{"id":2391,"date":"2020-04-07T20:54:38","date_gmt":"2020-04-07T20:54:38","guid":{"rendered":"https:\/\/protasoftware.com\/fr\/wiki\/verification-de-la-condition-de-ductilite-locale-ec8\/"},"modified":"2020-04-07T20:54:38","modified_gmt":"2020-04-07T20:54:38","slug":"verification-de-la-condition-de-ductilite-locale-ec8","status":"publish","type":"wiki","link":"https:\/\/protasoftware.com\/fr\/support\/manuels-techniques\/verification-de-la-condition-de-ductilite-locale-ec8\/","title":{"rendered":"V\u00e9rification de la condition de ductilit\u00e9 locale (EC8)"},"content":{"rendered":"<h6><strong>R\u00e9sum\u00e9<\/strong><\/h6>\n<h3>Garantir la ductilit\u00e9 avec le calcul poteau fort-poutre faible<\/h3>\n<p><strong>Le contr\u00f4le poteau fort-poutre faible EC8 dans ProtaStructure<\/strong> v\u00e9rifie les <strong>conditions de ductilit\u00e9 globale et locale<\/strong> selon l&rsquo;<strong>EC8 chapitre 4.4.2.3<\/strong>, norme europ\u00e9enne de r\u00e9f\u00e9rence pour le calcul sismique. Ces contr\u00f4les garantissent un comportement s\u00fbr et efficace des structures pendant un s\u00e9isme.<\/p>\n<p>Ce document traite de la <strong>condition poteau fort-poutre faible<\/strong>. Ce principe am\u00e9liore la ductilit\u00e9 et \u00e9vite les ruptures structurelles catastrophiques. Il d\u00e9crit les calculs et la m\u00e9thodologie de ces contr\u00f4les. L&rsquo;ing\u00e9nieur peut ainsi optimiser le comportement sismique de l&rsquo;ouvrage.<\/p>\n<h3>Importance du calcul poteau fort-poutre faible<\/h3>\n<p>Dans le calcul sismique, le <strong>principe<\/strong> poteau fort-poutre faible de l&rsquo;EC8 impose que les poteaux restent plus r\u00e9sistants que les poutres qu&rsquo;ils supportent. Cette hi\u00e9rarchie emp\u00eache la ruine pr\u00e9alable des poteaux. Elle pr\u00e9serve l&rsquo;int\u00e9grit\u00e9 de la structure et assure un m\u00e9canisme ma\u00eetris\u00e9 de dissipation d&rsquo;\u00e9nergie. ProtaStructure utilise des algorithmes avanc\u00e9s pour v\u00e9rifier :<\/p>\n<ol>\n<li><strong>Les rapports de r\u00e9sistance poteau-poutre<\/strong> : les poteaux doivent \u00eatre nettement plus r\u00e9sistants que les poutres, afin d&rsquo;\u00e9viter une ruine pr\u00e9matur\u00e9e.<\/li>\n<li><strong>Les conditions de ductilit\u00e9<\/strong> : \u00e9valuation de la capacit\u00e9 de la structure \u00e0 se d\u00e9former plastiquement sans perte de r\u00e9sistance notable.<\/li>\n<li><strong>La conformit\u00e9 sismique<\/strong> : respect des exigences de l&rsquo;EC8 pour la ductilit\u00e9 locale et globale.<\/li>\n<\/ol>\n<h3>Comment ProtaStructure simplifie les contr\u00f4les de ductilit\u00e9<\/h3>\n<p>ProtaStructure automatise ces calculs et r\u00e9duit le temps de travail de l&rsquo;ing\u00e9nieur. Le logiciel fournit des r\u00e9sultats clairs pour :<\/p>\n<ul>\n<li>Les rapports de r\u00e9sistance des poteaux et des poutres.<\/li>\n<li>Les combinaisons de charges qui satisfont aux exigences sismiques.<\/li>\n<li>Les contr\u00f4les de ductilit\u00e9 locale pour chaque \u00e9l\u00e9ment.<\/li>\n<\/ul>\n<h3>Applications concr\u00e8tes<\/h3>\n<p>D\u00e9couvrez comment ProtaStructure a servi au calcul sismique dans le monde :<\/p>\n<ul>\n<li>Consultez notre <a href=\"https:\/\/protasoftware.com\/community\/projects-gallery\/\" target=\"_new\" rel=\"noopener\"><strong>Galerie de projets<\/strong><\/a> pour voir des exemples r\u00e9els.<\/li>\n<li>Lisez les <a href=\"https:\/\/protasoftware.com\/community\/client-success\/\" target=\"_new\" rel=\"noopener\"><strong>T\u00e9moignages de r\u00e9ussite de nos clients<\/strong><\/a> qui pr\u00e9sentent des solutions innovantes.<\/li>\n<\/ul>\n<h3>Avantages du contr\u00f4le poteau fort-poutre faible EC8<\/h3>\n<p>En appliquant le principe poteau fort-poutre faible, l&rsquo;ing\u00e9nieur peut :<\/p>\n<ul>\n<li>Am\u00e9liorer le comportement sismique des b\u00e2timents \u00e0 plusieurs \u00e9tages.<\/li>\n<li>Limiter les dommages structurels et prot\u00e9ger les vies pendant un s\u00e9isme.<\/li>\n<li>Garantir la conformit\u00e9 avec l&rsquo;EC8 chapitre 4.4.2.3 et d&rsquo;autres normes internationales.<\/li>\n<\/ul>\n<p>\t\t\t<a href=\"https:\/\/cdn.protasoftware.com\/documents\/whitepaper\/protastructure-design-guide-local-ductility-condition-check-(ec8).pdf\" target=\"_blank\" rel=\"noopener\"><br \/>\n    Ouvrir le document<br \/>\n<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>R\u00e9sum\u00e9 Garantir la ductilit\u00e9 avec le calcul poteau fort-poutre faible Le contr\u00f4le poteau fort-poutre faible EC8 dans ProtaStructure v\u00e9rifie les conditions de ductilit\u00e9 globale et&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"template":"","meta":{"_whitepaper_youtube_videos":"","_whitepaper_youtube_url":"","_whitepaper_youtube_thumbnail":"","footnotes":""},"categories":[36],"whitepaper_topic":[],"whitepaper_product":[],"whitepaper_type":[],"class_list":["post-2391","wiki","type-wiki","status-publish","hentry","category-seismic-capabilities"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.9 (Yoast SEO v27.9) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Poteau fort-poutre faible EC8 : ductilit\u00e9 et conformit\u00e9<\/title>\n<meta name=\"description\" content=\"D\u00e9couvrez comment ProtaStructure v\u00e9rifie le poteau fort-poutre faible selon EC8 4.4.2.3. 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