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中文摘要：
抑制屈曲支撑可在拉压循环荷载作用下均达到屈服,拉压承载力基本一致,滞回曲线稳定饱满,耗能能力强。基于Benchmark模型对安装抑制屈曲支撑的钢框架结构基于ANSYS的数值分析表明,抑制屈曲支撑不仅可使结构在小震时的抗侧刚度有所提高,同时在大震时通过其往复滞回变形发挥耗能减振作用,大大地降低了结构的地震响应,提高了结构的抗震性能。同时分析表明考虑高阶振型影响的能力谱分析方法是一种更为精确的分析方法。
英文摘要：
BRBs are confirmed to have nearly the same yielding stress and ultimate strength under tension and compression. The .BRBs can undergo fully - reversed axial yield cycles without loss of stiffness and strength, whose seismic energy dissipation ability is superior. Based on the numerical analysis of Benchmark building in ANSYS, when the steel frame is installed with BRBs, the stiffness of the steel frame will be improved under frequent earthquake. Under rare earthquake, the energy dissipation is completed by the hysteretic deformation of BRBs, the seismic responses of the structures will be greatly reduced and the seismic performance will be improved. When the higher vibration modes are considered, the capacity spectrum analysis method will be improved.
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