Simplified numerical models of LiteSteel Beam floor joists with Web openings for the prediction of section moment capacities
Seo , Jung Kwan & Mahendran, Mahen (2009) Simplified numerical models of LiteSteel Beam floor joists with Web openings for the prediction of section moment capacities. In Proceedings of the 5th International Symposium on Steel Structures, Korean Society of Steel Construction, Seoul, pp. 908-915.
This paper is aimed at investigating the effect of web openings on the plastic bending behaviour and section moment capacity of a new cold-formed steel beam known as LiteSteel beam (LSB) using numerical modelling. Different LSB sections with varying circular hole diameter and spacing were considered. A simplified but appropriate numerical modelling technique was developed for the modelling of monosymmetric sections such as LSBs subject to bending, and was used to simulate a series of section moment capacity tests of LSB flexural members with web openings. The buckling and ultimate strength behaviour was investigated in detail and the modeling technique was further improved through a comparison of numerical and experimental results. This paper describes the simplified finite element modeling technique used in this study that includes all the significant behavioural effects affecting the plastic bending behaviour and section moment capacity of LSB sections with web holes. Numerical and test results and associated findings are also presented.
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|Item Type:||Conference Paper|
|Keywords:||Cold-formed steel structures, LiteSteel beams, Web opening, Nonlinear analysis|
|Divisions:||Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Past > Schools > School of Urban Development
|Copyright Owner:||Copyright 2009 [please consult the authors]|
|Deposited On:||07 Feb 2010 22:57|
|Last Modified:||29 Feb 2012 14:06|
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