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通过对薄钢板剪力墙结构的低周反复荷载试验研究,分析了结构的受力机理、变形破坏模式、滞回曲线、延性指标、耗能能力等抗震性能指标。针对非加劲薄钢板剪力墙屈曲后受力性能,基于刚度等效、柱最大轴力等效和柱最大弯矩等效,提出一种构造简单又能考虑对边柱不利影响的三拉杆模型TSM(Three Strip Model),并与SM模型,精细有限元模型及试验结果进行了对比,结果表明,TSM模型具有很好的精度,可供工程设计应用。
Through the test of the low cycle repeated loading of the thin steel plate shear wall structure, the seismic performance indexes such as mechanics of stress, deformation failure mode, hysteresis curve, ductility index and energy dissipation capacity are analyzed. Aiming at the buckling behavior of the non-stiffened thin steel plate shear wall, based on the equivalent stiffness, the equivalent maximum column force and the maximum column moment, a three-tie rod model with simple structure and considering the adverse influence on side columns is proposed TSM (Three Strip Model) are compared with the SM model, the finite element model and the experimental results. The results show that the TSM model has good accuracy and can be applied to engineering design.