不同连梁跨高比带暗支撑双肢剪力墙抗震性能试验研究  

Experimental study on seismic performance of RC coupled shear wall with concealed bracings in different span-height-ratio of lintel beam

作　　者：董宏英[1] 曹万林[1] 胡国振[2] 田宝发 宋文勇 

机构地区：[1]北京工业大学建筑工程学院,北京100022 [2]河北工程技术高等专科学校,河北沧州061001 [3]沧州市建筑设计研究院,河北沧州061001

出　　处：《地震工程与工程振动》2005年第1期92-96,共5页Earthquake Engineering and Engineering Dynamics

基　　金：国家自然科学基金项目(50378005); 北京市自然科学基金项目(8032005); 北京市教委基金项目(KM200410005017)

摘　　要：为探讨不同连梁跨高比带暗支撑双肢剪力墙的抗震性能,进行了 2组连梁跨高比分别为 1. 0和1. 5的 4个 4层双肢剪力墙 1 /4缩尺模型的抗震性能试验研究。较系统地分析了结构的刚度及其退化过程以及承载力、延性、耗能、破坏机制和破坏特征等。结果表明,连梁跨高比相对小的带暗支撑双肢剪力墙抗震性能较好。承载力计算结果与实测值符合较好。In order to analyze the seismic performance of RC coupled shear wall with concealed bracings in different span-height-ratio of lintel beam, experimental study on seismic performance for 2 sets of four-floor scale models of RC coupled shear wall with concealed bracings was put forward. The span-height-ratio of the lintel beam of one set is 1.0, and the other is 1.5. The structure stiffness and its deterioration process, bearing capacity, ductility, energy dissipation, failure mechanism and failure feature are analyzed systematically. Through experimental analysis. it proved that RC coupled shear wall with concealed bracings is more effective in the smaller span-height-ratio of the lintel beam. The calculating results on bearing capacity of the specimens are found coincident with the actual measured ones.

关 键 词：钢筋混凝土 双肢剪力墙 跨高比 暗支撑 抗震性能 

分 类 号：P315.97[天文地球—地震学] TU375[天文地球—固体地球物理学]