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工程力学 2012

圆锥形中空钢管-钢筋混凝土叠合短柱轴压力学性能研究

DOI: 10.6052/j.issn.1000-4750.2012.05.S057, PP. 195-200

Keywords: 圆锥形,中空钢管-钢筋混凝土,叠合短柱,轴压,有限元分析

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Abstract:

该文利用有限元软件ABAQUS建立了圆锥形中空钢管-钢筋混凝土叠合短柱轴压力学性能分析的有限元计算模型，并进行了12个圆锥形中空钢管-钢筋混凝土叠合短柱轴压试验。有限元计算与试验所得的荷载-位移全过程曲线及破坏形态吻合较好。在此基础上对内钢管与混凝土之间的相互作用进行了分析，并对锥度、材料强度、空心率、配筋率等参数对轴压时叠合短柱初始刚度、极限承载力及荷载-位移曲线的影响进行了比较。

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