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Analytical investigation of mixed BRBF and SCBF braced steel frames

机译:BRBF和SCBF混合支撑钢框架的分析研究

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In this paper the nonlinear?inelastic behavior of two kinds of braced frame systems, i.e., specialconcentric steel braced frame, SCBF, and buckling restrained braced frame system, BRBF, havebeen investigated. Several structural models have been analyzed and designed by currentstandards and their push-over and cyclic analysis has been performed using Opensees software.As the results showed, the inelastic behavior of BRBF was mostly localized in the lowerstories. Therefore; it is possible to replace the BRBF for SCBF in upper stories without anyadverse effect on the ductility and energy absorption of the whole system. The number of storieswhere the substitution of BRBF for SCBF seems to be feasible has been determined though itmust be further examined.
机译:本文研究了两种支撑框架系统的非线性弹性行为,即特殊的 同心钢支撑框架SCBF和屈曲约束支撑框架系统BRBF具有 被调查了。目前已经对几种结构模型进行了分析和设计 使用Opensees软件已经执行了这些标准及其推覆和循环分析。 结果表明,BRBF的非弹性行为主要集中在下部 故事。所以;有可能在没有任何故事的情况下将SCBF替换为BRBF 对整个系统的延展性和能量吸收有不利影响。故事数 已确定将BRBF替换为SCBF似乎可行的方法 必须进一步检查。

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