爆破地震波作用下砌体结构的动力分析  

Dynamic Analysis of Masonry Structure by the Action of Blasting Seismic Wave

作　　者：魏文晖[1] 陈灿[1] 

机构地区：[1]武汉理工大学,湖北武汉430070

出　　处：《爆破》2003年第3期8-10,13,共4页Blasting

摘　　要：　对爆破地震波作用下砌体结构进行了动力分析,推导了砌体结构层模型的侧移刚度矩阵,建立了爆破地震波作用下砌体结构的时程分析方法。并利用福建周宁水电站地下厂房开挖爆破的地震波,对其周边的一栋五层砌体结构,进行了实例分析,通过与构造地震波作用下结构的动力反应进行了对比,对其安全性进行了评估。A dynamic analysis of masonry building encountering the blasting seismic wave is presented. A floor model's lateral stiffness matrix of the masonry building is deduced, and the timehistory analysis method of masonry building encountering the blasting seismic wave is established. Meanwhile, the author adopts and analyses the blasting seismic wave in excavating underground workshop of Zhouning hydropower plant(Fujian province) and in a nearby fivefloor masonry building. At last, a security evaluation is made by contrasting with the results of dynamic responses under seismic waves.

关 键 词：爆破地震波 周边建筑 砌体结构 动力分析 侧移刚度矩阵 安全性 评估 水电站 

分 类 号：TV542[水利工程—水利水电工程]