{"id":11180,"date":"2018-04-01T08:42:29","date_gmt":"2018-04-01T06:42:29","guid":{"rendered":"https:\/\/mcrtecresa.com?p=11180"},"modified":"2025-10-22T13:19:19","modified_gmt":"2025-10-22T11:19:19","slug":"protection-contre-incendies-dans-les-structures-dacier","status":"publish","type":"post","link":"https:\/\/mcrtecresa.com\/fr\/blog\/protection-contre-incendies-dans-les-structures-dacier","title":{"rendered":"Protection contre incendies dans les structures d&rsquo;acier"},"content":{"rendered":"<p style=\"text-align: justify;\"><strong>\u00ab Mais pourquoi prot\u00e9ger l&rsquo;acier du feu car il ne br\u00fble pas ? \u00bb <\/strong>est une question souvent pos\u00e9e. <strong>\u00c0 des temp\u00e9ratures sup\u00e9rieures \u00e0 550\u00baC l\u2019acier sous charge commencera \u00e0 perdre sa marge de s\u00e9curit\u00e9 de conception, commencera \u00e0 boucler ainsi que le compartimentage et l\u2019int\u00e9grit\u00e9 seront d\u00e9truits<\/strong>. Pour retarder cette perte, les \u00e9l\u00e9ments en acier doivent \u00eatre prot\u00e9g\u00e9s avec des produits qui ralentissent l\u2019augmentation de la temp\u00e9rature. Ces produits doivent \u00eatre suffisamment solides pour r\u00e9sister \u00e0 la vitesse de l\u2019incendie et, dans certains cas, \u00e0 l\u2019impact directe de la flamme. Dans la plupart des cas l&rsquo;acier ne va \u00eatre expos\u00e9 \u00e0 un incendie cellulosique, comme dans un b\u00e2timent commercial normal Toutefois, dans le cas de l&rsquo;acier utilis\u00e9 dans un complexe p\u00e9trochimique, le feu est susceptible d&rsquo;\u00eatre beaucoup plus intense. Ce type de feu est connu comme un <strong><a href=\"https:\/\/mcrtecresa.com\/fr\/mortiers-tecwool\/tecwool-825\">feu d&rsquo;hydrocarbures<\/a><\/strong>, o\u00f9 les temp\u00e9ratures atteindront 1 000 \u00b0 C en quelques minutes.<\/p>\n<p style=\"text-align: justify;\">Lorsque l&rsquo;on consid\u00e8re un <strong><a href=\"https:\/\/mcrtecresa.com\/fr\">protection contre l&rsquo;incendie<\/a><\/strong>, c\u2019est important de faire la distinction entre le profil, la bo\u00eete et les m\u00e9thodes d&rsquo;application solides. La pulv\u00e9risation des mat\u00e9riaux est normalement appliqu\u00e9e pour suivre le profil de la section. Les mat\u00e9riaux de conglom\u00e9rat sont utilis\u00e9s pour former une bo\u00eete autour de la section et un b\u00e9ton isolant sp\u00e9cial peut \u00eatre utilis\u00e9 pour former une protection solide. Certaines normes d&rsquo;essai de feu europ\u00e9ennes ont \u00e9t\u00e9 publi\u00e9s pour remplacer les anciennes r\u00e8gles nationales et \u00e9liminer les obstacles techniques au commerce en Europe. Souligne l&rsquo;ENV 13381-4, qui \u00e9value les performances des mat\u00e9riaux de protection contre l&rsquo;incendie \u00ab\u00a0M\u00e9thodes d&rsquo;essai pour d\u00e9terminer la contribution \u00e0 la r\u00e9sistance au feu des \u00e9l\u00e9ments de construction &#8211; Partie 4 : protection passive appliqu\u00e9e aux \u00e9l\u00e9ments en acier\u00a0\u00bb. Cette norme fait r\u00e9f\u00e9rence \u00e0 l&rsquo;ensemble des r\u00e8gles EN 1363, contenant des informations g\u00e9n\u00e9rales sur les performances des essais de r\u00e9sistance au feu.<\/p>\n<p style=\"text-align: justify;\">La norme internationale d&rsquo;essai au feu, ISO 834, est similaire \u00e1 d\u2019autres normes raison pour laquelle est en cours de r\u00e9vision pour \u00eatre plus conforme aux r\u00e9glementations europ\u00e9ennes. \u00a0Nous esp\u00e9rons que, au fil du temps, l\u2019\u00e9change de donn\u00e9es d\u2019essai internationales sera fond\u00e9.<\/p>\n<h3 style=\"text-align: justify;\"><strong>Produits engag\u00e9s \u00e0 appliquer le r\u00e8glement<\/strong><\/h3>\n<p style=\"text-align: justify;\">La <strong>taille<\/strong> et le <strong>type<\/strong> d&rsquo;incendie sont les facteurs qui nous permettent d\u00e9terminer le degr\u00e9 de protection contre l\u2019incendie requis par un \u00e9l\u00e9ment en acier. Pour atteindre le m\u00eame niveau de protection lorsqu&rsquo;il est expos\u00e9 au m\u00eame type de feu, l&rsquo;acier \u00ablourd\u00bb n\u00e9cessite moins de protection ignifuge que l&rsquo;acier \u00abplus l\u00e9ger\u00bb.. D&rsquo;une mani\u00e8re g\u00e9n\u00e9rale, la \u00ab lourdeur \u00bb de l&rsquo;acier est d\u00e9termin\u00e9e par le rapport du p\u00e9rim\u00e8tre d&rsquo;\u00eatre expos\u00e9s au feu \u00e0 sa section transversale. Au Royaume-Uni, on parle de Facteur Sectoriel, plus le ratio est \u00e9lev\u00e9, plus la protection contre le feu requise est \u00e9lev\u00e9e.<\/p>\n<p style=\"text-align: justify;\">Les <strong>r\u00e8glements de construction nationaux<\/strong> exigent certains \u00e9l\u00e9ments de la structure ayant une r\u00e9sistance au feu. Le fait qu&rsquo;un \u00e9l\u00e9ment exige ou non une r\u00e9sistance au feu d\u00e9pend de facteurs tels que la taille, la hauteur, l&rsquo;utilisation et l&rsquo;occupation de la construction et la fonction de l&rsquo;\u00e9l\u00e9ment. Lorsque les \u00e9l\u00e9ments de structure devraient avoir une meilleure r\u00e9sistance au feu, ils peuvent \u00eatre prot\u00e9g\u00e9s par l&rsquo;application de mat\u00e9riaux isolants. Une large gamme de mat\u00e9riaux est disponible pour am\u00e9liorer la r\u00e9sistance au feu des \u00e9l\u00e9ments structuraux en acier ainsi que pour r\u00e9pondre aux exigences sp\u00e9cifiques du site.<\/p>\n<p style=\"text-align: justify;\">Dans <strong>mercor <span style=\"color: #e42313;\">tecresa<\/span><sup>\u00ae<\/sup><\/strong>, nous proposons une large gamme de produits pour la protection contre l\u2019incendie des \u00e9l\u00e9ments structurels en acier, tels que :<\/p>\n<ul>\n<li>Mortier ignifuge de laine de roche <a href=\"https:\/\/mcrtecresa.com\/fr\/mortiers-tecwool\/tecwool-f\/protection-des-elements-en-acier\"><strong>Tecwool<sup>\u00ae<\/sup><\/strong>.<\/a><\/li>\n<li>Mortier <strong><a href=\"https:\/\/mcrtecresa.com\/fr?page_id=19190\">Tecplaster<sup>\u00ae<\/sup><\/a><\/strong><a href=\"https:\/\/mcrtecresa.com\/fr?page_id=19190\">.<\/a><\/li>\n<li>Panneaux rigide\u00a0<strong><a href=\"https:\/\/mcrtecresa.com\/fr\/panneaux-tecbor\/structure-metallique\">Tecbor<sup>\u00ae<\/sup><\/a><\/strong>.<\/li>\n<li>Peinture intumescente\u00a0<strong><a href=\"https:\/\/mcrtecresa.com\/fr\/peinture-intumescente-teclack-w\/protection-des-elements-en-acier\">Teclack-W<sup>\u00ae<\/sup><\/a><\/strong>.<\/li>\n<\/ul>\n<p>Source:\u00a0<a href=\"http:\/\/www.eapfp.com\/\" target=\"_blank\" rel=\"noopener noreferrer\">European Association for Passive Fire Protection<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u00ab Mais pourquoi prot\u00e9ger l&rsquo;acier du feu car il ne br\u00fble pas ? \u00bb est une question souvent pos\u00e9e. \u00c0 des temp\u00e9ratures sup\u00e9rieures \u00e0 550\u00baC l\u2019acier sous charge commencera \u00e0&#8230;<\/p>\n","protected":false},"author":16,"featured_media":28314,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[173],"tags":[],"class_list":["post-11180","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-reglements-et-guides"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Protection contre incendies dans les structures d&#039;acier - Mcr Tecresa<\/title>\n<meta name=\"description\" content=\"L&#039;acier, \u00e0 haute temp\u00e9rature, perd ses propri\u00e9t\u00e9s et peut compromettre la structure d&#039;un b\u00e2timent. 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