Six specimens with three steel categories, three kinds of cross section shape and two kinds of composed method are tested under statically cyclic loading.Seismic performances are studied.

• 通过低周反复荷载加载试验，研究了防屈曲支撑的力-位移滞回曲线、割线刚度及其退化过程、等效粘滞阻尼比等抗震性能。