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Inelastic bending capacity of LiteSteel Beams

Anapayan, Tharmarajah & Mahendran, Mahen (2011) Inelastic bending capacity of LiteSteel Beams. In 7th International Conference on Steel and Aluminium Structures (ICSAS11), 13-15 July 2011, Kuching, Malaysia.

Abstract

Australian manufacturers recently developed a new mono-symmetric cold-formed steel hollow flange channel section known as LiteSteel Beam. The innovative LSB sections with rectangular flanges are currently being used as floor joists and bearers in buildings. In order to assess their behaviour and section moment capacity including the presence of any inelastic reserve bending capacity, 20 section moment capacity tests were conducted in this study. Test results were compared with the section moment capacities predicted by the steel design codes. Although the current cold-formed steel design rules generally limit the section moment capacities to their first yield moments, test results showed that inelastic reserve bending capacity was present in the compact and non-compact LSB sections. The results have shown that suitable modifications to the current design rules are needed to allow the inclusion of available inelastic bending capacities of LSBs in design.

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135 since deposited on 28 Mar 2012
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ID Code: 49382
Item Type: Conference Paper
Keywords: inelastic, bending capacity, LiteSteel Beams
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 Please consult the authors.
Deposited On: 28 Mar 2012 11:25
Last Modified: 28 Mar 2012 11:28

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