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针对钢筋混凝土异形柱抗震性能较差的特点,选取三榀异形柱中框架作为研究对象,分别为钢筋混凝土异形柱框架、型钢混凝土异形柱框架和钢管混凝土异形柱框架,采用有限元分析软件OpenSees对三者进行Pushover分析。研究结果表明:型钢混凝土异形柱框架和钢管混凝土异形柱框架较钢筋混凝土异形柱框架在承载能力和位移延性等方面有较大提高,为异形柱结构体系的理论分析和推广应用提供了参考。
Aiming at the poor seismic performance of reinforced concrete special-shaped columns, three-column special-shaped columns are selected as the research objects, which are reinforced concrete special-shaped column frame, special-shaped steel reinforced concrete column frame and special-shaped column concrete-filled steel tube column frame respectively. Finite element analysis software OpenSees Pushover analysis of the three. The results show that the SRC special-shaped column frame and the SRC special-shaped column frame have a greater improvement in bearing capacity and displacement ductility than the SRC special-shaped column frame, which provides a reference for the theoretical analysis and application of special-shaped column structural system.