异形柱组合框架-屈曲约束钢板剪力墙抗震性能试验研究

Experimental study on seismic performance of buckling-restrained steel plate shear wall with special-shaped column composite frame

为探索异形柱组合框架-屈曲约束钢板剪力墙的抗震性能,设计制作了1个缩尺比为1∶1.5的单跨单层试件以及1个非加劲对比试件,对其进行水平低周往复加载下的抗震性能试验。结果表明,异形柱组合框架-屈曲约束钢板剪力墙抗侧承载力较大,延性较好,极限位移角达1/25,塑性变形能力较强;试件的破坏模式、屈服承载力、峰值承载力、延性系数、耗能能力以及应变水平等有较好的提高与改善。

In order to study the seismic performance of buckling-restrained steel plate shear wall(SPSW)with special-shaped column composite frame,a single-span single-story specimen with a scaling ratio of 1∶1.5 and an unstiffened specimen were designed and manufactured,which were subjected to seismic performance tests under horizontal low cycle reciprocating loading.The results show that buckling-restrained SPSW with special-shaped column composite frame had a large lateral bearing capacity,good ductility,and its ultimate displacement angle is 1/25 and the plastic deformation ability is strong.The failure mode,yield bearing capacity,peak bearing capacity,ductility coefficient,energy dissipation capacity and strain level of the specimens have been improved.