{"id":795,"date":"2024-06-28T12:48:01","date_gmt":"2024-06-28T10:48:01","guid":{"rendered":"https:\/\/icab.eu\/pro\/?p=795"},"modified":"2024-07-28T11:10:54","modified_gmt":"2024-07-28T09:10:54","slug":"tenue-feu-acier","status":"publish","type":"post","link":"https:\/\/icab.eu\/pro\/tenue-feu-acier\/","title":{"rendered":"tenue au feu de l&rsquo;acier"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_81 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Sommaire<\/p>\n<label for=\"ez-toc-cssicon-toggle-item-69d8d4c5240f4\" class=\"ez-toc-cssicon-toggle-label\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-69d8d4c5240f4\"  aria-label=\"Toggle\" \/><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/icab.eu\/pro\/tenue-feu-acier\/#Montee_en_temperature\" >Mont\u00e9e en temp\u00e9rature<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/icab.eu\/pro\/tenue-feu-acier\/#Resistance_reduite_de_lacier\" >R\u00e9sistance r\u00e9duite de l&rsquo;acier<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Montee_en_temperature\"><\/span>Mont\u00e9e en temp\u00e9rature<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>L&rsquo;Eurocode EN1991-1-2 section 3.2 pr\u00e9cise les mont\u00e9es en temp\u00e9rature lors d&rsquo;incendies selon<\/p>\n<p>3.2.1 courbe normalis\u00e9e<\/p>\n<p>3.2.2 courbe de feu ext\u00e9rieur, temp\u00e9rature ne pouvant exc\u00e9der 680\u00b0C<\/p>\n<p>3.2.3 courbe d&rsquo;hydrocarbure<\/p>\n<p>&nbsp;<\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone wp-image-794 size-full\" src=\"https:\/\/icab.eu\/pro\/wp-content\/uploads\/2024\/06\/en1991-1-2_3_2_courbe_feu.jpg\" alt=\"\" width=\"684\" height=\"691\" srcset=\"https:\/\/icab.eu\/pro\/wp-content\/uploads\/2024\/06\/en1991-1-2_3_2_courbe_feu.jpg 684w, https:\/\/icab.eu\/pro\/wp-content\/uploads\/2024\/06\/en1991-1-2_3_2_courbe_feu-297x300.jpg 297w\" sizes=\"(max-width: 684px) 100vw, 684px\" \/><br \/>\n<img decoding=\"async\" class=\"alignnone wp-image-802 size-full\" src=\"https:\/\/icab.eu\/pro\/wp-content\/uploads\/2024\/06\/en1991-1-2_3_2_courbe_feu_traces120.jpg\" alt=\"\" width=\"485\" height=\"612\" srcset=\"https:\/\/icab.eu\/pro\/wp-content\/uploads\/2024\/06\/en1991-1-2_3_2_courbe_feu_traces120.jpg 485w, https:\/\/icab.eu\/pro\/wp-content\/uploads\/2024\/06\/en1991-1-2_3_2_courbe_feu_traces120-238x300.jpg 238w\" sizes=\"(max-width: 485px) 100vw, 485px\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Resistance_reduite_de_lacier\"><\/span>R\u00e9sistance r\u00e9duite de l&rsquo;acier<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>L&rsquo;Eurocode EN1993-1 indique la r\u00e9duction de limite \u00e9lastique et un module \u00e9lastique avec la mont\u00e9e en temp\u00e9rature, ci-dessous pour l&rsquo;acier au carbone:<\/p>\n<p>&nbsp;<\/p>\n<p><img decoding=\"async\" class=\"alignnone wp-image-796 size-full\" src=\"https:\/\/icab.eu\/pro\/wp-content\/uploads\/2024\/06\/en1993-1-2_3_1_acier_feu_courbe.jpg\" alt=\"\" width=\"924\" height=\"615\" srcset=\"https:\/\/icab.eu\/pro\/wp-content\/uploads\/2024\/06\/en1993-1-2_3_1_acier_feu_courbe.jpg 924w, https:\/\/icab.eu\/pro\/wp-content\/uploads\/2024\/06\/en1993-1-2_3_1_acier_feu_courbe-300x200.jpg 300w, https:\/\/icab.eu\/pro\/wp-content\/uploads\/2024\/06\/en1993-1-2_3_1_acier_feu_courbe-768x511.jpg 768w\" sizes=\"(max-width: 924px) 100vw, 924px\" \/><\/p>\n<p>Exemple \u00e0 680\u00b0C,<br \/>\nky=0.278, r\u00e9duction de la limite \u00e9lastique, pour S275 ky x fy = 0.278 x 275 = 76.45MPa<br \/>\nkE= 0.166, r\u00e9duction du module \u00e9lastique, soit kE.E = 0.166 x 210 GPa=34.86GPa<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-793 size-full\" src=\"https:\/\/icab.eu\/pro\/wp-content\/uploads\/2024\/06\/en1993-1-2_3_1_acier_feu.jpg\" alt=\"\" width=\"921\" height=\"1001\" srcset=\"https:\/\/icab.eu\/pro\/wp-content\/uploads\/2024\/06\/en1993-1-2_3_1_acier_feu.jpg 921w, https:\/\/icab.eu\/pro\/wp-content\/uploads\/2024\/06\/en1993-1-2_3_1_acier_feu-276x300.jpg 276w, https:\/\/icab.eu\/pro\/wp-content\/uploads\/2024\/06\/en1993-1-2_3_1_acier_feu-768x835.jpg 768w\" sizes=\"(max-width: 921px) 100vw, 921px\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Mont\u00e9e en temp\u00e9rature L&rsquo;Eurocode EN1991-1-2 section 3.2 pr\u00e9cise les mont\u00e9es en temp\u00e9rature lors d&rsquo;incendies selon 3.2.1 courbe normalis\u00e9e 3.2.2 courbe de feu ext\u00e9rieur, temp\u00e9rature ne pouvant exc\u00e9der 680\u00b0C 3.2.3 courbe d&rsquo;hydrocarbure &nbsp; R\u00e9sistance r\u00e9duite de l&rsquo;acier L&rsquo;Eurocode EN1993-1 indique la r\u00e9duction de limite \u00e9lastique et un module \u00e9lastique avec la mont\u00e9e en temp\u00e9rature, ci-dessous pour [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"footnotes":""},"categories":[3,21,22],"tags":[],"class_list":["post-795","post","type-post","status-publish","format-standard","hentry","category-icab","category-modelisation","category-support"],"_links":{"self":[{"href":"https:\/\/icab.eu\/pro\/wp-json\/wp\/v2\/posts\/795","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/icab.eu\/pro\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/icab.eu\/pro\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/icab.eu\/pro\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/icab.eu\/pro\/wp-json\/wp\/v2\/comments?post=795"}],"version-history":[{"count":6,"href":"https:\/\/icab.eu\/pro\/wp-json\/wp\/v2\/posts\/795\/revisions"}],"predecessor-version":[{"id":804,"href":"https:\/\/icab.eu\/pro\/wp-json\/wp\/v2\/posts\/795\/revisions\/804"}],"wp:attachment":[{"href":"https:\/\/icab.eu\/pro\/wp-json\/wp\/v2\/media?parent=795"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/icab.eu\/pro\/wp-json\/wp\/v2\/categories?post=795"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/icab.eu\/pro\/wp-json\/wp\/v2\/tags?post=795"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}