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本文将框架-剪力墙结构算例模型中的剪力墙简化为单墙柱模型和双墙柱模型后,采用平面铰接体系利用静力弹塑性分析程序,得出层剪力和层间位移曲线。利用该曲线确定与框架-剪力墙算例模型相对应的多质点系振动层模型侧移刚度,进行弹塑性地震响应时程分析。同时与ANSYS所得结果进行比较。考虑结构等效抗侧刚度放大系数的和等效面积增大系数的影响,对该结构进行弹塑性时程分析。结果表明:剪力墙单墙柱和双墙柱模型具有一定的合理性和实用性,利用它可以作偏于安全设计,本文计算方法能为结构抗震初步设计提供一种手段。
In this paper, the shear wall in the framework-shear wall structure model is simplified as a single-wall column model and a double-wall column model. By using the plane hinge system, the static elastoplastic analysis program is used to derive the layer shear force and the interlayer displacement curve. The curve is used to determine the lateral stiffness of the multi-particle system vibration model corresponding to the frame-shear wall model, and the elasto-plastic seismic response time history analysis is carried out. At the same time with the results of ANSYS were compared. Considering the influence of the structural equivalent anti-side stiffness amplification coefficient and the equivalent area increasing coefficient, the elasto-plastic time history analysis of the structure is carried out. The results show that the shear wall single-wall column and double-wall column model have some rationality and practicability, which can be used as safety design. The calculation method in this paper can provide a means for the seismic design of the structure.