Classification of aluminium beams in fire, analytical and numerical results

O.R. Meulen, van der, J. Maljaars, F. Soetens

Onderzoeksoutput: Hoofdstuk in Boek/Rapport/CongresprocedureConferentiebijdrageAcademicpeer review

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Samenvatting

The use of aluminium as a construction material has been increasing since its first invention. At present, limited knowledge of the behaviour of aluminium beams in fire gives rise to excessively high insulation demands, decreasing its competitiveness. A study is presented here that aims to assess the potential for improvement of the existing design standards for aluminium in fire conditions. At present, fire design for aluminium alloy beams is performed using the same system of cross-sectional slenderness classes as is employed at ambient temperature. Identical width-over-thickness ratio limits are used to define the boundaries between the classes. These limits are known (and demonstrated) to be conservative, but may in fact be over-conservative. Especially for tempered alloys, the geometric limits may be relaxed considerably, allowing cross-sections to be upgraded in class for fire design calculations.
Originele taal-2Engels
TitelProceedings of: Structural engineering world conges 2011 (SEWC2011), April 4-6, Como Italy
Pagina's8-
StatusGepubliceerd - 2011
Evenementconference; Structural engineering world conges (SEWC2011); 2011-04-04; 2011-04-06 -
Duur: 4 apr. 20116 apr. 2011

Congres

Congresconference; Structural engineering world conges (SEWC2011); 2011-04-04; 2011-04-06
Periode4/04/116/04/11
AnderStructural engineering world conges (SEWC2011)

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