{"id":2002,"date":"2026-04-27T11:40:49","date_gmt":"2026-04-27T11:40:49","guid":{"rendered":"https:\/\/protasoftware.com\/fr\/wiki\/principes-generaux-du-calcul-des-poutres-mixtes\/"},"modified":"2026-04-27T11:40:49","modified_gmt":"2026-04-27T11:40:49","slug":"principes-generaux-du-calcul-des-poutres-mixtes","status":"publish","type":"wiki","link":"https:\/\/protasoftware.com\/fr\/support\/manuels-techniques\/principes-generaux-du-calcul-des-poutres-mixtes\/","title":{"rendered":"Principes g\u00e9n\u00e9raux du calcul des poutres mixtes"},"content":{"rendered":"<div><span class=\"colour\">ProtaStructure prend en charge le calcul avanc\u00e9 des poutres et dalles mixtes.&nbsp;&nbsp;<\/span><span class=\"colour\"><span class=\"colour\">Voici la vue d&rsquo;ensemble de la mod\u00e9lisation, de l&rsquo;analyse et du calcul des dalles mixtes :<\/span><\/span><\/div>\n<blockquote class=\"zde_indent\"><p><span class=\"fontstyle0\"><span class=\"colour\">1. Les bacs acier se choisissent dans la Biblioth\u00e8que de bacs acier.<\/span><span class=\"colour\"><br \/><\/span><span class=\"colour\">2. Les goujons connecteurs se d\u00e9finissent dans la Biblioth\u00e8que de goujons.<\/span><span class=\"colour\"><br \/><\/span><span class=\"colour\">3. Les poutres mixtes principales et secondaires se mod\u00e9lisent librement, pour toute disposition&nbsp;structurelle.<\/span><span class=\"colour\"><br \/><\/span><span class=\"colour\">4. La dalle mixte s&rsquo;ins\u00e8re sur les poutres principales et secondaires selon des m\u00e9thodes&nbsp;souples.<\/span><span class=\"colour\"><br \/><\/span><span class=\"colour\">5. Les largeurs efficaces des poutres mixtes sont calcul\u00e9es automatiquement. La r\u00e9partition des charges&nbsp;l&rsquo;est aussi.<\/span><span class=\"colour\"><br \/><\/span><span class=\"colour\">6. Les caract\u00e9ristiques de la section homog\u00e9n\u00e9is\u00e9e sont calcul\u00e9es automatiquement.<\/span><span class=\"colour\"><br \/><\/span><span class=\"colour\">7. L&rsquo;analyse de la Phase de construction et celle de la Phase mixte finale sont r\u00e9alis\u00e9es automatiquement. Elles prennent en compte les charges d&rsquo;exploitation de construction, les charges d&rsquo;exploitation finales, les charges permanentes, etc.&nbsp;Ces analyses int\u00e8grent automatiquement les propri\u00e9t\u00e9s m\u00e9caniques et les conditions d&rsquo;appui&nbsp;diff\u00e9rentes.<\/span><span class=\"colour\"><br \/><\/span><span class=\"colour\">8. Les v\u00e9rifications du profil\u00e9 acier et de la fl\u00e8che sont effectu\u00e9es en phase de construction.<\/span><span class=\"colour\"><br \/><\/span><span class=\"colour\">9. Le calcul mixte s&rsquo;appuie sur un Taux d&rsquo;action mixte par d\u00e9faut. Vous pouvez modifier&nbsp;ce taux et optimiser votre calcul.<\/span><\/span><span class=\"colour\"><br \/><\/span><span class=\"fontstyle0\"><span class=\"colour\">10. Une disposition de goujons uniforme ou segment\u00e9e est possible selon le diagramme des moments de&nbsp;l&rsquo;\u00e9l\u00e9ment. Vous gardez la ma\u00eetrise compl\u00e8te des goujons calcul\u00e9s.<\/span><span class=\"colour\"><br \/><\/span><span class=\"colour\">11. Les v\u00e9rifications portent sur le treillis soud\u00e9 plac\u00e9 dans le b\u00e9ton de la table de compression.<\/span><span class=\"colour\"><br \/><\/span><span class=\"colour\">12. Les v\u00e9rifications finales de fl\u00e8che et de vibration sont effectu\u00e9es.<\/span><span class=\"colour\"><br \/><\/span><span class=\"colour\">13. Les normes AISC360, Eurocode 4 et turques de calcul de l&rsquo;acier sont actuellement prises en charge.<\/span><span class=\"colour\"><br \/><\/span><span class=\"colour\">14. Les sections et la disposition des poutres mixtes se modifient et s&rsquo;optimisent facilement.<\/span><\/span><\/p><\/blockquote>\n<div><span class=\"colour\"><br \/><\/span><span class=\"colour\"><span class=\"colour\">Ce guide de calcul d\u00e9crit les \u00e9tapes d\u00e9taill\u00e9es, les consid\u00e9rations et le p\u00e9rim\u00e8tre de cette fonctionnalit\u00e9.&nbsp;<\/span><\/span><\/div>\n<div><span class=\"colour\"><span class=\"colour\">\u200b<\/span><\/span><\/div>\n<div><span class=\"KB_New_Editor_Highlights\" style=\"margin: 10px 0px;position: relative;padding: 10px 10px 10px 40px\"><img decoding=\"async\" alt=\"Notes\" data-image=\"contentStyle\" style=\"position: absolute;left: 12px;top: 14px;width: 15px\" data-type=\"non-resize\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-a1382a1ce19da5cc349fe3dbd87e86fb.png\"><\/p>\n<div><span class=\"colour\">Il vous sera aussi utile de regarder ces vid\u00e9os :&nbsp;<\/span><\/div>\n<div><a target=\"_blank\" href=\"https:\/\/support.protasoftware.com\/portal\/en\/kb\/articles\/how-to-model-composite-beams-slabs-with-protastructure\" rel=\"noopener noreferrer\">Comment mod\u00e9liser des poutres et dalles mixtes avec ProtaStructure<\/a><\/div>\n<div><span class=\"colour\"><a target=\"_blank\" href=\"https:\/\/support.protasoftware.com\/portal\/en\/kb\/articles\/how-to-analyze-design-composite-beams-slabs\" rel=\"noopener noreferrer\">Comment analyser et calculer des poutres et dalles mixtes avec ProtaStructure&nbsp;<\/a>&nbsp;<\/span><\/div>\n<p><\/span><\/div>\n<div><\/div>\n<div><\/div>\n<p><strong>T\u00e9l\u00e9chargements<\/strong><\/p>\n<ul>\n<li><a href=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/09\/ProtaStructure-Design-Guide-Composite-Beam-Design-General-Principles.pdf\" target=\"_blank\" rel=\"noopener noreferrer\">ProtaStructure &#8211; Guide de calcul &#8211; Principes g\u00e9n\u00e9raux du calcul des poutres mixtes<\/a> (1,7 Mo)<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>ProtaStructure prend en charge le calcul avanc\u00e9 des poutres et dalles mixtes.&nbsp;&nbsp;Voici la vue d&rsquo;ensemble de la mod\u00e9lisation, de l&rsquo;analyse et du calcul des dalles&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":[54],"whitepaper_topic":[],"whitepaper_product":[],"whitepaper_type":[],"class_list":["post-2002","wiki","type-wiki","status-publish","hentry","category-protastructure-design-guides"],"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>Principes g\u00e9n\u00e9raux du calcul des poutres mixtes<\/title>\n<meta name=\"description\" content=\"D\u00e9couvrez les principes 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