Strength and ductility performance of concrete-filled steel tubular columns after long-term service loading

Hui Liu,Yongxiang Wang,Minghua He,Yongjiu Shi,Haim Waisman

Engineering Structures（2015）

引用 39|浏览7

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摘要

•A simplified model for concrete-filled steel tubular CFST columns is proposed.•The model is semi analytical and accounts for long-term service loading.•The model is validated with available experiments and FEM modeling.•Extensive parametric study is conducted to examine CFST critical design parameters.

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关键词

Concrete-filled steel tubular columns,Long-term service loading,Creep,Stress–strain relationship,Strength,Ductility

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