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EN 13381-3:2015

Test methods for determining the contribution to the fire resistance of structural members - Part 3: Applied protection to concrete members

Edition date: 2023-03-05
In Force
Summary: This European Standard specifies a test method for determining the contribution of fire protection systems to the fire resistance of structural concrete members, for instance slabs, floors, roofs and walls and which can include integral beams and columns. The concrete can be lightweight, normal weight or heavyweight concrete and of all strength classes (e.g. 20/25 to 50/60 for normal strength concrete and for high strength concrete 55/67 to 90/105). The member is to contain steel reinforcing bars. The test method is applicable to all fire protection materials used for the protection of concrete members and includes sprayed materials, reactive coatings, cladding protection systems and multi-layer or composite fire protection materials, with or without a gap between the fire protection material and the concrete member This European Standard specifies the tests which are to be carried out to determine the ability of the fire protection material to remain coherent and fixed to the concrete and to provide data on the temperature distribution throughout the protected concrete member, when exposed to the standard temperature time curve. In special circumstances, where specified in national building regulations, there can be a need to subject the protection material to a smouldering curve. The test for this and the special circumstances for its use are detailed in Annex A. The fire test methodology makes provision for the collection and presentation of data which can be used as direct input to the calculation of fire resistance of concrete members in accordance with the procedures given in EN 1992-1-2. This European Standard also contains the assessment which prescribes how the analysis of the test data is to be made and gives guidance to the procedures by which interpolation is to be undertaken. The limits of applicability of the results of the assessment arising from the fire test are defined together with permitted direct application of the results to different concrete structures, densities, strengths, thicknesses and production techniques over the range of thicknesses of the applied fire protection system tested. The test method, the test results and the assessment method are not applicable to structural hollow concrete members.

Dieser Teil dieser Europäischen Norm legt ein Prüfverfahren zur Bestimmung des Beitrages von Brandschutzsystemen zur Feuerwiderstandsfähigkeit tragender Betonbauteile fest, z. B. Platten, Decken, Dächer und Wände, die integrierte Balken und Stützen enthalten können. Der Beton kann Leichtbeton, Normalbeton oder Schwerbeton aller Festigkeitsklassen (z. B. 20/25 bis 50/60 für Beton normaler Festigkeit und 55/67 bis 90/105 für Beton hoher Festigkeit) sein. Das Bauteil muss Bewehrungsstähle enthalten. Das Prüfverfahren gilt für alle Brandschutzmaterialien, die für den Schutz der Betonbauteile verwendet werden, und umfasst aufgesprühte Materialien, Beschichtungen, Bekleidungsschutzsysteme und Mehr-schicht oder Verbundsysteme mit oder ohne Spalt zwischen dem Brandschutzmaterial und dem Betonbauteil. Diese Europäische Norm legt die Prüfverfahren fest, die durchgeführt werden müssen, um die Fähigkeit des Brandschutzmaterials zu bestimmen, mit dem Beton fest verbunden zu bleiben, und um Daten über die Temperaturverteilung im geschützten Betonbauteil zu liefern, wenn dieses der Einheits Temperaturzeitkurve ausgesetzt wird. Unter besonderen Umständen, die in nationalen Bauvorschriften festgelegt sind, kann es erforderlich sein, das Brandschutzmaterial einer Schwelbrandkurve zu unterziehen. Die diesbezügliche Prüfung und die besonderen Umstände für deren Anwendung sind in Anhang A angegeben. Die Methodologie der Brandprüfung bietet die Möglichkeit, Messwerte zu erfassen und darzustellen, die direkt als Eingangswerte zur Berechnung des Feuerwiderstandes von Betonbauteilen entsprechend den Verfahren nach EN 1992 1 2 verwendet werden können. Diese Europäische Norm behandelt außerdem das Verfahren zur Beurteilung der Interpretation der Ergebnisse aus den Brandprüfungen und Leitlinien zu den Verfahren der Interpolation. Der zulässige Bereich der Anwendbarkeit der Ergebnisse aus der Beurteilung der Brandprüfung ist zusammen mit dem zulässigen direkten Anwendungsbereich der Ergebnisse auf unterschiedliche Beton¬konstruktionen, Dichten, Festigkeiten, Dicken und Herstellungsverfahren über den Dickenbereich des geprüften Brandschutzsystems festgelegt. Das Prüfverfahren, die Prüfergebnisse und das Beurteilungsverfahren gelten nicht für hohle tragende Betonbauteile.

La présente Norme européenne spécifie une méthode d’essai permettant de déterminer la contribution apportée par les systèmes de protection contre le feu à la résistance au feu des éléments de construction en béton, tels que des dalles, planchers, toits et murs, et qui peuvent inclure des poutres ou des poteaux intégrés. Le béton peut être de type léger, normal ou lourd et appartenir à toutes les classes de résistance (par exemple 20/25 à 50/60 pour le béton ordinaire et 55/67 à 90/105 pour le béton à haute résistance). L’élément de construction doit contenir des barres d’armature en acier. La méthode d’essai est applicable à tous les matériaux de protection contre le feu utilisés pour protéger les éléments de construction en béton et englobe les matériaux appliqués par projection, les revêtementsréactifs, les systèmes de protection plaqués et les matériaux de protection contre le feu multi-couches ou composites, avec ou sans espace de séparation entre le matériau de protection contre le feu et l’élément en béton. La présente Norme européenne spécifie les essais qui doivent être effectués pour déterminer l’aptitude du matériau de protection contre le feu à rester cohérent et fixé sur le béton, et pour fournirdes données concernant la répartition de la température sur l’ensemble de l’élément en béton protégé, lorsque ce dernierest exposé au feu suivant la courbe normalisée température/temps. Dans certaines circonstances, lorsque cela est spécifié dans la réglementation nationale en matière de construction, il peut être nécessaire de soumettre le matériau de protection à une courbe de feu couvant. L’essai correspondant et les circonstances particulières dans lesquelles l'utiliser sont décrits à l’Annexe A. La méthodologie des essais au feu comporte des dispositions concernant le recueil et la présentation de donnéessusceptibles de servir d’entrées directes pour le calcul de la résistance au feu d'éléments en béton conformément aux modes opératoires définis dans l’EN 1992-1-2. La présente Norme européenne comprendégalement l’évaluation qui prescrit la façon d’effectuer l’analyse des données d’essai et les lignes directives des modes opératoires selon lesquels il convient d’entreprendre une interpolation. Les limites d’applicationdes résultats de l’évaluation obtenus lorsde l’essai au feu sont définies, ainsi que l’application directe autorisée des résultats aux différentes structures en béton, masses volumiques, classes de résistance, épaisseurs et techniques de fabrication du béton, dans la plage d’épaisseurs du système de protection contre le feu soumis à l’essai. La méthode d'essai, les résultats d'essai et la méthode d'évaluation ne sont pas applicables aux éléments de construction en béton comportant des vides.

ICS: 91.080.40-Concrete structures, 13.220.50-Fire-resistance of building materials and elements
CTN: CEN/TC 127 - 6109

Reemplazo Normas

Reemplaza a ENV 13381-3:2002

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