Jianzhu Gangjiegou Jinzhan为提高屈曲约束支撑（buckling-restrained brace，BRB）在小变形阶段的消能性能，将金属消能器与国产Q355钢芯材的BRB并联，构成新型多级屈服复合减震（简称SD-BRB）构件。在试件小变形阶段，金属消能器率先屈服消能；当试件变形增大时，BRB进入屈服阶段，从而实现两阶段屈服设计目标。文中设计了2根试件，用以通过试验对比复合减震构件与常规BRB构件的抗震性能。试验结果表明：与国产Q355钢为芯材的BRB并联的构件其抗震性能满足建筑抗震设计规范的要求。相比传统BRB ...
施海熔, 胡大柱, 孙航
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