【作者】 姜伟庆； 张芸； 秦桁； 薛伟辰；

【Author】 JIANG Wei-qing~1,XUE Wei-chen~1 (1.Department of Architectural Engineering,Tongji University,Shanghai 200092,China; 2.Beijing VANKE Business Corporation,Beijing 100125,China)

【机构】 同济大学建筑工程系； 北京万科企业有限公司；

【摘要】 连接件是连接预制夹心保温墙体内外叶混凝土墙板的关键部件,其力学性能直接影响墙体的安全性。基于开发的一种新型纤维增强塑料(FRP)连接件,完成了设置两种保温层厚度(50mm和70mm)的新型FRP连接件拔出试验,对此种FRP连接件的抗拔承载力、破坏形态、荷载-应变曲线以及荷载-滑移曲线进行了研究。研究表明:试件均发生连接件锚固端混凝土劈裂破坏;50 mm厚保温层FRP连接件抗拔承载力为11.9 kN,为荷载设计值的8.0倍,70 mm厚保温层FRP连接件抗拔承载力为13.4 kN,为荷载设计值的8.7倍,均满足工程设计要求,并有较大的安全储备。更多还原

【Abstract】 The connector isthe key part toconnect the inside and outside wall panels of precast concrete sandwichwalls,its mechanical properties directly determine the safety of the wall.Based on the Tensile Testsof two different kinds of FRP Conriectorswith insulation layerof 50 mm and 70 mm,the paper make a system research of theFRPconnectors’tensile bearing capacity,failure pattern,loading-strain curve and load-slip curve.Research shows that:the specimens have been connector anchor end concrete fracturing;Tit’s8.0times of the load design value,The 70 mm insulation layerFRP Connectors’tensile bearing capacityis 13.4kN,it’s 8.7 times of the load design value.It can meet the requirements of engineering design,and have largersafty reserves.更多还原