某框架结构的抗震性能分析
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摘要
对一个框架结构实例进行静力非线性推覆(Pushover)分析。分析结构基底剪力-顶点位移之间的弹-塑性变化关系、结构塑性铰的形成历程和破坏机制,得到结构的性能点;检验结构的层间位移角是否满足GB 50011—2011《建筑抗震设计规范》规定的层间位移角的限值,以检验和考察它们的抗震能力,探讨结构的破坏机理,寻求改善结构抗震性能的方法。
It was conducted the static nonlinear pushover analysis of a moment frame structure.Through the analysis of the structure basis shearing force-top displacement's elastoplasticity change relations,the structure plastic hinge's formation course and the destruction mechanism,it was obtained the performance point of the structure.Then it was examined the story displacement of the structure to see whether it satisfied the limit of the story displacement specified by the code GB 50011—2011,so as to examine and inspect the earthquake resistance ability.Finally the structure failure mechanism was discussed,and the method of improving structure earthquake resistance performance was researched.
引文
[1]叶燎原,潘文.结构静力弹-塑性分析(Pushover)的原理和计算实例[J].建筑结构学报,2000,21(1):37-43.
    [2]杨浦,李英民,王亚勇,等.结构静力弹-塑性分析(Pushover)方法的改进[J].建筑结构学报,2000,21(1):44-50.
    [3]欧进萍,候钢领,吴斌.概率Push-over分析方法及其在结构体系抗震可靠度评估中的应用[J].建筑结构学报,2001,22(6):81-86.
    [4]魏巍,冯启民.几种Pushover分析方法对比研究[J].地震工程与工程振动,2002,22(4):66-73.
    [5]朱杰江,吕西林,容柏生.复杂体系高层结构的推覆分析方法和应用[J].地震工程与工程振动,2003,23(4):54-60.
    [6]张凡.高层建筑结构的Pushover分析方法及应用研究[D].西安:西安建筑科技大学,2005.

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