were selected to construct the yield point spectra(YPS)in the paper.Based on the stability of yield displacement,this paper used the capacity design method to design a plane Chevron concentrically braced steel frames.The result obtained from the nonlinear static analyses and nonlinear dynamic analyses verified the feasibility of the YPS method applied to design the steel braced frames.
The damage of the building under the near-field earthquake was related to the instantaneous input energy,a total of 5 near-field ground motion records were selected to construct the yield point spectra(YPS)in the paper.Based on the stability of yield displacement,this paper used the capacity design method to design a plane Chevron concentrically braced steel frames.The result obtained from the nonlinear static analyses and nonlinear dynamic analyses verified the feasibility of the YPS method applied to design the steel braced frames.
引文
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[4]Mark Aschheim.Seismic design based on the Yield Displacement[J].Earthquake Spectra,2002,18(4):581-600.
[5]中华人民共和国住房和城乡建设部.GB50011-2010建筑抗震设计规范[S].北京:中国建筑工业出版社,2010.
[6]杨俊分.中心支撑钢框架的结构影响系数和位移放大系数研究[D].西安:西安建筑科技大学,2009.
[7]Edgar F Black,Mark Aschheim.Seismic design and evaluation of multistory buildings using yield point spectra[D].University of Illinois,USA,2000.
[8]Shih-Ho Chao.Performance-based seismic design of EBF using target drift and yield mechanism as performance criteria[R].University of Michi-gan,USA,2005.
[9]中华人民共和国建设部.GB 50017-2003钢结构设计规范[S].北京:中国建筑工业出版社,2003.
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[11]李刚.人字形中心支撑钢框架基于屈服点谱的性态抗震设计方法[D].苏州:苏州科技学院,2011.
[2]高学奎.近场地震动输入问题的研究[J].华北科技学院学报,2005,2(3):80-83.
[3]孙国华,顾强,何若全,等.基于滞回耗能谱的钢板剪力墙结构性态设计方法[J].建筑结构学报,2011,32(11):126-133.
[4]Mark Aschheim.Seismic design based on the Yield Displacement[J].Earthquake Spectra,2002,18(4):581-600.
[5]中华人民共和国住房和城乡建设部.GB50011-2010建筑抗震设计规范[S].北京:中国建筑工业出版社,2010.
[6]杨俊分.中心支撑钢框架的结构影响系数和位移放大系数研究[D].西安:西安建筑科技大学,2009.
[7]Edgar F Black,Mark Aschheim.Seismic design and evaluation of multistory buildings using yield point spectra[D].University of Illinois,USA,2000.
[8]Shih-Ho Chao.Performance-based seismic design of EBF using target drift and yield mechanism as performance criteria[R].University of Michi-gan,USA,2005.
[9]中华人民共和国建设部.GB 50017-2003钢结构设计规范[S].北京:中国建筑工业出版社,2003.
[10]中国建筑科学研究院.JGJ 99-98,高层民用建筑钢结构技术规程[S].北京:中国建筑工业出版社,1998.
[11]李刚.人字形中心支撑钢框架基于屈服点谱的性态抗震设计方法[D].苏州:苏州科技学院,2011.
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