考虑剪力墙连梁刚度折减的设计模型研究

Study on design model considering stiffness reduction of shear wall coupling beam

基于混凝土材料刚度退化和能量等效的原则,提出了考虑剪力墙连梁刚度折减设计模型的确定方法,并将本文方法在非线性分析软件SAUSAGE和结构设计软件SATWE中完成开发实现。结合某超高层剪力墙结构在小震、中震、大震作用下的非线性时程分析结果,得到了此结构考虑连梁刚度折减的设计模型。通过结构设计软件SATWE完成此设计模型的等效线性时程分析;通过与非线性结果对比,验证了本文方法的合理性。

Based on the stiffness degradation of concrete materials and energy equivalence principle, a method for determining the design model of shear wall coupling beam stiffness reduction was presented. The method of this paper was developed by nonlinear analysis software SAUSAGE and structural design software SATWE. The nonlinear time history response of a super high-rise shear wall structure under small, medium and large earthquake were analyzed, the design model of the stiffness reduction of the coupling beam was obtained. The equivalent linear time history response of the design model was analyzed by structural design software SATWE. By comparing the equivalent linear and the nonlinear analysis results, the rationality of this method was verified.