（1 西安建筑科技大学土木工程学院， 西安 710055；

2 西安理工大学土木建筑工程学院， 西安 710048）

［摘要］为了建立新型钢连梁混合联肢墙节点的恢复力模型，进行了3个足尺的、连梁为剪切屈服型的混合联肢墙节点的低周往复加载试验，试验参数包括跨高比和面承载板的设置。得到了新型混合联肢墙节点在低周反复荷载作用下的滞回曲线、骨架曲线、强度退化规律和刚度退化规律。试验结果表明：新型钢连梁混合联肢墙节点抗震性能良好，其性能类似于偏心支撑钢框架耗能梁段。基于试验数据，采用回归分析的方法建立了新型钢连梁混合联肢墙节点的恢复力模型。对比分析表明，该模型的计算结果与试验结果吻合良好。

［关键词］混合联肢墙； 抗震性能； 恢复力模型； 强度退化； 刚度退化

中图分类号：TU318，TU398    文献标识码：A    文章编号：1002-848X(2015)03-0021-06

Experimental study on restoring force model of connection

in innovative hybrid coupled wall system

Song Anliang1, Su Mingzhou1, Wang Zhenshan2, Wang Li1

 (1 School of Civil Engineering, Xi′an University of Architecture and Technology, Xi′an 710055, China；

2 School of Civil Engineering and Architecture, Xi′an University of Technology, Xi′an 710048, China)

Abstract:In order to set up the restoring force model of connection in innovative hybrid coupled wall system, three fullscale connections in innovative hybrid coupled wall system with shearyield typed coupling beams were tested under low cyclic loading. The main test parameters were spantodepth ratios and setting parameter  of surface bearing plate. The hysteretic loops, skeleton curves, the law of strength deterioration and the law of stiffness deterioration of connection in innovative hybrid coupled wall under low cyclic loading were obtained. The experimental results show that the new connection shows well seismic performance, and the performance of the connection is similar to the link in the eccentrically braced steel frame. Based on the experimental data, the  restoring force model of the connection was built through regression analysis method. Comparison analysis shows that the model calculating results and experimental results agree well.

Keywords:hybrid coupled wall; seismic performance; restoring force model; strength deterioration; stiffness deterioration

*国家自然科学基金资助项目(50878182)，陕西省自然科学基金（SJ08E209）。

作者简介：宋安良，博士，Email:allsong1985@163.com。

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