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中文摘要：
滞回曲线，分析其刚度和承载力。结果表明，实腹式配钢的SRC异形柱框架具有良好的抗震性能，破坏机制为梁铰机制；刚度退化由快到慢，呈现出较好的规律性；对SRC异形柱框架的弹性层刚度进行计算，结果与试验结果符合较好；承载力衰减随加载位移的增加而增大，但当位移小于5△Y时，同级位移下承载力衰减较小；实腹式SRC异形柱框架的层问受剪承载力可采用柱底塑性铰法进行计算。
英文摘要：
According to the experimental study on two frame models composed of reinforced concrete beams and solid steel reinforced concrete （SRC） special-shaped columns under low cyclic reversed loading, the failure pattern and load-displacement hysteretic loops were obtained, and the stiffness and loading capacity were analyzed. The results show that, solid SRC frames with special-shaped columns have excellent seismic performance, and the failure mechanism is the beam-hinged mechanism. The degradation speed stiffness of the structure chances from fast to slow, which shows good regulation. The elastic story stiffness of solid SRC frame with special-shaped columns is calculated, and the results are close to the test results. The strength degradation develops with the increase of displacement, but when the displacement is less than 5Ay, the loading capacity degradation is not obvious under the same displacement. The method of plastic hinge forming at the column bottom is applicable for the calculation of store shear caoacitv of solid SRC frame with special-shaped columns.
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