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工程力学  2012 

Y形偏心支撑钢框架的地震反应折减系数和超强系数

DOI: 10.6052/j.issn.1000-4750.2010.12.0950, PP. 129-136

Keywords: 地震反应折减系数,超强系数,Y,形偏心支撑钢框架,Pushover,分析,能力谱法

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Abstract:

该文采用静力推覆和能力谱方法分析了基于我国抗震规范设计的12个Y形偏心支撑钢框架的地震反应折减系数R和超强系数Ω及赘余度超强系数Ω3,分析了结构层数、楼层高跨比对各系数的影响。研究结果表明:Y形偏心支撑钢框架的设计地震作用可在我国现行抗震规范的基础上降低20%左右。

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