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基于实测研究结果,采用有限元分析软件ABAQUS开展轴向集中荷载作用下钢管混凝土柱的变形破坏特征对比研究。在此基础上提出双壁空心柱沿空留巷巷旁充填结构的设计思想,即采用同心钢管作为充填模板,中空位置充填高水速凝材料。
Based on the measured results, a comparative study on the deformation and failure characteristics of concrete filled steel tubular columns under axial axial load was carried out by using the finite element analysis software ABAQUS. On the basis of this, the design idea of double-walled hollow column gob-side gob-side filling structure is put forward, that is, the concentric steel pipe is used as the filling template, and the hollow position is filled with high-water quick-setting material.