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中文摘要：
提出带约束拉杆矩形钢管混凝土短柱轴压承载力的简化计算方法。该方法考虑了轴压下矩形钢管长边、短边竖向强度的不同,同时考虑了约束拉杆和钢管对核心混凝土的约束作用,且表达式简单,方便应用。应用该方法对带约束拉杆矩形钢管混凝土短柱试件的轴压承载力进行计算,计算结果与试验结果比较表明,两者吻合良好。
英文摘要：
A simplified method is proposed for calculating ultimate capacity of rectangular CFT stub columns with binding bars under axial compression.The method considers the difference between longitudinal steel strength of broad faces and that of narrow faces of rectangular steel tube under axial compression.The confinement effects on the concrete core provided by binding bars and steel tube are also taken into account.Furthermore,the expression of the method is simple so that it is easily applied.The proposed method is used to calculate ultimate capacity of the specimens of axially loaded rectangular CFT stub column with binding bars.The calculated results are compared with experimental results,which show a good agreement.
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