Collapse-performance-aided design optimization of steel concentrically braced frames

Engineering Structures（2019）

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摘要

•Performance-based topology optimization of steel concentric braced frames are implemented.•Seismic collapse safety assessment is achieved for optimal designs.•The optimal designs having the largest collapse safety are chosen as the bet designs.

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关键词

Topology optimization,Performance-based design,Incremental dynamic analysis,Collapse safety,Fragility assessment,Steel concentrically braced frame

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