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低周反复荷载下钢梁-混凝土墙节点受力性能试验
覃银辉1,刘文吉2,蒋华3,刘付华4
摘 要
低周反复荷载下钢梁-混凝土墙节点受力性能试验
覃银辉1,刘文吉2,蒋华3,刘付华4(1 中南林业科技大学土木建筑与力学学院,长沙 410004;2 中山市建筑设计院有限公司,中山 528400; 3 中山市房屋安全鉴定所,中山 528403;4 中机国际工程设计研究院,长沙 410004)
[摘要]结合实际情况,对3个钢梁-混凝土刚接节点试件进行了低周反复荷载试验,3个节点的破坏形态、滞回曲线特性、刚度变化等一系列受力性能表明,试件的延性及耗能能力均满足抗震设计要求,螺栓规格的提高能显著提高节点的承载力及抗震性能,连接板厚度的增加也能提高节点的承载力及抗震性能,但效果不是很明显。
[关键词]钢梁-混凝土墙;节点;受力性能;抗震性能
中图分类号:TU398文献标识码:A文章编号:1002-848X(2011)01-0006-05
Experiment on steel beam and concrete wall joint under low reversed cyclic loading
Qin Yinhui1, Liu Wenji2, Jiang Hua3, Liu Fuhua4
(1 Department of Civil Engineering and Mechanics, Central South University of Science and Technology, Changsha 410004, China;
2 Zhongshan Architecture Co., Ltd., Zhongshan 528400, China; 3 Zhongshan Housing Safety Appraisal Office, Zhongshan
 528403, China; 4 China Machinery International Engineering Design and Research Institute, Changsha 410004, China)
Abstract:On the basis of the former researches practice, low reversed cyclic load experiment on three rigid joints of steel beam and concrete wall were taken. The damage shape, hysteretic curve and stiffness change of the three rigid joints were analyzed. It is revealed that the durability and energy dissipation capacity of the three rigid joints can meet the seismic design requirements.  The carrying capacity and seismic performance of the joint increase significantly with the bolt diameter increasing. The increasing of connection plate thickness could improve their performance as well, but the effect was not clear.
Keywords:steel beam-concrete wall; joint; mechanical performance; seismic performance
作者简介:覃银辉,硕士,讲师,一级注册结构工程师,Email:qinyinhui2003@163.com。
参考文献
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