Damage-based strength reduction factor for nonlinear structures subjected to sequence-type ground motions

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• 作者：Yongqun Zhang^a ; Jun Chen^a ; ^b ; ^{cejchen@tongji.edu.cn} ; Chaoxu Sun^a
• 关键词：Strength reduction factor ; Inelastic response spectra ; Damage index ; Sequence-type ground motion ; Site condition
• 刊名：Soil Dynamics and Earthquake Engineering
• 出版年：2017
• 出版时间：January 2017
• 年：2017
• 卷：92
• 期：Complete
• 页码：298-311
• 全文大小：2440 K
• 卷排序：92

文摘

A damage-based strength reduction factor RD subjected to seismic sequence is studied. An empirical expression for the RD subjected to seismic sequence is proposed. The PGA of aftershock is scaled to five levels to study the effect of aftershock. The RD and ductility-based Rμ are compared to study the effect of cumulative damage.