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

被引：0

作者：

Zhao Bo ^{[1
]}

Wang Yuanqing ^{[2
]}

Chen Zhihua ^{[1
]}

Shi Yongjiu ^{[2
]}

Jiang Yang ^{[2
]}

Wang Yihong ^{[1
]}

机构：

[1] School of Civil Engineering, Tianjin University

[2] Key Laboratory of Structural Engineering and Vibration of Education Ministry, Department of Civil Engineering,Tsinghua University

来源：

Earthquake Engineering and Engineering Vibration | 2015年 / 14卷 / 03期

基金：

中国国家自然科学基金;

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：

TU311.3 [结构动力学];

学科分类号：

081304 ; 081402 ;

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.

引用

页码：527 / 538

页数：12

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