Research on the random seismic response analysis for multi- and large-span structures to multi-support excitations

被引：0
|
作者：
Bo Zhao
Yuanqing Wang
Zhihua Chen
Yongjiu Shi
Yang Jiang
Yihong Wang
机构：
[1] Tianjin University,School of Civil Engineering
[2] Tsinghua University,Key Laboratory of Structural Engineering and Vibration of Education Ministry, Department of Civil Engineering
来源：
Earthquake Engineering and Engineering Vibration | 2015年 / 14卷
关键词：
random seismic response; multi-support excitations; large-span structures; wave-passage frequency; coherence function;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The pseudo excitation method (PEM) has been improved into a more practical form, on which the analytic formulae of seismic response power spectral density (PSD) of simplified large-span structural models have been derived. The analytic formulae and numerical computing results of seismic response PSD have been derived to study the mechanism of multi-support excitation effects, such as the wave-passage effect and incoherence effect, for the seismic response of multiand large-span structures. By using a multi-span truss as an example, the influence of multi-support excitation effects on the seismic response of such structures is studied.
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收藏
页码：527 / 538
页数：11
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