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An experimental study on elliptical concrete filled columns under axial compression

Jamaluddin, Norwati and Lam, D. and Dai, X. H. and Ye, J. (2013) An experimental study on elliptical concrete filled columns under axial compression. Journal of Constructional Steel Research, 87. pp. 6-16. ISSN 0143-974X

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Abstract

This paper presents the experimental results and observation of elliptical concrete filled tube (CFT) columns subjected to axial compressive load. A total of twenty-six elliptical CFT specimens including both stub and slender composite columns are tested to failure to investigate the axial compressive behaviour. Various column lengths, sectional sizes and infill concrete strength are used to quantity the influence of member geometry and constituent material properties on the structural behaviour of elliptical CFT columns. As there is no design guidance currently available in any Code of Practice, this study provides a review of the current design rules for concrete filled circular hollow sections in Eurocode 4 (EC4). New equations based on the Eurocode 4 provisions for concrete filled circular hollow sections were proposed and used to predict the capacities of elliptical CFT columns.

Item Type: Article
Uncontrolled Keywords: concrete filled tube column; elliptical section; slenderness ratio; stiffness; strength; self-compacting concrete
Subjects: T Technology > TA Engineering (General). Civil engineering (General) > TA630-695 Structural engineering (General)
Divisions: Faculty of Civil and Environmental Engineering > Department of Structural and Material Engineering
Depositing User: Normajihan Abd. Rahman
Date Deposited: 02 Jul 2013 07:46
Last Modified: 02 Jul 2013 07:46
URI: http://eprints.uthm.edu.my/id/eprint/3973
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