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通过6个型钢再生混凝土组合柱的静载试验,对型钢再生混凝土组合柱轴压承载力进行了研究。试验主要考虑再生粗骨料取代率和长细比两个参数对构件承载力的影响。由试验得出组合柱在轴心荷载下的荷载-位移曲线,分析型钢再生混凝土组合柱的破坏机理及再生粗骨料取代率、长细比对其轴压承载力的影响,提出型钢再生混凝土组合柱轴压承载力计算公式。
Based on the static load test of 6 columns of recycled concrete composite columns, the axial compression bearing capacity of SRC columns was studied. The main consideration of the test is the influence of the two parameters of the recycled coarse aggregate substitution ratio and the slenderness ratio on the bearing capacity of the component. The load-displacement curve of the composite column under axial load was obtained from the test. The failure mechanism of SRC columns and the effect of the replacement ratio and slenderness ratio of recycled coarse aggregate on the axial compressive capacity of SRC columns were analyzed. Calculation formula of bearing capacity of composite column under axial compression.