{"id":2393,"date":"2020-04-07T20:54:40","date_gmt":"2020-04-07T20:54:40","guid":{"rendered":"https:\/\/protasoftware.com\/fr\/wiki\/verification-de-la-condition-poteau-fort-poutre-faible-aci-318\/"},"modified":"2020-04-07T20:54:40","modified_gmt":"2020-04-07T20:54:40","slug":"verification-de-la-condition-poteau-fort-poutre-faible-aci-318","status":"publish","type":"wiki","link":"https:\/\/protasoftware.com\/fr\/support\/manuels-techniques\/verification-de-la-condition-poteau-fort-poutre-faible-aci-318\/","title":{"rendered":"V\u00e9rification de la condition poteau fort-poutre faible (ACI-318)"},"content":{"rendered":"<h6><strong>R\u00e9sum\u00e9<\/strong><\/h6>\n<h3>Garantir la ductilit\u00e9 avec le calcul poteau fort-poutre faible selon ACI 318<\/h3>\n<p><strong>ProtaStructure<\/strong> v\u00e9rifie les <strong>conditions de ductilit\u00e9 globale et locale<\/strong> conform\u00e9ment \u00e0 la <strong>section 18.7.3 de l&rsquo;ACI 318<\/strong>, une norme essentielle pour le calcul sismique. Le logiciel \u00e9value la <strong>condition poteau fort-poutre faible de l&rsquo;ACI 318<\/strong>. Les \u00e9l\u00e9ments structuraux respectent ainsi les exigences de s\u00e9curit\u00e9 et de ductilit\u00e9 lors des s\u00e9ismes.<\/p>\n<h3>Importance du calcul poteau fort-poutre faible<\/h3>\n<p>En calcul sismique, le principe poteau fort-poutre faible impose que les poteaux soient plus r\u00e9sistants que les poutres qu&rsquo;ils supportent. Cette hi\u00e9rarchie \u00e9vite la ruine des poteaux, qui pourrait entra\u00eener l&rsquo;effondrement de la structure. La rupture des poutres survient en premier. Elle permet une dissipation d&rsquo;\u00e9nergie ma\u00eetris\u00e9e et renforce la r\u00e9silience sismique globale du b\u00e2timent.<\/p>\n<p>Les principaux avantages de ce principe :<\/p>\n<ol>\n<li><strong>Ductilit\u00e9 am\u00e9lior\u00e9e<\/strong> : les poteaux restent intacts et permettent des d\u00e9formations ma\u00eetris\u00e9es.<\/li>\n<li><strong>Dissipation d&rsquo;\u00e9nergie<\/strong> : la structure absorbe les forces sismiques sans rupture catastrophique.<\/li>\n<li><strong>Stabilit\u00e9 accrue<\/strong> : le b\u00e2timent conserve son int\u00e9grit\u00e9 pendant et apr\u00e8s les s\u00e9ismes.<\/li>\n<\/ol>\n<h3>Calculs couverts par le document<\/h3>\n<p>Ce document pr\u00e9sente en d\u00e9tail :<\/p>\n<ul>\n<li><strong>Rapports de r\u00e9sistance poteau\/poutre<\/strong> : les poteaux doivent \u00eatre nettement plus r\u00e9sistants que les poutres pour \u00e9viter une rupture pr\u00e9matur\u00e9e.<\/li>\n<li><strong>Analyse des combinaisons de charges<\/strong> : \u00e9valuation des combinaisons de charges sismiques et gravitaires selon les prescriptions de l&rsquo;ACI 318.<\/li>\n<li><strong>V\u00e9rifications de ductilit\u00e9 locale<\/strong> : contr\u00f4le du respect des exigences de ductilit\u00e9 par chaque \u00e9l\u00e9ment.<\/li>\n<\/ul>\n<p>ProtaStructure automatise ces calculs. Le processus gagne en efficacit\u00e9 et en conformit\u00e9.<\/p>\n<h3>Applications concr\u00e8tes<\/h3>\n<p>D\u00e9couvrez comment ProtaStructure assure la s\u00e9curit\u00e9 sismique dans des projets r\u00e9els :<\/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 des exemples inspirants.<\/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> pour voir comment les ing\u00e9nieurs exploitent ProtaStructure dans des calculs innovants.<\/li>\n<\/ul>\n<h3>Avantages de ProtaStructure pour les v\u00e9rifications de ductilit\u00e9<\/h3>\n<p>Avec les outils avanc\u00e9s de ProtaStructure, les ing\u00e9nieurs peuvent :<\/p>\n<ul>\n<li>Assurer la conformit\u00e9 avec la section 18.7.3 de l&rsquo;ACI 318.<\/li>\n<li>Am\u00e9liorer la performance sismique gr\u00e2ce \u00e0 des \u00e9valuations pr\u00e9cises de la r\u00e9sistance et de la ductilit\u00e9.<\/li>\n<li>Gagner du temps avec des flux de calcul automatis\u00e9s.<\/li>\n<li>Livrer des calculs de b\u00e2timents plus s\u00fbrs et plus fiables.<\/li>\n<\/ul>\n<p>\t\t\t<a href=\"https:\/\/cdn.protasoftware.com\/documents\/whitepaper\/protastructure-design-guide-strong-column-weak-beam-condition-check-(aci-318).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 selon ACI 318 ProtaStructure v\u00e9rifie les conditions de ductilit\u00e9 globale et locale conform\u00e9ment \u00e0 la&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-2393","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 ACI 318 : assurer la ductilit\u00e9 du calcul<\/title>\n<meta name=\"description\" content=\"D\u00e9couvrez comment ProtaStructure v\u00e9rifie la condition poteau fort-poutre faible selon ACI 318, section 18.7.3. 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