Experimental study of slender concrete-filled elliptical hollow section beam-columns

Journal article


McCann, F, Gardner, L and Qiu, W (2015). Experimental study of slender concrete-filled elliptical hollow section beam-columns. Journal of Constructional Steel Research. 113, pp. 185-194.
AuthorsMcCann, F, Gardner, L and Qiu, W
Abstract

Experiments on concrete-filled elliptical hollow section beam-columns have been conducted to examine their fundamental structural behaviour. A total of 27 specimens were tested — 3 stub columns and 24 longer members of varying slenderness. Seven of the tested specimens also contained steel reinforcement. The specimens were loaded in compression, either concentrically or with different major or minor axis eccentricities. Measurements of the applied load, the strains at mid-height, the axial displacement and the lateral deflection at mid-height were recorded. Plots of load against the lateral deflection at mid-height and load against axial displacement are presented for the specimens, along with values of strength index and ductility index. Comparisons have been made between the test results and the provisions of the European Standard EN 1994-1-1:2004 for determining the ultimate load of concrete-filled circular and rectangular hollow section columns. It was found that the predicted resistances are safe for use in the design of concrete-filled elliptical hollow section columns either with or without reinforcement, and loaded either concentrically or eccentrically.

Keywords0905 Civil Engineering; Civil Engineering
Year2015
JournalJournal of Constructional Steel Research
Journal citation113, pp. 185-194
PublisherLondon South Bank University
ISSN1873-5983
Digital Object Identifier (DOI)doi:10.1016/j.jcsr.2015.06.013
Publication dates
Print23 Jun 2015
Publication process dates
Deposited05 Jul 2017
Accepted16 Jun 2015
Accepted author manuscript
License
CC BY-NC-ND 4.0
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https://openresearch.lsbu.ac.uk/item/87689

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