钢框架内填预制带竖缝钢筋混凝土剪力墙抗震性能试验研究  

Experimental study on seismic behavior of steel frame with prefabricated reinforced concrete infill slit shear walls

作　　者：赵伟[1] 童根树[2] 杨强跃 

机构地区：[1]浙江交通职业技术学院路桥分院,浙江杭州311112 [2]浙江大学建筑工程学院,浙江杭州310027 [3]浙江杭萧钢构股份有限公司,浙江杭州310003

出　　处：《建筑结构学报》2012年第7期140-146,共7页Journal of Building Structures

基　　金：住房和城乡建设部科技项目(2011-K2-19);浙江省教育厅课题(Y201122172)

摘　　要：为改进钢框架内填预制带竖缝钢筋混凝土剪力墙的抗震性能,将耳板引入钢框剪与内填墙的连接中。通过2个两层单跨缩尺比为1∶3的钢框架内填预制带竖缝钢筋混凝土剪力墙模型试件的拟静力试验研究,考察了耳板连接的可靠性和内填墙裂缝的开展与结构变形能力,分析了结构的破坏机理、滞回性能、刚度退化、变形及延性和耗能能力等。试验结果表明:抗剪连接件(U形筋)在梁柱节点上下耳板的连接处未发生破坏,耳板连接具有可靠的工作性能;钢框架带竖缝剪力墙结构具有良好的延性,平均位移延性系数大于3;内填墙的承载力由竖缝根部的剪切破坏控制。In order to inprove seismic prformance of steel frame with prefabricated reinforced concrete infill slit shear walls （SFPCW） , the ear bar device was used in the connection between the steel frame and the infill wall. Two onebay, two story, one-third scaled models of SFPCW were tested with low cyclic load. The working perfomanee of ear bar connection, the cracks developmented in infill walls and deformation performance of SFPCW were investigated. And the failure mode, hysteretic behavior, stiffness degradation, deformation and ductility and energy dissipation of composite structure were analyzed. Experimental studies show that no failure occurs in the connection between the steel frame and the infill wall because ear plates below and up the beam-to-cloumn connections are added in the specimens, and the connection device of ear plate presents good working performance. The SFPCW has good ductility with the ductility factor greater than 3. And the failure of infill walls is coused by the penetrating crack along the root of slits.

关 键 词：竖缝剪力墙 钢框架 拟静力试验 抗震性能 

分 类 号：TU392.4[建筑科学—结构工程] TU317.1