{"id":2392,"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-ec8\/"},"modified":"2020-04-07T20:54:39","modified_gmt":"2020-04-07T20:54:39","slug":"calcul-du-cisaillement-des-noeuds-poutre-poteau-ec8","status":"publish","type":"wiki","link":"https:\/\/protasoftware.com\/fr\/support\/manuels-techniques\/calcul-du-cisaillement-des-noeuds-poutre-poteau-ec8\/","title":{"rendered":"Calcul du cisaillement des n\u0153uds poutre-poteau (EC8)"},"content":{"rendered":"<h6><strong>R\u00e9sum\u00e9<\/strong><\/h6>\n<h3>Calcul du cisaillement des n\u0153uds poteau-poutre dans ProtaStructure<\/h3>\n<p>Le calcul du cisaillement des n\u0153uds poteau-poutre selon l&rsquo;EC8 dans <strong>ProtaStructure<\/strong> \u00e9value le <strong>cisaillement des n\u0153uds poteau-poutre<\/strong> d&rsquo;apr\u00e8s les dispositions d\u00e9taill\u00e9es des <strong>chapitres 5.5.2.3 et 5.5.3.3 de l&rsquo;EC8<\/strong>. Ces chapitres fixent les exigences de r\u00e9sistance, de stabilit\u00e9 et de ductilit\u00e9 des assemblages poteau-poutre, en particulier sous chargement sismique.<\/p>\n<p>Ce document d\u00e9taille les calculs utilis\u00e9s pour le cisaillement des n\u0153uds. Les ing\u00e9nieurs peuvent ainsi am\u00e9liorer la performance et la s\u00e9curit\u00e9 de leurs structures pendant les s\u00e9ismes.<\/p>\n<h3>Importance du calcul du cisaillement des n\u0153uds poteau-poutre<\/h3>\n<p>Les n\u0153uds poteau-poutre sont les zones les plus critiques d&rsquo;un portique. Ils subissent des \u00e9tats de contraintes complexes pendant les \u00e9v\u00e9nements sismiques. Des n\u0153uds mal calcul\u00e9s peuvent entra\u00eener :<\/p>\n<ul>\n<li><strong>Ruptures par cisaillement du n\u0153ud<\/strong> : d\u00e9formations non ma\u00eetris\u00e9es qui compromettent l&rsquo;int\u00e9grit\u00e9 de toute la structure.<\/li>\n<li><strong>Perte de ductilit\u00e9<\/strong> : capacit\u00e9 de dissipation d&rsquo;\u00e9nergie du b\u00e2timent r\u00e9duite.<\/li>\n<li><strong>Instabilit\u00e9 structurelle<\/strong> : risque d&rsquo;effondrement accru sous les efforts sismiques.<\/li>\n<\/ul>\n<p>Pour ma\u00eetriser ces risques, l&rsquo;EC8 impose des exigences pr\u00e9cises pour le calcul des n\u0153uds. Le n\u0153ud doit reprendre les efforts transmis par les poutres et les poteaux sans rupture.<\/p>\n<h3>Comment ProtaStructure simplifie le calcul des n\u0153uds<\/h3>\n<p>ProtaStructure automatise le calcul du cisaillement des n\u0153uds et garantit la conformit\u00e9 aux exigences de l&rsquo;EC8. Le logiciel \u00e9value :<\/p>\n<ol>\n<li><strong>Efforts de cisaillement du n\u0153ud<\/strong> : calcule les efforts tranchants agissant sur le n\u0153ud sous chargement sismique.<\/li>\n<li><strong>Armatures n\u00e9cessaires<\/strong> : d\u00e9termine les armatures requises pour r\u00e9sister au cisaillement et conserver la ductilit\u00e9.<\/li>\n<li><strong>Conformit\u00e9 \u00e0 la norme<\/strong> : v\u00e9rifie que le calcul du n\u0153ud respecte l&rsquo;EC8, y compris les crit\u00e8res de r\u00e9sistance et de ductilit\u00e9.<\/li>\n<\/ol>\n<h3>Applications concr\u00e8tes<\/h3>\n<p>D\u00e9couvrez comment des ing\u00e9nieurs ont utilis\u00e9 ProtaStructure face aux enjeux de cisaillement des n\u0153uds en zone sismique :<\/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 de structures r\u00e9elles.<\/li>\n<li>Explorez les <a href=\"https:\/\/protasoftware.com\/community\/client-success\/\" target=\"_new\" rel=\"noopener\"><strong>T\u00e9moignages clients<\/strong><\/a> qui pr\u00e9sentent des solutions innovantes avec ProtaStructure.<\/li>\n<\/ul>\n<h3>Avantages du calcul du cisaillement des n\u0153uds poteau-poutre<\/h3>\n<p>En appliquant les recommandations de l&rsquo;EC8 pour les n\u0153uds, les ing\u00e9nieurs peuvent :<\/p>\n<ul>\n<li>Garantir la r\u00e9sistance et la stabilit\u00e9 des n\u0153uds poteau-poutre.<\/li>\n<li>Am\u00e9liorer la performance sismique des portiques.<\/li>\n<li>R\u00e9duire le risque de rupture par cisaillement des n\u0153uds pendant les s\u00e9ismes.<\/li>\n<li>Simplifier le calcul avec des outils comme ProtaStructure.<\/li>\n<\/ul>\n<p>\t\t\t<a href=\"https:\/\/cdn.protasoftware.com\/documents\/whitepaper\/protastructure-design-guide-beam-column-joint-shear-design-(ec8).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 poteau-poutre dans ProtaStructure Le calcul du cisaillement des n\u0153uds poteau-poutre selon l&rsquo;EC8 dans ProtaStructure \u00e9value le cisaillement des n\u0153uds&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-2392","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>Cisaillement des n\u0153uds poutre-poteau EC8 : calculs<\/title>\n<meta name=\"description\" content=\"D\u00e9couvrez comment ProtaStructure \u00e9value le calcul du cisaillement des n\u0153uds poutre-poteau selon l&#039;EC8. Les calculs en zones sismiques expliqu\u00e9s.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/protasoftware.com\/fr\/support\/manuels-techniques\/calcul-du-cisaillement-des-noeuds-poutre-poteau-ec8\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Prota Software\" \/>\n<meta property=\"og:description\" content=\"D\u00e9couvrez comment ProtaStructure \u00e9value le calcul du cisaillement des n\u0153uds poutre-poteau selon l&#039;EC8. Les calculs en zones sismiques expliqu\u00e9s.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/protasoftware.com\/fr\/support\/manuels-techniques\/calcul-du-cisaillement-des-noeuds-poutre-poteau-ec8\/\" \/>\n<meta property=\"og:site_name\" content=\"Prota Software\" \/>\n<meta property=\"og:image\" content=\"https:\/\/protasoftware.com\/fr\/wp-content\/uploads\/sites\/5\/2026\/09\/prota-og-default-fr.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"630\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"Prota Software\" \/>\n<meta name=\"twitter:label1\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/protasoftware.com\\\/fr\\\/support\\\/manuels-techniques\\\/calcul-du-cisaillement-des-noeuds-poutre-poteau-ec8\\\/\",\"url\":\"https:\\\/\\\/protasoftware.com\\\/fr\\\/support\\\/manuels-techniques\\\/calcul-du-cisaillement-des-noeuds-poutre-poteau-ec8\\\/\",\"name\":\"Cisaillement des n\u0153uds poutre-poteau EC8 : calculs\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/protasoftware.com\\\/fr\\\/#website\"},\"datePublished\":\"2020-04-07T20:54:39+00:00\",\"description\":\"D\u00e9couvrez comment ProtaStructure \u00e9value le calcul du cisaillement des n\u0153uds poutre-poteau selon l'EC8. Les calculs en zones sismiques expliqu\u00e9s.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/protasoftware.com\\\/fr\\\/support\\\/manuels-techniques\\\/calcul-du-cisaillement-des-noeuds-poutre-poteau-ec8\\\/#breadcrumb\"},\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/protasoftware.com\\\/fr\\\/support\\\/manuels-techniques\\\/calcul-du-cisaillement-des-noeuds-poutre-poteau-ec8\\\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/protasoftware.com\\\/fr\\\/support\\\/manuels-techniques\\\/calcul-du-cisaillement-des-noeuds-poutre-poteau-ec8\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Accueil\",\"item\":\"https:\\\/\\\/protasoftware.com\\\/fr\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Calcul du cisaillement des n\u0153uds poutre-poteau (EC8)\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/protasoftware.com\\\/fr\\\/#website\",\"url\":\"https:\\\/\\\/protasoftware.com\\\/fr\\\/\",\"name\":\"Prota Software\",\"description\":\"\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/protasoftware.com\\\/fr\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"fr-FR\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Cisaillement des n\u0153uds poutre-poteau EC8 : calculs","description":"D\u00e9couvrez comment ProtaStructure \u00e9value le calcul du cisaillement des n\u0153uds poutre-poteau selon l'EC8. Les calculs en zones sismiques expliqu\u00e9s.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/protasoftware.com\/fr\/support\/manuels-techniques\/calcul-du-cisaillement-des-noeuds-poutre-poteau-ec8\/","og_locale":"fr_FR","og_type":"article","og_title":"Prota Software","og_description":"D\u00e9couvrez comment ProtaStructure \u00e9value le calcul du cisaillement des n\u0153uds poutre-poteau selon l'EC8. Les calculs en zones sismiques expliqu\u00e9s.","og_url":"https:\/\/protasoftware.com\/fr\/support\/manuels-techniques\/calcul-du-cisaillement-des-noeuds-poutre-poteau-ec8\/","og_site_name":"Prota Software","og_image":[{"width":1200,"height":630,"url":"https:\/\/protasoftware.com\/fr\/wp-content\/uploads\/sites\/5\/2026\/09\/prota-og-default-fr.png","type":"image\/png"}],"twitter_card":"summary_large_image","twitter_title":"Prota Software","twitter_misc":{"Dur\u00e9e de lecture estim\u00e9e":"2 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/protasoftware.com\/fr\/support\/manuels-techniques\/calcul-du-cisaillement-des-noeuds-poutre-poteau-ec8\/","url":"https:\/\/protasoftware.com\/fr\/support\/manuels-techniques\/calcul-du-cisaillement-des-noeuds-poutre-poteau-ec8\/","name":"Cisaillement des n\u0153uds poutre-poteau EC8 : calculs","isPartOf":{"@id":"https:\/\/protasoftware.com\/fr\/#website"},"datePublished":"2020-04-07T20:54:39+00:00","description":"D\u00e9couvrez comment ProtaStructure \u00e9value le calcul du cisaillement des n\u0153uds poutre-poteau selon l'EC8. Les calculs en zones sismiques expliqu\u00e9s.","breadcrumb":{"@id":"https:\/\/protasoftware.com\/fr\/support\/manuels-techniques\/calcul-du-cisaillement-des-noeuds-poutre-poteau-ec8\/#breadcrumb"},"inLanguage":"fr-FR","potentialAction":[{"@type":"ReadAction","target":["https:\/\/protasoftware.com\/fr\/support\/manuels-techniques\/calcul-du-cisaillement-des-noeuds-poutre-poteau-ec8\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/protasoftware.com\/fr\/support\/manuels-techniques\/calcul-du-cisaillement-des-noeuds-poutre-poteau-ec8\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Accueil","item":"https:\/\/protasoftware.com\/fr\/"},{"@type":"ListItem","position":2,"name":"Calcul du cisaillement des n\u0153uds poutre-poteau (EC8)"}]},{"@type":"WebSite","@id":"https:\/\/protasoftware.com\/fr\/#website","url":"https:\/\/protasoftware.com\/fr\/","name":"Prota Software","description":"","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/protasoftware.com\/fr\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"fr-FR"}]}},"_links":{"self":[{"href":"https:\/\/protasoftware.com\/fr\/wp-json\/wp\/v2\/wiki\/2392","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/protasoftware.com\/fr\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/protasoftware.com\/fr\/wp-json\/wp\/v2\/types\/wiki"}],"author":[{"embeddable":true,"href":"https:\/\/protasoftware.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"version-history":[{"count":0,"href":"https:\/\/protasoftware.com\/fr\/wp-json\/wp\/v2\/wiki\/2392\/revisions"}],"wp:attachment":[{"href":"https:\/\/protasoftware.com\/fr\/wp-json\/wp\/v2\/media?parent=2392"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/protasoftware.com\/fr\/wp-json\/wp\/v2\/categories?post=2392"},{"taxonomy":"whitepaper_topic","embeddable":true,"href":"https:\/\/protasoftware.com\/fr\/wp-json\/wp\/v2\/whitepaper_topic?post=2392"},{"taxonomy":"whitepaper_product","embeddable":true,"href":"https:\/\/protasoftware.com\/fr\/wp-json\/wp\/v2\/whitepaper_product?post=2392"},{"taxonomy":"whitepaper_type","embeddable":true,"href":"https:\/\/protasoftware.com\/fr\/wp-json\/wp\/v2\/whitepaper_type?post=2392"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}