基础隔震结构的能量分析与设计
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摘要
近几十年来,基础隔震技术逐渐被重视,得到了广泛的应用,并被纳入国家建筑抗震设计规范。通过建立有隔震和无隔震的6层框架结构的分析模型,对其分别输入2条典型的地震波进行地震能量反应分析,结果表明,隔震结构能较好地满足能量方程;最后以能量分析方法为基础,建立了基础隔震结构体系的能量设计方法。
In recent decades,base isolation technology has attracted more and more attention in research.It has been adopted by national code for seismic design of buildings,and has been wildly applied to a broad range of applications worldwide.Based on the introduction of the energy equations and analysis models of base-isolated structures,the analysis models of a six-floor frame structure are built,and the energy responses of the structure and the effect of seismic isolation bearings are discussed as two typical seismic waves are input.It is concluded that the base-isolated structure can meet the energy equation;Finally,on the basis of energy theory,in this paper,the energy design measures for this kind of structures are founded.
In recent decades,base isolation technology has attracted more and more attention in research.It has been adopted by national code for seismic design of buildings,and has been wildly applied to a broad range of applications worldwide.Based on the introduction of the energy equations and analysis models of base-isolated structures,the analysis models of a six-floor frame structure are built,and the energy responses of the structure and the effect of seismic isolation bearings are discussed as two typical seismic waves are input.It is concluded that the base-isolated structure can meet the energy equation;Finally,on the basis of energy theory,in this paper,the energy design measures for this kind of structures are founded.
引文
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[6]王松涛,曹资.现代抗震设计方法[M].北京:中国建筑工业出版社,1997:1-55.
[2]周云,周福霖.耗能减震体系的能量设计方法[J].世界地震工程,1997,13(4):8-13.
[3]叶献国,周锡元,姜欣.能量原理在结构抗震性能设计中的应用[A].大型复杂结构体系的关键科学问题及设计理论研究论文集[C].上海:同济大学出版社,2000:364-372.
[4]周云,安宇,梁兴文.基础隔震结构的能力谱分析方法[J].世界地震工程,2002,18(1):46-50.
[5]潘开名,刘斌,刘之洋,等.叠层橡胶支座隔震结构地基结构动力相互作用分析[J].东北大学学报(自然科学版),2002,23(1):71-74.
[6]王松涛,曹资.现代抗震设计方法[M].北京:中国建筑工业出版社,1997:1-55.
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