Seismic Reliability Analysis of Bridge Structures Subjected to Multi-Support Excitations by Response Spectrum Method

柳春光; 杜勇刚; 刘鑫

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Seismic Reliability Analysis of Bridge Structures Subjected to Multi-Support Excitations by Response Spectrum Method

更新时间：2025-12-11

- Seismic Reliability Analysis of Bridge Structures Subjected to Multi-Support Excitations by Response Spectrum Method
- Issue 3, Pages: 270-274(2007)
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  CLC： 442.55
- Published：2007
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[1]柳春光,杜勇刚,刘鑫.基于反应谱法的多点激励下桥梁结构抗震可靠性分析[J].防灾减灾工程学报,2007(03):270-274.

柳春光, 杜勇刚, 刘鑫. Seismic Reliability Analysis of Bridge Structures Subjected to Multi-Support Excitations by Response Spectrum Method[J]. 2007, (3): 270-274.
[1]柳春光,杜勇刚,刘鑫.基于反应谱法的多点激励下桥梁结构抗震可靠性分析[J].防灾减灾工程学报,2007(03):270-274. DOI：

柳春光, 杜勇刚, 刘鑫. Seismic Reliability Analysis of Bridge Structures Subjected to Multi-Support Excitations by Response Spectrum Method[J]. 2007, (3): 270-274. DOI：

摘要

基于随机振动理论

利用多点非一致地震力激励理论方法

分析了大跨度桥梁结构的抗震可靠度反应谱计算方法

并且给出结构峰值反应的均值、标准差计算公式

克服了既有设计方法不能给出标准差而无法直接进行可靠性分析的缺点

并利用简化后的复杂参数分析方法

在保证数据准确性的同时提高了计算效率。最后

以一刚构桥为例

对多点激励下桥梁结构抗震可靠度反应谱法加以计算

并与一致激励下的结果相比较

从而说明本文方法的可靠性。

Abstract

The aseismic reliability analysis method of bridge structures by means of response spectrum method is presented based on stationary random vibration theory in this paper

and response variables of response mean and variance are gotten.This method overcomes the disadvantage of being incapable to obtain variable results so as to analyze impossibly the reliability of bridge structures under multi-support excitations.In addition

the simplified method of the correlation coefficients is also proposed which is more convenient to study the reliability of bridge structure.Finally

an example of a rigid bridge structure is showed and some meaning results are gotten

which are also compared between uniform and non-uniform seismic excitations.All analysis methods of above can be employed to study reliability of practical bridge structure subjected to multi-support seismic excitations.

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references

多点输入反应谱法的理论研究 [J]. 刘先明,叶继红,李爱群. 土木工程学报 . 2005(03)

多点非一致激励长跨结构抗震可靠度分析 [J]. 丁光莹,李杰. 世界地震工程 . 2000(03)

ANSYS土木工程应用实例[M]. 中国水利水电出版社 , 郝文化主编, 2005

生命线地震工程导论[M]. 大连理工大学出版社 , 柳春光[等]著, 2005

随机振动的虚拟激励法[M]. 科学出版社 , 林家浩,张亚辉著, 2004

工程结构可靠度计算方法[M]. 大连理工大学出版社 , 贡金鑫著, 2003

桥梁抗震[M]. 同济大学出版社 , 范立础编著, 1997

Seismic Random‐Vibration Analysis of Multisupport‐Structural Systems [J] . Ernesto Heredia&hyphen,Zavoni,Erik H. Vanmarcke. Journal of Engineering Mechanics . 1994 (5)

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