汶川地震中某3层砖混结构地震反应分析

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英文篇名：Earthquake-response Analysis of a Three-storey Brick-concrete Composite Structure in Wenchuan Earthquake 中文刊名：国防交通工程与技术 英文刊名：Traffic Engineering and Technology for National Defence 作者：王永明 ; 陈建华 ; 葛东晓 英文作者：Wang Yongming ; Chen Jianhua ; Ge Dongxiao(Department of Civil Engineering ; Tianjin Institute of Urban Construction ; Tianjin 300384 ; China) 中文关键词：砖混结构 ; 非线性时程分析 ; 地震动 ; 反应谱 ; 位移 ; 剪力 英文关键词：brick-concrete composite structure ; nonlinear time history analysis ; ground motion ; response spectrum ; displacement ; shear 出版日期：2009-11-20 机构：天津城市建设学院土木工程系; 年：2009 期：06 出版单位：国防交通工程与技术

摘要

以四川省江油市重华镇一栋3层砖混结构为例,输入汶川地震中当时当地地震动,进行非线性时程分析,并与实际震害进行了比较,结果表明:时程分析法中采用的四折线恢复力模型合理,各特征点参数选取正确;分析结果与实际震害吻合较好,时程分析法可以可靠地分析砌体结构的非线性性态。
With a certain brick-concrete composite building,which is located in Chonghua Town,Jiangyou city,Sichuan province,as a practical example,a nonlinear time-history analysis is made of the building,with the then local quaking record in Wenchuan earthquake input into it.The result is compared with that of the actual earthquake damage,the result of which shows that the use of the 4-polyline method for the time-history analysis is reasonable,and parameters of characteristic points are correctly chosen.The result of the analysis coincides well with that of the actual earthquake damage,according to which the method of time-history analysis is found to be able to be safely used for analyzing the nonlinear behavior of masonry structures.

引文

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