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基于经过试验验证过的考虑截面翘曲影响的纤维单元模型,该文考虑工程中剪力墙的可能高宽比范围、配筋率、轴压比、砌体抗压强度值等主要因素,用均匀设计法安排一字型配筋砌块砌体剪力墙悬臂梁模型数值模拟试验方案,进行拟静力试验数值模拟分析。结合实际试验结果,回归分析得到该类墙片恢复力特征参数与所考虑因素之间的经验公式,为一字型配筋砌块砌体剪力墙为抗侧力结构的高层结构弹塑性分析奠定了基础。
Based on the experimentally verified fiber element model that considers the effect of cross-section warpage, this paper considers the main factors such as the possible aspect ratio of the shear wall, reinforcement ratio, axial compression ratio and compressive strength of masonry. Uniform design method to arrange the Imitated Reinforced block masonry shear wall cantilever beam numerical simulation test program, the pseudo-static test numerical simulation analysis. Combined with the actual test results, the empirical formula between the characteristic parameters of restoring force and the considered factors is obtained by regression analysis, which is the elasto-plastic analysis of the high-rise structure with the monobloc reinforced block masonry shear wall as the anti-lateral force structure Foundation.