{"id":2390,"date":"2020-04-07T20:54:39","date_gmt":"2020-04-07T20:54:39","guid":{"rendered":"https:\/\/protasoftware.com\/fr\/wiki\/calcul-du-cisaillement-des-noeuds-poutre-poteau-aci-318-19\/"},"modified":"2020-04-07T20:54:39","modified_gmt":"2020-04-07T20:54:39","slug":"calcul-du-cisaillement-des-noeuds-poutre-poteau-aci-318-19","status":"publish","type":"wiki","link":"https:\/\/protasoftware.com\/fr\/support\/manuels-techniques\/calcul-du-cisaillement-des-noeuds-poutre-poteau-aci-318-19\/","title":{"rendered":"Calcul du cisaillement des n\u0153uds poutre-poteau (ACI 318-19)"},"content":{"rendered":"<h6><strong>R\u00e9sum\u00e9<\/strong><\/h6>\n<h3>Calcul du cisaillement des n\u0153uds poutre-poteau selon ACI 318-19<\/h3>\n<p><strong>ProtaStructure<\/strong> garantit la conformit\u00e9 avec <strong>ACI 318-19, chapitre 15 et 18.8.4<\/strong>. Le logiciel fournit des v\u00e9rifications fiables des <strong>limites de cisaillement des n\u0153uds poutre-poteau<\/strong>. Les n\u0153uds poutre-poteau assurent la stabilit\u00e9 de la structure, surtout en zone sismique. Un calcul correct du n\u0153ud permet \u00e0 la structure de reprendre les efforts transmis entre poutres et poteaux. La s\u00e9curit\u00e9 et la fonctionnalit\u00e9 sont ainsi maintenues.<\/p>\n<h3>Principaux calculs expliqu\u00e9s<\/h3>\n<p>Ce document d\u00e9crit les calculs utilis\u00e9s pour v\u00e9rifier le cisaillement des n\u0153uds poutre-poteau selon ACI 318-19. Les points principaux sont les suivants :<\/p>\n<ol>\n<li><strong>\u00c9valuation de la r\u00e9sistance au cisaillement<\/strong> : d\u00e9termine la capacit\u00e9 du n\u0153ud \u00e0 r\u00e9sister aux efforts de cisaillement appliqu\u00e9s.<\/li>\n<li><strong>Exigences d&rsquo;armature<\/strong> : calcule l&rsquo;armature n\u00e9cessaire pour renforcer le n\u0153ud et pr\u00e9venir la rupture par cisaillement.<\/li>\n<li><strong>Consid\u00e9rations sismiques<\/strong> : \u00e9value le comportement du n\u0153ud sous charges sismiques afin d&rsquo;assurer la ductilit\u00e9 et la dissipation d&rsquo;\u00e9nergie.<\/li>\n<\/ol>\n<h3>Pourquoi le calcul du cisaillement des n\u0153uds poutre-poteau est important<\/h3>\n<p>Les n\u0153uds poutre-poteau subissent des \u00e9tats de contraintes complexes pendant les s\u00e9ismes et autres \u00e9v\u00e9nements dynamiques. Sans calcul correct, ces n\u0153uds sont expos\u00e9s \u00e0 :<\/p>\n<ul>\n<li><strong>Ruptures par cisaillement<\/strong> : d\u00e9formations non ma\u00eetris\u00e9es qui compromettent la s\u00e9curit\u00e9 de la structure.<\/li>\n<li><strong>Perte de ductilit\u00e9<\/strong> : capacit\u00e9 r\u00e9duite \u00e0 absorber et dissiper l&rsquo;\u00e9nergie sismique.<\/li>\n<li><strong>Instabilit\u00e9 structurelle<\/strong> : risque accru d&rsquo;effondrement progressif.<\/li>\n<\/ul>\n<p>En suivant les prescriptions d&rsquo;ACI 318-19, les ing\u00e9nieurs garantissent la s\u00e9curit\u00e9 et la durabilit\u00e9 des ouvrages.<\/p>\n<h3>Comment ProtaStructure simplifie le calcul du cisaillement des n\u0153uds<\/h3>\n<p>ProtaStructure rationalise le calcul du cisaillement des n\u0153uds poutre-poteau gr\u00e2ce \u00e0 :<\/p>\n<ul>\n<li><strong>Calculs automatis\u00e9s<\/strong> : fait gagner du temps et limite les erreurs en automatisant les calculs de r\u00e9sistance au cisaillement et d&rsquo;armature du n\u0153ud.<\/li>\n<li><strong>V\u00e9rifications de conformit\u00e9 aux normes<\/strong> : garantit que les calculs respectent les exigences d&rsquo;ACI 318-19.<\/li>\n<li><strong>Int\u00e9gration transparente<\/strong> : r\u00e9unit calcul et analyse dans un flux de travail unique.<\/li>\n<\/ul>\n<h3>Applications concr\u00e8tes<\/h3>\n<p>D\u00e9couvrez comment ProtaStructure sert \u00e0 dimensionner des structures s\u00fbres et efficaces :<\/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 concrets.<\/li>\n<li>Lisez les <a href=\"https:\/\/protasoftware.com\/community\/client-success\/\" target=\"_new\" rel=\"noopener\"><strong>t\u00e9moignages de r\u00e9ussite de clients<\/strong><\/a> qui pr\u00e9sentent des solutions d&rsquo;ing\u00e9nierie innovantes.<\/li>\n<\/ul>\n<h3>Avantages de ProtaStructure pour le calcul du cisaillement des n\u0153uds<\/h3>\n<p>Avec ProtaStructure, les ing\u00e9nieurs peuvent :<\/p>\n<ul>\n<li>Calculer avec pr\u00e9cision la r\u00e9sistance au cisaillement du n\u0153ud et son armature.<\/li>\n<li>Optimiser le comportement du n\u0153ud sous charges sismiques et statiques.<\/li>\n<li>Simplifier la conformit\u00e9 aux normes ACI 318-19.<\/li>\n<li>R\u00e9duire le temps de calcul tout en am\u00e9liorant la pr\u00e9cision du projet.<\/li>\n<\/ul>\n<p>\t\t\t<a href=\"https:\/\/cdn.protasoftware.com\/documents\/whitepaper\/protastructure-design-guide-beam-column-joint-shear-design-(aci-318-19).pdf\" target=\"_blank\" rel=\"noopener\"><br \/>\n    Ouvrir le document<br \/>\n<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>R\u00e9sum\u00e9 Calcul du cisaillement des n\u0153uds poutre-poteau selon ACI 318-19 ProtaStructure garantit la conformit\u00e9 avec ACI 318-19, chapitre 15 et 18.8.4. Le logiciel fournit des&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-2390","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>Calcul du cisaillement des n\u0153uds poutre-poteau ACI 318-19 : \u00e9tapes cl\u00e9s<\/title>\n<meta name=\"description\" content=\"D\u00e9couvrez comment ProtaStructure v\u00e9rifie le cisaillement des n\u0153uds poutre-poteau selon l&#039;ACI 318-19. \u00c9tapes de calcul cl\u00e9s et applications concr\u00e8tes.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, 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