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A Model for predicting heat transfer through insulated steel-stud wall assemblies exposed to fire

Par Conseil national de recherches du Canada

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AuteurRechercher : 1; Rechercher : 1; Rechercher : 1
Affiliation
  1. Conseil national de recherches du Canada. Institut de recherche en construction du CNRC
FormatTexte, Article
ConférenceFire and Materials '2001 International Conference: 22 January 2001, San Francisco, CA., U.S.A.
SujetPerformance hygrométrique; Incendie
Résumé
With the advent of performance-based codes and fire safety design options, the need for validated fire resistance models becomes essential. In this paper, a one-dimensional heat transfer model is presented. The model predicts the temperature distribution across steel stud wall assemblies with either glass or rock fibre insulation in the wall cavity. A number of assumptions were made to reduce the complexity of the model. A comparison between temperature predictions and measured temperatures at different surfaces across loaded and unloaded assemblies is presented. Comparison between the predicted and measured fire resistance for non-loadbearing assemblies is also presented. The model predicts the temperature for the stud flanges on the exposed and unexposed sides that are necessary for predicting the fire resistance of loadbearing wall assemblies. Limitations of the model and future improvements are identified.
Date de publication
Langueanglais
Publications évaluées par des pairsOui
Numéro du CNRCNRCC 44227
NRC-IRC-10039
Numéro NPARC20386338
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Identificateur de l’enregistrement22ea2878-f144-4565-b6e6-bf37df6593ec
Enregistrement créé2012-07-25
Enregistrement modifié2020-03-27
Date de modification :