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The story shear distribution in chevron braced steel frames under near-fault earthquakes
Pages: 25-30
Year: Issue:  4
Journal: Journal of University of Science and Technology of Suzhou(Engineering and Technology)

Keyword:  人字形中心支撑钢框架弹塑性层剪力分布近场地震;
Abstract: 为研究人字形中心支撑钢框架(CBSF)弹塑性状态下层剪力分布,设计了6个具有理想屈服模式的CBSF结构,采用非线性动力时程分析法获得了结构在近场地震下的层剪力分布,提出了层剪力分布模式,并同已有的层剪力分布模式进行了对比.分析表明,近场速度脉冲效应对CBSF结构层剪力分布影响较大;提出的层剪力分布模式在精度上优于已有的层剪力分布模式.
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