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通过2榀钢骨混凝土柱-钢梁框架的低周反复荷载试验,对钢骨混凝土组合框架的滞回性能、延性、耗能性能、刚度衰减等抗震性能进行研究。并依据JGJ 138—2001《型钢混凝土组合结构技术规程》及YB 9082—2006《钢骨混凝土结构技术规程》计算组合框架的极限承载力。结果表明,钢骨混凝土柱-钢梁框架结构具有良好的抗震性能,两部规程的计算方法均有较高的精度。
Through the low-cycle cyclic loading test of 2 × steel-reinforced concrete (SRC) column-steel beam frame, the seismic performance of the SRC frame is studied, such as hysteretic behavior, ductility, energy dissipation performance and stiffness attenuation. The ultimate bearing capacity of the composite frame was calculated according to JGJ 138-2001 Technical Specification for Steel-Concrete Composite Structures and YB 9082-2006 Technical Specification for Steel-Reinforced Concrete Structures. The results show that the RC frame-steel beam frame structure has good seismic performance, and both methods have higher accuracy.