/npsi/ctrl?action=rtdoc&an=20378640&lang=en http://nparc.cisti-icist.nrc-cnrc.gc.ca/npsi/ctrl?action=rtdoc&an=20378640&lang=fr READ THESE TERMS AND CONDITIONS CAREFULLY BEFORE USING THIS WEBSITE.http://nparc.cisti-icist.nrc-cnrc.gc.ca/npsi/jsp/nparc_cp.jsp?lang=en Vous avez des questions? Nous pouvons vous aider. Pour communiquer directement avec un auteur, consultez la première page de la revue dans laquelle son article a été publié afin de trouver ses coordonnées. Si vous n'arrivez pas à les repérer, communiquez avec nous à PublicationsArchive-ArchivesPublications@nrc-cnrc.gc.ca. Questions? Contact the NRC Publications Archive team atPublicationsArchive-ArchivesPublications@nrc-cnrc.gc.ca. If you wish to email the authors directly, please see the first page of the publication for their contact information. 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/10.1002/fam.810070205 Fire and Materials, 7, 2, pp. 49-61, 1983 Ref SerNational Research Conseil national TH. INTRODUCTION knowledge or to offer unique concepts. Models that are not referred to have been regarded as variants. It has been traditional to divide the course of a Efforts have been made to develop a classification compartment fire into pre-flashover and post-flashover scheme that covers the most important traits of all periods. It is claimed that knowledge of the course of fourteen models. fire during the pre-flashover period is important for saving lives; and knowledge of its characteristics durDeterministic versus probabilistic ing the post-flashover period provides a basis for designing measures to save property. Although this way of looking at compartment fires is oversimplified, it is indcc~l true that major property losses are unlikely until after the fire has reached its post-flashover stage. I $ Council Canada de recherches CanadaResearch into the pre-flashover period of fires started with experimental studies of fire scenarios. The theoretical work that followed has already resulted in a fair understanding of the mechanism of fire growth. Among the dozens of publications that have appeared on this subject, those by Quintiere,' Pape and Waterman2 and Emmons3 present comprehensive reviews.Although some of the mathematical models of preflashover fires may also cover the post-flashover pcriotl, thosc w11o are conccrnccl with thc structuriil safety ol' 1111ildi1)gs prefer lo use models developed explicitly for post-flashover fires. They yield information in forms more directly applicable to problems of structural safety. This paper will deal only with the latter models.The models proposed during the past...

/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. Fire and Materials, 3, 2, pp. 74-79, 1979-06 Factors affecting temperature of fire-exposed concrete slabs Lie, T. T.; Williams-Leir, G. OTTAWA LvI.ZC 18000Les auteurs examinent l'influence des divers facteurs qui determinent la temp6rature des dalles de b6ton expos6es au feu. Les auteurs ont effectu6 des 6tudes th6oriques et exp&rimentales, 2 partir descquelles ils obtiennent des tableaux de propri6tGs thermiques qui representent bien les propri6t6s des be'tons siliceux et qui se ~retellt aux cafcds de rgsistance au feu. The influence of the various factors that determine temperatures in fire-exposed concrete slabs is examined, in particular that of material properties. Both experimental and theoretical studies have been carried out. From these a set of thermal properties has been derived that is representative of the properties of siliceous concrete and suitable for use in fire resistance calculations.

No abstract

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Normalized heart load, obtained by dividing heat absorption by thermal inertia, is a quantity useful in building design for relating fire severity in fully developed compartment fires to fire severity in standard fire resistance tests. Harmathy has shown how normalized heat load may be used for determining required fire resistance in projected buildings. The present work describes how effective values of thermal inertia can be calculated for such important materials as brick and concrete, both normal and lightweight, for which thermal properties depend strongly upon temperature.