Seismic Response Analysis of Long-Span Suspen-Dome under Multi-Support Excitations  

作　　者：陈志华 乔文涛 王小盾 

机构地区：[1]School of Civil Engineering, Tianjin University

出　　处：《Transactions of Tianjin University》2010年第6期424-432,共9页天津大学学报（英文版）

基　　金：Supported by National Natural Science Foundation of China (No. 50778122);Program for New Century Excellent Talents in University (NCET)

摘　　要：A practical suspen-dome project, Changzhou Gym roof, is adopted as an example and its transient analysis based on the multi-support excitations of the earthquake wave is carried out. Compared with the single support excitation, the position and value of the maximum stress under multi-support excitations both change and the amount of elements with obvious changes is large and more than 70% of the total. Moreover, when other terms are not changed, this influence will decrease as the span decreases, but increa...A practical suspen-dome project, Changzhou Gym roof, is adopted as an example and its transient analysis based on the multi-support excitations of the earthquake wave is carried out. Compared with the single support excitation, the position and value of the maximum stress under multi-support excitations both change and the amount of elements with obvious changes is large and more than 70% of the total. Moreover, when other terms are not changed, this influence will decrease as the span decreases, but increase as the traveling wave speed decreases. The final result indicates that the influence of the earthquake wave passage effect on the structure system is negative and cannot be ignored.

关 键 词：SUSPEN-DOME multi-support excitations single support excitation earthquake wave passage effect 

分 类 号：TU311.3[建筑科学—结构工程]