{"id":29633,"date":"2019-11-04T08:30:15","date_gmt":"2019-11-04T06:30:15","guid":{"rendered":"https:\/\/mcrtecresa.com\/?p=29633"},"modified":"2025-10-22T12:50:31","modified_gmt":"2025-10-22T10:50:31","slug":"sectorisation-approprie-aux-passages-des-installations-ventilation-fire-resistant-ducts","status":"publish","type":"post","link":"https:\/\/mcrtecresa.com\/fr\/blog\/sectorisation-approprie-aux-passages-des-installations-ventilation-fire-resistant-ducts","title":{"rendered":"Sectorisation Appropri\u00e9 aux passages des installations &#8211; Ventilation, gaines r\u00e9sistantes au feu"},"content":{"rendered":"<p style=\"text-align: justify;\">Pour conclure avec ces Post concernant la sectorisation, nous vous parlerons des <strong>gaines r\u00e9sistantes au feu<\/strong>. Comme mentionn\u00e9 dans la section DB-SI de la CTE sur la propagation \u00e0 l&rsquo;int\u00e9rieur, dans le cas des conduits de ventilation, la sectorisation peut \u00eatre ex\u00e9cut\u00e9e de deux fa\u00e7ons:<\/p>\n<ul style=\"text-align: justify;\">\n<li>\n<p style=\"text-align: justify;\"><em>Pr\u00e9voir un \u00e9l\u00e9ment qui, dans le cas d&rsquo;un incendie, bloque automatiquement la section de passage et y garantit une r\u00e9sistance au feu au moins \u00e9gale \u00e0 celle de l&rsquo;\u00e9l\u00e9ment travers\u00e9. Par exemple, un clapet coupe-feu automatique EI t (i &lt;-&gt; o) o\u00f9 t est le temps de r\u00e9sistance au feu requis pour l&rsquo;\u00e9l\u00e9ment de cloisonnement traversant, ou un dispositif de fermeture intumescent.<\/em><\/p>\n<\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><em>\u00a0<\/em><\/p>\n<ul style=\"text-align: justify;\">\n<li><em>El\u00e9ments de passage dont la r\u00e9sistance au feu est au moins \u00e9gale \u00e0 celle de l&rsquo;\u00e9l\u00e9ment travers\u00e9 ; par exemple, des <strong>gaines de ventilation EI<\/strong> t (i &lt;-&gt; o) o\u00f9 t est le temps n\u00e9cessaire de <strong>r\u00e9sistance au feu<\/strong> de l&rsquo;\u00e9l\u00e9ment de compartimentation travers\u00e9.<\/em><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><em>\u00a0<\/em><\/p>\n<p style=\"text-align: justify;\">Une gaine de ventilation est typiquement sectoris\u00e9e au moyen d&rsquo;un clapet coupe-feu, mais il y a certaines situations o\u00f9 la gaine ne peut pas \u00eatre install\u00e9e ; par exemple, une gaine de d\u00e9senfumage en cas d&rsquo;incendie, les plus fr\u00e9quentes sont dans les cuisines industrielles et les garages. Il est aussi possible que la gaine, m\u00eame si elle n&rsquo;est pas une gaine d&rsquo;extraction, traverse des plusieurs petits secteurs et qu&rsquo;il soit plus pratique et plus \u00e9conomique d&rsquo;installer une gaine coupe-feu plut\u00f4t que des clapets coupe-feu.<\/p>\n<p style=\"text-align: justify;\">Dans ce post, nous discuterons de ce type de gaines, mais nous exclurons la question des gaines d&rsquo;extraction dans les cuisines industrielles, car la norme prescrit des gaines sp\u00e9ciales en raison de leur nature tr\u00e8s particuli\u00e8re.<\/p>\n<p style=\"text-align: justify;\">La r\u00e9glementation \u00e9tablit que la gaine doit avoir la m\u00eame r\u00e9sistance au feu que l&rsquo;\u00e9l\u00e9ment travers\u00e9, mais elle \u00e9tablit \u00e9galement des exceptions, comme c&rsquo;est le cas des <strong>Gaines pour l&rsquo;\u00e9vacuation des fum\u00e9es<\/strong> qui ne circulent que dans un secteur incendie. La section 8.2-c du DB-SI stipule ce qui suit : <em>\u00ab\u00a0c) Les gaines qui traversent un seul secteur d&rsquo;incendie doivent avoir la classification E<sub>300<\/sub> 60. Ceux qui traversent des \u00e9l\u00e9ments de s\u00e9paration des secteurs d&rsquo;incendie doivent avoir une <strong>classification EI 60<\/strong>. \u00a0\u00bb <\/em>E<sub>300<\/sub> 60 veut dire que la gaine doit avoir une int\u00e9grit\u00e9 \u00e0 300 <sup>o<\/sup>C pendant 60 minutes. EI 60 veut dire que la gaine doit maintenir l&rsquo;int\u00e9grit\u00e9 et l&rsquo;isolation thermique pendant cette p\u00e9riode, soit pendant 60 minutes. Pour toute autre situation, la gaine doit avoir la m\u00eame r\u00e9sistance au feu que l&rsquo;\u00e9l\u00e9ment travers\u00e9.<\/p>\n<p style=\"text-align: justify;\">Une autre question importante pour ce type de gaines r\u00e9sistantes au feu est la classification (i &lt;-&gt; o). Cette nomenclature provient des termes anglais INSIDE \/ OUTSIDE et la double fl\u00e8che indique qu&rsquo;il doit \u00eatre r\u00e9sistant au feu m\u00eame si le feu se propage dans la gaine (de l&rsquo;int\u00e9rieur vers l&rsquo;ext\u00e9rieur), ou si le feu se propage \u00e0 l&rsquo;ext\u00e9rieur (de l&rsquo;ext\u00e9rieur vers l&rsquo;int\u00e9rieur) donc il ne convient pas d&rsquo;utiliser Faux plafonds ni contre cloison r\u00e9sistant au feu pour la sectorisation de ces canalisations car ils ne sont r\u00e9sistants que sur les panneaux, non le profil suspendu du syst\u00e8me. De plus, il en existe une norme d&rsquo;essai sp\u00e9cifique pour ces conduits qui est la norme UNE 1366\u00a0: Essais de r\u00e9sistance au feu des installations techniques &#8211; Partie 1: Conduits de ventilation et Partie 8: Conduits d&rsquo;extraction de fum\u00e9es. Cette norme \u00e9tablit les m\u00e9thodes d&rsquo;essai et les plages de pression auxquelles les essais doivent \u00eatre soumis, car lorsqu&rsquo;un incendie se d\u00e9clare, ce type de gaines doit r\u00e9sister \u00e0 des d\u00e9pressions beaucoup plus importantes que les autres syst\u00e8mes r\u00e9sistant au feu, comme les cloisons ou les plafonds.<\/p>\n<p>Il est aussi indispensable d&rsquo;effectuer un test des gaines horizontale et verticale s\u00e9par\u00e9ment, ce qui implique qu&rsquo;afin d&rsquo;avoir une gaine r\u00e9sistant au feu correctement soumis \u00e0 un test, nous devrons effectuer <strong>quatre tests<\/strong> :<\/p>\n<p style=\"text-align: justify;\"><strong>1.- Feu ext\u00e9rieur horizontal.<\/strong><\/p>\n<p style=\"text-align: justify;\"><strong>2.- Feu ext\u00e9rieur vertical.<\/strong><\/p>\n<p style=\"text-align: justify;\"><strong>3.- Feu int\u00e9rieur horizontal.<\/strong><\/p>\n<p style=\"text-align: justify;\"><strong>4.- Feu int\u00e9rieur vertical.<\/strong><\/p>\n<p style=\"text-align: justify;\"><strong>\u00a0<\/strong><\/p>\n<p style=\"text-align: justify;\">S&rsquo;il est n\u00e9cessaire d&rsquo;utiliser le conduit pour l&rsquo;extraction de fum\u00e9e en cas d&rsquo;incendie, nous aurons besoin d&rsquo;un test suppl\u00e9mentaire puisque la pression dans la gaine peut monter \u00e0 1500 Pascal.<\/p>\n<p style=\"text-align: justify;\">Malgr\u00e9 toutes les sp\u00e9cifications \u00e9tablies par les normes sur les gaines r\u00e9sistantes au feu, les constructeurs et les responsables de la gesti\u00f3n de la construction continuent encore \u00e0 faire une sectorisation inappropri\u00e9e des conduits avec cloisonnement r\u00e9sistant au feu ou faux-plafond. Il s&rsquo;agit d&rsquo;un \u00e9l\u00e9ment d&rsquo;une importance vitale pour emp\u00eacher la propagation du feu entre les diff\u00e9rents Secteurs Incendie et il faut donc \u00eatre conscient de la situation critique qui peut r\u00e9sulter des carences en connaissances ou en ressources pour la s\u00e9curit\u00e9 des personnes et des b\u00e2timents.<\/p>\n<p style=\"text-align: justify;\">Chez <strong>mercor<\/strong> <strong><span style=\"color: #ff0000;\">tecresa\u00ae<\/span><\/strong>, nous avons d\u00e9velopp\u00e9 un syst\u00e8me pour la mise en \u0153uvre de gaines de ventilation et d&rsquo;extraction r\u00e9sistantes au feu EI-120 au moyen d&rsquo;un <a href=\"https:\/\/mcrtecresa.com\/fr\/panneaux-tecbor\/conduits-de-ventilation-et-extraction-de-fumee\">panneau Tecbor de 30<\/a> mm qui doit \u00eatre install\u00e9 avec un profil sp\u00e9cifique selon le test.<\/p>\n<p><img decoding=\"async\" class=\"aligncenter\" src=\"https:\/\/mcrtecresa.com\/wp-content\/uploads\/2018\/03\/Conducto-Ventilacion-Tecbor-30-ABC-EI120.jpg\" alt=\"\" width=\"649\" height=\"491\" \/><\/p>\n<p><a href=\"https:\/\/mcrtecresa.com\/fr?page_id=18855\"><strong>N\u2019h\u00e9sitez pas \u00e0 nous\u00a0<\/strong><\/a><strong><a href=\"https:\/\/mcrtecresa.com\/fr?page_id=18855\">contacter<\/a>\u00a0pour toute information compl\u00e9mentaire sur nos produits.<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Pour conclure avec ces Post concernant la sectorisation, nous vous parlerons des gaines r\u00e9sistantes au feu. Comme mentionn\u00e9 dans la section DB-SI de la CTE sur la propagation \u00e0 l&rsquo;int\u00e9rieur,&#8230;<\/p>\n","protected":false},"author":2,"featured_media":13473,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[171],"tags":[],"class_list":["post-29633","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-produits-et-services"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Sectorisation aux passages des installations - Gaines r\u00e9sistants au feu<\/title>\n<meta name=\"description\" content=\"Pour conclure avec ces Post concernant la sectorisation, nous vous parlerons des gaines r\u00e9sistantes au feu. 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