/npsi/ctrl?lang=en http://nparc.cisti-icist.nrc-cnrc.gc.ca/npsi/ctrl?lang=fr Access and use of this website and the material on it are subject to the Terms and Conditions set forth at http://nparc.cisti-icist.nrc-cnrc.gc.ca/npsi/jsp/nparc_cp.jsp?lang=en NRC Publications Archive Archives des publications du CNRCThis publication could be one of several versions: author's original, accepted manuscript or the publisher's version. / La version de cette publication peut être l'une des suivantes : la version prépublication de l'auteur, la version acceptée du manuscrit ou la version de l'éditeur. For the publisher's version, please access the DOI link below./ Pour consulter la version de l'éditeur, utilisez le lien DOI ci-dessous.http://dx.doi.org/10.1139/cjce-24-3-339Canadian Journal of Civil Engineering, 24, 3, pp. 339-349, 1997-06-01 Evaluation of fire resistance of rectangular steel columns filled with fibre-reinforced concrete Kodur, V. K. R.; Lie, T. T.Evaluation of fire resistance of rectangular steel columns filled with fibre-reinforced concrete V.K.R. Kodur and T.T. Lie Abstract: Experimental and theoretical studies that have been carried out to predict the fire resistance of rectangular hollow steel columns filled with fibre-reinforced concrete are presented in this paper. A numerical model to calculate the temperatures, deformations, and the fire resistance of loaded, rectangular, hollow steel columns filled with steel-fibre-reinforced concrete is described. Predictions from the numerical model are compared with experimental data. The results indicate that the model is capable of predicting the fire resistance of square hollow steel columns filled with fibre-reinforced concrete with an accuracy that is adequate for practical purposes. The model can be used to evaluate the fire resistance of rectangular steel columns filled with steel-fibre-reinforced concrete for any value of the significant parameters, such as load, column section dimensions, column length, concrete strength, and aggregate type in concrete, without the necessity of testing.Key words: fire resistance, numerical model, calculation, square steel columns, hollow structural section, concrete-filled columns, fibre-reinforced concrete.Résumé : Cet article présente des études théoriques et expérimentales effectuées afin de prédire la résistance au feu de colonnes rectangulaires creuses en acier remplies de béton armé de fibres. Un modèle numérique calculant les températures, les déformations et la résistance au feu de colonnes creuses en acier remplies de béton armé de fibres et soumises à un chargement, est décrit. Les prédictions du modèle numérique sont comparées aux données expérimentales. Les résultats indiquent que le modèle est capable de prédire la résistance au feu des colonnes carrées creuses en acier remplies avec du béton armé de fibres avec une précision convenable à des fins pratiques. Le modèle peut évaluer la résistance au feu de colonnes rectangulaires en acier remplies de béton armé de fibres utilisant n'importe quelle valeur po...
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