截面中部配置型钢的混凝土剪力墙抗震性能研究

Study on seismic behavior of steel reinforced concrete wall

本文通过试验研究了型钢混凝土(SRC)剪力墙的抗震性能,对16个试件进行了低周反复加载试验,得到了这些构件的延性比;研究了高宽比等参数对型钢混凝土剪力墙抗震性能的影响。在试验中,研究了在中部配置型钢的型钢混凝土剪力墙,结果表明这种新型的型钢混凝土剪力墙具有更好的抗震性能。在试验的基础上,本文建立了型钢混凝土剪力墙恢复力骨架曲线的数学模型,为分析高层结构的非线性地震反应分析提供了基础数据。

16 specimens of steel reinforced concrete walls with different parameters were tested. These parameters are height-width ratio, axial compression ratio, and steel volume ratio of stirrups, respectively, and then, the effect of these parameters on SRC wall was evaluated. In addition, a new type wall, in which the steel was assembled in the center, was tested. According to the experiment results, this scheme can effectively improve the seismic behavior of SRC wall. Then on the basis of experiment, a restoring force model of reversal skeleton curve of SRC wall was built, and this model can be used in nonlinear seismic analysis of SRC structures.