首页> 中文期刊>沈阳建筑大学学报(自然科学版) >格构式钢板组合剪力墙加固砌体结构试验

格构式钢板组合剪力墙加固砌体结构试验

     

摘要

目的 研究格构式钢板组合剪力墙的抗剪承载力和最大水平位移.方法 对4片砖墙体模型进行低周反复水平荷载试验,通过滞回曲线、骨架曲线、延性系数及刚度退化曲线,对试验模型进行了抗震性能的对比分析.结果 与未加固墙体模型相比,窗间墙模型中格构式钢板组合剪力墙的开裂荷载与极限荷载分别提高了1.94%和10.13%,延性提高了54%;纵横墙模型中格构式钢板组合剪力墙的开裂荷载与极限荷载分别提高了69.73%和42.32%,延性提高了9.8%.结论 格构式钢板组合剪力墙加固方法可有效提高砖砌体的抗侧刚度、延性、耗能能力,具有良好的抗震性能.%Study shear capacity and the maximum horizontal displacement of the lattice steel plate shear wall. Through low cyclic horizontal loading test of 4 brick wall models,got the hysteresis curve,the skeleton curve, ductility factor and stiffness degradation curve, and made a comparative analysis of the seismic performance of the test model. The experiments showed that,compared with the unstrengthened wall model,the window wall model in the lattice of steel plate shear walls cracking load and ultimate load were increased by 1. 94% and 10. 13% ,the ductility improved by 54% ; lattice model of vertical and horizontal wall steel plate shear wall cracking load and ultimate load were increased by 69. 73% and 42. 32% , ductility increased by 9. 8%. Lattice steel plate shear wall reinforcement method can effectively improve the brickwork of the lateral stiffness, ductility, energy dissipation capacity, and has a good seismic performance.

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