Journal
THIN-WALLED STRUCTURES
Volume 47, Issue 11, Pages 1418-1428Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.tws.2008.06.003
Keywords
Aluminium; Creep model; Elevated temperature; Finite element method; Fire; Local buckling
Categories
Funding
- Strategic Research programme of the Materials Innovation Institute in the Netherlands [MC1.02147]
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A test series was carried out and reported in a corresponding paper on slender aluminium alloy sections, loaded in compression at elevated temperature. This paper gives the results of simulations of these tests with a finite element model. For this purpose, a novel constitutive model for fire exposed aluminium alloys is used. The critical temperatures obtained with the finite element models agree well with those of the tests (average difference 1 degrees C, standard deviation of 7 degrees C). The developed finite element models are used for determining the maximum plate width over thickness ratio at which the full plastic capacity is obtained before the plate buckles. (C) 2008 Elsevier Ltd. All rights reserved.
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