Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/43737
Title: Experimental investigation on lightweight concrete-filled cold-formed elliptical hollow section stub columns
Authors: Chan, TM 
Huai, YM
Wang, W
Keywords: Cold-formed
Concrete-filled
Elliptical hollow section
Lightweight concrete
Stub column
Issue Date: 2015
Publisher: Elsevier
Source: Journal of constructional steel research, 2015, v. 115, p. 434-444 How to cite?
Journal: Journal of constructional steel research 
Abstract: This paper presents an experimental investigation on lightweight concrete-filled circular and elliptical hollow sections under axial compression at cross-section level. The elliptical hollow section (EHS) was cold-formed from the hot-rolled circular hollow section (CHS). Experimental findings, including failure mode, load-deformation history and load carrying capacity, from the 24 stub column tests were compared and reported. Comparisons in particular between the parent hot-rolled CHS and cold-formed EHS were made and stub column results have indicated the cold-forming process decreases both the load carrying capacity and the ductility. Design rules based on European standards were also assessed and assessments have shown that the existing rules can be adopted for the design of lightweight concrete-filled hot-rolled CHS while a simple superposition model can be used for the design of lightweight concrete-filled cold-formed EHS.
URI: http://hdl.handle.net/10397/43737
ISSN: 0143-974X
EISSN: 1873-5983
DOI: 10.1016/j.jcsr.2015.08.029
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