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Plastic bending behaviour and section moment capacities of mono-symmetric LiteSteel Beams with web openings

Seo, Jung Kwan & Mahendran, Mahen (2011) Plastic bending behaviour and section moment capacities of mono-symmetric LiteSteel Beams with web openings. Thin-Walled Structures, 49(4), pp. 513-522.

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Abstract

Recently developed cold-formed LiteSteel beam (LSB) sections have found increasing popularity in residential, industrial and commercial buildings due to their light weight and cost-effectiveness. Currently, there is significant interest in the use of LSB sections as flexural members in floor joist systems, although they can be used as flexural and compression members in a range of building systems. The plastic bending behaviour and section moment capacity of LSB sections with web holes can be assumed to differ from those without, but have yet to be investigated. Hence, no appropriate design rules for determining the section moment capacity of LSB sections with web holes are yet available. This paper presents the results of an investigation of the plastic bending behaviour and section moment capacity of LSB sections with circular web holes. LSB sections with varying circular hole diameters and degrees of spacing were considered. The paper also describes the simplified finite element (FE) modelling technique employed in this study, which incorporates all of the significant behavioural effects that influence the plastic bending behaviour and section moment capacity of these sections. The numerical and experimental test results and associated findings are also presented.

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2 citations in Scopus
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ID Code: 49372
Item Type: Journal Article
Keywords: LiteSteel Beam (LSB), Web opening, Nonlinear finite element analysis (FEA), Section Moment Capacity, Design Rule, Plastic Bending
DOI: 10.1016/j.tws.2010.12.003
ISSN: 0263-8231
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > CIVIL ENGINEERING (090500) > Structural Engineering (090506)
Divisions: Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Copyright 2011 Elsevier
Copyright Statement: This is the author’s version of a work that was accepted for publication in Thin-Walled Structures. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Thin-Walled Structures, [VOL 49, ISSUE 4, (2011)] DOI: 10.1016/j.tws.2010.12.003
Deposited On: 28 Mar 2012 08:24
Last Modified: 28 Mar 2012 09:27

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