钢管混凝土轴心受压承载力计算

Bearing Capacity of Concrete-filled Steel Tube under Axial Compression

总结了现有钢管混凝土轴心受压承载力的计算方法 ,对约束混凝土轴心抗压强度的理论和试验研究成果进行了回顾 ,同时在约束混凝土理论基础上 ,建立了钢管混凝土轴心受压承载力的计算公式 ,并与其他方法进行了数值比较。结果显示 ,此方法与试验结果符合较好。

Computing methods for bearing capacity of concrete filled steel tube(CFST) under axial compression are summarized, tests and theories of axial compression strength of confined concrete are discussed . Based on confined concrete theories, new methods for bearing capacity of CFST under axial compression are proposed, numerical analyses are carried out. From the computing results, new methods based on confined concrete show good agreement with the test.