带挑檐的钢筋桁架复合保温剪力墙抗震性能试验研究  

Experimental study on seismic performance of reinforced truss composite insulated shear wall with eaves

作　　者：戎贤 穆尧鹏 李鹏 张健新 RONG Xian;MU Yaopeng;LI Peng;ZHANG Jianxin(School of Civil and Transportation Engineering,Hebei University of Technology,Tianjin 300401,China;Civil Engineering Technology Research Center of Hebei Province,Tianjin 300401,China;Anneng Green Building Technology Co.,Ltd,Shijiazhuang 050599,China)

机构地区：[1]河北工业大学土木与交通学院,天津300401 [2]河北省土木工程技术研究中心,天津300401 [3]安能绿色建筑科技有限公司,石家庄050599

出　　处：《建筑结构》2024年第5期111-116,共6页Building Structure

基　　金：河北省重点研发计划(20374507D);天津市自然科学基金重点基金(20JCZDJC00370);河北省自然科学基金项目(E2020202134、E2021202012)。

摘　　要：提出了一种带挑檐的钢筋桁架复合保温剪力墙,设计了两个足尺的剪力墙试验构件,通过对其进行拟静力抗震试验,分析了这种墙体的的破坏特征、滞回性能、承载力、延性、强度和刚度退化以及墙体的耗能能力。结果表明:钢筋桁架复合保温剪力墙裂缝分布基本相同,均呈现弯曲破坏特征,设置挑檐的试件裂缝延伸至保温板外保护层,结构层与保温层有很好的整体工作性能;未设置挑檐的试件保温板外保护层无裂缝产生,整体工作性能较差。设置挑檐的钢筋桁架复合保温剪力墙峰值荷载、位移延性、累计耗能提高,具有良好的承载性能和延性性能,滞回曲线更加饱满,刚度退化得到减缓,说明设置挑檐提高了钢筋桁架复合保温剪力墙的整体抗震性能。A reinforced truss composite insulated shear wall with eaves was proposed.Two full-scale shear wall test elements were designed and the damage characteristics,hysteretic performance,bearing capacity,ductility,strength degradation,stiffness degradation and energy dissipation capacity of the wall were analyzed through the proposed static seismic test.The results show that the distribution of cracks in reinforced truss composite insulated shear wall is basically the same,and all of them show bending damage characteristics.The crack of the specimen with eaves extends to the outer protective layer of the thermal insulation board,and the structural layer and thermal insulation layer have good overall working performance.There is no crack in the outer protective layer of the insulation board of the specimen without eaves,and the overall working performance is poor.The peak load,displacement ductility and cumulative energy consumption of the reinforced truss composite insulation shear wall with eaves are improved,and it has good bearing and ductility performance.The hysteresis curve is fuller and the stiffness degradation is reduced,indicating that the eaves can improve the overall seismic performance of the reinforced truss composite insulation shear wall.

关 键 词：复合保温剪力墙 钢筋桁架 挑檐 抗震性能 

分 类 号：TU398.2[建筑科学—结构工程]