西华大学学报（自然科学版）2012，Vol.31Issue(3)：105-108,4.
大跨度斜拉桥的随机地震响应分析
Seismic Response Analysis of Long - span Cable - stayed Bridge under Random Excitation
摘要
Abstract
In this paper, the authors develop displacement time-history response equation based on the classical structural dynamic formula. A 3D finite element model for a cable-stayed bridge is constructed to analyze the dispalacement respone under seismic. The study shows the influence of vertical force on bridge longitudinal displacement is reduced obviously while it does not exist in vertical displacement under multi-component seismic excitation. Consequently, the influence of multi-component seismic excitation should be considered for the design of cable-stayed bridge.关键词
斜拉桥/多维激励/地震响应/时程分析Key words
cable-stayed bridge/mutli-component excitation/ seismic respone/time-history analysis分类
交通工程引用本文复制引用
梅涛,肖盛燮..大跨度斜拉桥的随机地震响应分析[J].西华大学学报（自然科学版）,2012,31(3):105-108,4.基金项目
国家自然科学基金项目(50879097) （50879097）
重庆市国土局项目 （）
