Performance-based analysis of concrete-filled steel tubular beam–columns, Part II: Verification and applications

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Liang, Qing ORCID: 0000-0003-0333-2265 (2009) Performance-based analysis of concrete-filled steel tubular beam–columns, Part II: Verification and applications. Journal of Constructional Steel Research, 65 (2). pp. 351-362. ISSN 0143-974X

Abstract

The theory and algorithms of a performance-based analysis (PBA) technique for the nonlinear analysis and performance-based design of thin-walled concrete-filled steel tubular (CFST) beam–columns with local buckling effects were presented in a companion paper. Initial local buckling and effective strength/width formulas for steel plates are incorporated in the PBA program to account for local buckling effects. Performance indices are used in the PBA program to quantify the section, axial ductility and curvature ductility performance of thin-walled CFST beam–columns. This paper presents the verification and applications of the PBA program developed. The axial load–strain curves, ultimate axial loads and moment–curvature curves for thin-walled CFST columns predicted by the PBA program are verified by experimental data. The PBA program is then utilized to investigate the effects of local buckling, depth-to-thickness ratio, concrete compressive strengths, steel yield strengths and axial load levels on the stiffness, strength and ductility performance of thin-walled CFST beam–columns under axial load and biaxial bending. The PBA technique developed is shown to be efficient and accurate and can be used directly in the performance-based design of thin-walled CFST beam–columns and implemented in advanced analysis programs for composite columns and frames.

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Item type Article
URI https://vuir.vu.edu.au/id/eprint/4413
DOI https://doi.org/10.1016/j.jcsr.2008.03.003
Official URL http://www.sciencedirect.com/science/article/pii/S...
Subjects Historical > Faculty/School/Research Centre/Department > School of Engineering and Science
Historical > FOR Classification > 0905 Civil Engineering
Historical > SEO Classification > 8702 Construction Design
Keywords ResPubID17244, biaxial bending, composite columns, ductility, local buckling, nonlinear analysis, performance-based analysis
Citations in Scopus 40 - View on Scopus
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