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Strength of plates subjected to localised heat loads

✍ Scribed by C. Guedes Soares; A.P. Teixeira

Publisher
Elsevier Science
Year
2000
Tongue
English
Weight
748 KB
Volume
53
Category
Article
ISSN
0143-974X

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✦ Synopsis

This paper presents results from a parametric study to quantify the effect of localised heat loads on the collapse of steel plates. This study was carried out using a general-purpose nonlinear finite element code, which takes the thermal loads into account. The load-shortening behaviour of square plates under the combined effects of localised thermal loads and biaxial in-plane compression was obtained for different breadth to thickness ratios. In particular, the effects of the size of the heated area and its temperature differential are quantified. It was observed that the plate strength decreases rapidly when the heated area increases beyond 50% of the total area of the plate. Finally, design curves are proposed to predict the collapse strength of the plates subjected to localised heat loads.

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