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选取剪力墙宏观模型中的多垂直杆元模型,利用Matlab软件编写程序,对比6个1/4缩尺的内置型钢桁架组合剪力墙试件的试验结果及模型分析的骨架曲线。研究结果表明:采用多垂直杆元模型的数值模拟与试验结果的骨架曲线吻合良好,承载力与刚度退化特征一致;采用钢筋混凝土剪力墙与内置型钢桁架组合的建模方法能够较好地模拟组合剪力墙的剪切本构关系。基于数值分析软件Matlab的多垂直杆元模型在组合剪力墙中的应用合理有效。
The multi-vertical rod-element model in the macroscopic model of the shear wall is selected. The program is compiled by Matlab software, and the test results of six 1/4-foot built-in steel truss composite shear wall specimens are compared with the skeleton curves of the model analysis. The results show that the numerical simulation of the multi-vertical rod-element model is in good agreement with the experimental results, and the bearing capacity is consistent with the degradation of the stiffness. The modeling method based on the combination of RC shear wall and built-in steel truss can well simulate Shear Constitutive Relationship of Combined Shear Wall. The multi-vertical rod-element model based on numerical analysis software Matlab is reasonable and effective in the combined shear wall.