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Finite Element Investigation on the Behaviour of Open-Web Steel Beams Subjected to Fire

Credit to Download: 1 | Page Numbers 11 | Abstract Views: 164
Year: 2016
COI code: ISSS07_024
Paper Language: English

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Authors Finite Element Investigation on the Behaviour of Open-Web Steel Beams Subjected to Fire

Abdelhak KADA - Laboratory of Structures, Geotechnics & Risks, University Hassiba-Benbouali of Chlef, Faculty of Civil Engineering & Architecture, Route de Sendjas, Chlef 02000, Algeria
Belkacem LAMRI - Laboratory of Structures, Geotechnics & Risks, University Hassiba-Benbouali of Chlef, Faculty of Civil Engineering & Architecture, Route de Sendjas, Chlef 02000, Algeria,
Abdelhamid BOUCHAIR - Université Clermont Auvergne, Institut Pascal, BP 10448, 63000 Clermont Ferrand, France
M.R MESQUITA Luis - ISISE, Polytechnic Institute of Bragança, Campus Sta Apolónia

Abstract:

This paper presents a numerical investigation on the behaviour of open-web steel beams under high temperatures due to fire using finite elements simulations. The study includes parent beams without openings as well as castellated and cellular beams taking into account uniform and transient temperature rise, material and geometric non-linear behaviour. The input fire is based on the standard temperature-time curve ISO834. The thermal and mechanical analyses are performed using the temperature dependent material properties given by Eurocode3 part1-2 recommendations. The FE models are used to estimate the temperature at which the failure occurs under a fixed uniformly distributed mechanical load. The most commonly used types of web opening shapes are considered (hexagonal and circular) for simply supported beams. The study shows that the numbers of web-openings and cells as well as their shapes are of high importance for the behaviour of castellated steel beams under fire conditions. Results are related to temperature profiles in steel beam cross-sections, variation of displacements with respect to temperature change and critical temperatures

Keywords:

Open web beam, cellular beam, castellated beam, finite element, ISO834 fire, critical temperature

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COI code: ISSS07_024

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KADA, Abdelhak; Belkacem LAMRI; Abdelhamid BOUCHAIR & M.R MESQUITA Luis, 2016, Finite Element Investigation on the Behaviour of Open-Web Steel Beams Subjected to Fire, 2nd International Conference &7th National Conference of Steel Structure, تهران ,  انجمن سازه هاي فولادي ايران, https://www.civilica.com/Paper-ISSS07-ISSS07_024.htmlInside the text, wherever referred to or an achievement of this article is mentioned, after mentioning the article, inside the parental, the following specifications are written.
First Time: (KADA, Abdelhak; Belkacem LAMRI; Abdelhamid BOUCHAIR & M.R MESQUITA Luis, 2016)
Second and more: (KADA; LAMRI; BOUCHAIR & MESQUITA Luis, 2016)
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