摘要
为提高钢筋浆锚连接装配式剪力墙的力学性能,采用闭合扣接约束箍筋对传统钢筋浆锚装配式剪力墙进行改进,通过改进型钢筋浆锚连接装配式剪力墙的低周反复加载试验,证明了闭合扣接约束箍筋能够有效提高钢筋浆锚连接装配式剪力墙的力学性能.为确定改进型钢筋浆锚连接装配式剪力墙接缝的压弯承载力计算方法,对钢筋浆锚连接装配式剪力墙的破坏机理进行分析并提出简化的钢筋浆锚连接接缝承载力计算模型,结合现行规范设计公式提出钢筋浆锚连接装配式剪力墙的接缝承载力计算方法.采用规范公式计算和截面应力积分计算,得到改进型钢筋浆锚连接装配式剪力墙接缝的承载力.通过计算承载力与试验实测承载力的对比,证明了改进型钢筋浆锚连接装配式剪力墙接缝承载力简化计算模型和计算方法的合理性.
The closure buckle steels was applied to improve the traditional steel grouted connecting precast wall to improve the mechanical properties of the steel grouted connecting precast wall. By the low cyclic loading experimental test of the improved steel grouted precast wall connector, that the closure buckle steels can efficiently improve the mechanical properties of the steel grouted connecting precast wall, was proved. After that, in order to determine the capacity calculation method for the improved steel grouted precast wall connector, this paper analyzed the typical shear failure mechanism of steel grouted connecting precast wall, especially the interface failure, and proposed the simplified capacity calculation model for the improved steel grouted precast wall connector. Afterward, by combining with the capacity calculation formulas of the cast-in-place shear wall provided by the current design code, the capacity calculation method for the improved steel grouted precast wall connector was determined. Finally, the joint capacity of the connector was calculated using the proposed calculation formulas and the section integral method. By comparing the calculated capacity using the method proposed above to the section stress integral calculation results and the experimental test results;it can be illustrated that the proposed simplified capacity calculation model and the calculation method for the improved steel grouted precast wall connector can be reasonable.
出处
《哈尔滨工业大学学报》
EI
CAS
CSCD
北大核心
2015年第12期112-116,共5页
Journal of Harbin Institute of Technology
基金
国家"十二五"科技支撑项目(2011BAJ10B03)
关键词
闭合扣接箍筋
改进型钢筋浆锚连接
装配式剪力墙
承载力
the closure buckle steels
the improved grouted connecting
precast wall
bending bearing capacity
