汶川地震中框架填充墙结构震害数值模拟分析  

Numerical analysis of seismic damage of masonry infilled reinforced concrete frames in Wenchuan earthquake

作　　者：吴阳[1] 柳炳康[1] 

机构地区：[1]合肥工业大学土木与水利工程学院,安徽合肥230009

出　　处：《合肥工业大学学报（自然科学版）》2010年第9期1372-1377,共6页Journal of Hefei University of Technology：Natural Science

摘　　要：文章基于框架填充墙结构震害调查,分析了该结构震害产生的机理,建立填充墙等效斜撑分析模型,运用模态及静力弹塑性(Pushover)分析方法,对地震区一栋带有填充墙的框架结构建筑物进行数值计算。研究表明,填充墙的存在虽然会增加结构的刚度,增大地震作用,但是填充墙能吸收和消耗大量地震能量,保护框架主体结构免遭损伤,有利于提高房屋结构整体抗震能力。Based on the investigation into masonry infilled RC frames in Wenchuan earthquake,this paper analyzes the damage mechanism of the masonry infilled RC frames,and applies equivalent diagonal strut to simulate a damaged building in the earthquake area by the methods of module and Pushover.The research indicates that although the masonry infilled frame increases the initial stiffness of the structure and the earthquake action,it can absorb and consume most seismic energy,which protects the frames from damage and improves the buildings＇ seismic performance.

关 键 词：填充墙 抗震性能 等效斜撑模型 静力弹塑性分析 

分 类 号：TU378.4[建筑科学—结构工程] TU311.41