Performance and calculations of concrete filled steel tubes (CFST) under axial tension

descriptionPublicationkeyboard_double_arrow_right Article 01 Nov 2011 English Publisher:Elsevier BVJournal:Journal of Constructional Steel Research, volume 67, pages 1,699-1,709 (issn: 0143-974X,

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Authors: Lin-Hai Han; Shan-Hu He; Fei-Yu Liao;

doi: 10.1016/j.jcsr.2011.04.005

Performance and calculations of concrete filled steel tubes (CFST) under axial tension

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Abstract

Abstract This paper reports the behavior of concrete filled steel tubes (CFST) under axial tension. A total of 18 specimens were tested. The main parameters were steel ratio, concrete type and bond or unbonded between the steel tube and its core concrete. A finite element model (FEM) was developed to perform mechanism analysis and parametric studies for CFST under axial tension. It was found that the tensile strength of steel tube can be increased due to the existence of the core concrete in CFST. Finally, a simplified formula that can predict the tensile strength was proposed.

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Tsinghua University
China (People's Republic of)

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