CFST边框内藏桁架高剪力墙抗震试验与有限元分析  

Seismic Testing and Finite Element Analysis of Shear Wall with CFST Columns and Concealed Trusses

作　　者：杨亚彬[1] 曹万林[2] 

机构地区：[1]华北水利水电大学土木与交通学院,郑州450045 [2]北京工业大学建筑工程学院,北京100124

出　　处：《振动与冲击》2014年第11期107-113,共7页Journal of Vibration and Shock

基　　金：国家自然科学基金(50878007);华北水利水电学院高层次人才科研启动项目(201211)

摘　　要：CFST边框内藏桁架剪力墙是一种新型组合剪力墙。为研究其抗震性能和抗震机理,进行了3个1/5缩尺高剪力墙的低周反复荷载试验。在试验研究基础上,分析了该新型组合剪力墙的承载力、延性、刚度及其衰减过程、滞回特性、耗能能力及破坏特征,通过ABAQUS有限元软件进行了弹塑性有限元分析。研究表明:CFST边框内藏桁架剪力墙具有良好的抗震屈服机制,抗震性能比普通混凝土剪力墙显著提高。Shear wall with CFST columns and concealed trusses is a new kind of shear wall.In order to analyse its seismic performance and seismic mechanism,experiments were carried out on three 1/5 scale high shear wall models.Based on the experimental research,load-carrying capacity,ductility,stiffness and its attenuation,process hysteretic property,energy dissipation and failure phenomena of each model were analyzed.The finite element analysis was done by using ABAQUS.The results show that the shear wall with CFST columns and concealed trusses has good seismic yielding mechanism,and the seismic performance are obviously improved compared to the normal RC shear wall.

关 键 词：钢管混凝土 桁架 剪力墙 抗震性能 有限元分析 

分 类 号：TU398[建筑科学—结构工程]