{"id":2313,"date":"2026-04-27T13:00:31","date_gmt":"2026-04-27T13:00:31","guid":{"rendered":"https:\/\/protasoftware.com\/fr\/wiki\/comment-modeliser-une-poutre-inclinee\/"},"modified":"2026-04-27T13:00:31","modified_gmt":"2026-04-27T13:00:31","slug":"comment-modeliser-une-poutre-inclinee","status":"publish","type":"wiki","link":"https:\/\/protasoftware.com\/fr\/support\/manuels-techniques\/comment-modeliser-une-poutre-inclinee\/","title":{"rendered":"Comment mod\u00e9liser une poutre inclin\u00e9e"},"content":{"rendered":"<div>\n<p><span class=\"colour\">Lorsqu&rsquo;une poutre est mod\u00e9lis\u00e9e, elle est cr\u00e9\u00e9e par d\u00e9faut horizontalement en haut de l&rsquo;\u00e9tage actif dans la vue. &nbsp;<\/span><\/p>\n<p><span class=\"colour\">L&rsquo;altitude de la poutre peut \u00eatre modifi\u00e9e \u00e0 l&rsquo;aide des cases <\/span><b><span class=\"colour\">del z<\/span><\/b><span class=\"colour\"> pour chaque extr\u00e9mit\u00e9 de la poutre, dans l&rsquo;onglet <\/span><strong><span class=\"colour\">Propri\u00e9t\u00e9s de la poutre<\/span><\/strong><span class=\"colour\"> &gt; <\/span><strong><span class=\"colour\">3D <\/span><\/strong><span class=\"colour\">.<\/span><\/p>\n<h2 class=\"toc_anchors\" id=\"Method_1__Input_delZ_manually_in_Beam_Properties\"><span class=\"colour\">M\u00e9thode 1 : saisir delZ manuellement dans les propri\u00e9t\u00e9s de la poutre<\/span><br \/><\/h2>\n<p><span class=\"colour\">Dans le mod\u00e8le de table ci-dessous, lorsqu&rsquo;une poutre est cr\u00e9\u00e9e, <\/span><strong><span class=\"colour\">delZ \u2013 I<\/span><\/strong><span class=\"colour\"> (extr\u00e9mit\u00e9 gauche) et <\/span><strong><span class=\"colour\">delZ -J<\/span><\/strong><span class=\"colour\"><br \/>\n (extr\u00e9mit\u00e9 droite) valent 0 par d\u00e9faut. Le dessus de la poutre est donc dans le m\u00eame<br \/>\n plan horizontal que le dessus de l&rsquo;\u00e9tage (qui est aussi le dessus de dalle par d\u00e9faut).<\/span><\/p>\n<p><img decoding=\"async\" data-zdeskdocselectedclass=\"\" data-zdeskdocid=\"img_6057924925928178\" class=\"docsimage\" style=\"padding: 0px;max-width: 100%;width: 741px;height: auto\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/09\/hc-e6a264ae8c48.png\" \/><\/p>\n<p><span class=\"colour\">Une valeur positive de <\/span><strong><span class=\"colour\">delZ<\/span><\/strong><span class=\"colour\"> rel\u00e8ve l&rsquo;extr\u00e9mit\u00e9 de la poutre, une valeur n\u00e9gative l&rsquo;abaisse. &nbsp;<\/span><\/p>\n<p><span class=\"colour\">Par<br \/>\n exemple, si delZ- I = 500 et del Z -J = -1000, l&rsquo;extr\u00e9mit\u00e9 gauche est<br \/>\n relev\u00e9e de 500 mm et l&rsquo;extr\u00e9mit\u00e9 droite est abaiss\u00e9e de 1000 mm.<\/span><\/p>\n<div><img decoding=\"async\" data-zdeskdocselectedclass=\"\" data-zdeskdocid=\"img_5231615857239524\" class=\"docsimage\" style=\"padding: 0px;max-width: 100%;width: 744px;height: auto\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/09\/hc-c5eb523f18cb.png\" \/><\/div>\n<p><span class=\"colour\">En<br \/>\n observant le mod\u00e8le physique 3D, il n&rsquo;est pas \u00e9vident de voir si l&rsquo;extr\u00e9mit\u00e9 gauche de<br \/>\n la poutre est encore reli\u00e9e au poteau. La seule fa\u00e7on de v\u00e9rifier la<br \/>\n connectivit\u00e9 des \u00e9l\u00e9ments est de lancer <\/span><strong><span class=\"colour\">Building Analysis<\/span><\/strong><span class=\"colour\">, puis d&rsquo;aller dans <\/span><strong><span class=\"colour\"><a href=\"https:\/\/support.protasoftware.com\/portal\/en\/kb\/articles\/post-analysis-ps-2022#Display_Analytical_Model\" target=\"_blank\" rel=\"noopener noreferrer\">Analytical Model<\/a>&nbsp;<\/span><\/strong><span class=\"colour\">pour examiner le mod\u00e8le analytique (voir ci-dessous).<\/span><\/p>\n<p><img decoding=\"async\" style=\"padding: 0px;max-width: 100%\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/09\/hc-42cb5c2c1dae.png\" \/><\/p>\n<p><span class=\"colour\">Comme montr\u00e9 ci-dessus, l&rsquo;analyse a automatiquement prolong\u00e9 la hauteur du poteau en cr\u00e9ant un<\/span><strong><span class=\"colour\"> <\/span><span class=\"colour\">lien rigide<\/span><span class=\"colour\"> <\/span><\/strong><span class=\"colour\">(ligne<br \/>\n bleu fonc\u00e9). Ceci s&rsquo;explique par le fait que la hauteur de la poutre est de 500 mm<br \/>\n et que l&rsquo;extr\u00e9mit\u00e9 de la poutre est relev\u00e9e de 500 mm : le dessous de l&rsquo;extr\u00e9mit\u00e9 de<br \/>\n la poutre rejoint donc toujours techniquement le dessus du poteau. L&rsquo;analyse a ainsi<br \/>\n cr\u00e9\u00e9 intelligemment ce lien rigide pour connecter le poteau et la poutre.<\/span><\/p>\n<p><span class=\"colour\">En cas de doute, vous pouvez aussi relever le dessus du poteau de la m\u00eame valeur, \u00e0 l&rsquo;aide de la case <\/span><strong><span class=\"colour\">delZ \u2013 top<\/span><\/strong><span class=\"colour\"> dans les propri\u00e9t\u00e9s du poteau (voir ci-dessous).<\/span><\/p>\n<p><img decoding=\"async\" data-zdeskdocselectedclass=\"best\" data-zdeskdocid=\"img_14311224996545646\" class=\"docsimage\" style=\"padding: 0px;max-width: 100%;width: 520px;height: auto\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/09\/hc-fbad478ef367.png\" \/><\/p>\n<h2 class=\"toc_anchors\" id=\"Method_2__Using_insertion_points_in_the_3D_view\"><span class=\"colour\">M\u00e9thode 2 : utiliser les points d&rsquo;insertion dans la vue 3D <br \/><\/span><\/h2>\n<p><span class=\"colour\">Il est aussi possible de cr\u00e9er une poutre inclin\u00e9e en cliquant sur les points intelligents le long du poteau, dans la vue 3D :<br \/><\/span><\/p>\n<ol>\n<li><span class=\"colour\">Avec les propri\u00e9t\u00e9s de la poutre ouvertes, survolez le poteau avec le curseur.<\/span><\/li>\n<li><span class=\"colour\">S\u00e9lectionnez \/ saisissez la 1<\/span><sup><span class=\"colour\">re<\/span><\/sup><span class=\"colour\"> extr\u00e9mit\u00e9 de la poutre par l&rsquo;une de ces m\u00e9thodes<\/span><\/li>\n<\/ol>\n<ul>\n<li><span class=\"colour\">Des points d&rsquo;insertion (points intelligents rouges) apparaissent \u00e0 <\/span><b><span class=\"colour\">0L, 0,25L, 0,33L, 0,5L, 0,66L, 0,75L et 1,0L<\/span><\/b><\/li>\n<li><span class=\"colour\">Maintenez <\/span><strong><span class=\"colour\">CTRL<\/span><\/strong><span class=\"colour\"> enfonc\u00e9 et les points d&rsquo;insertion deviennent disponibles avec un pas de&nbsp;100 mm (r\u00e9glable dans <\/span><b><span class=\"colour\">Settings<\/span><\/b><span class=\"colour\">&gt; <\/span><a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/support.protasoftware.com\/portal\/kb\/articles\/general-settings\"><span class=\"colour\">General Settings<\/span><\/a><span class=\"colour\">).&nbsp;&nbsp;<\/span><\/li>\n<li><span class=\"colour\">Appuyez sur<\/span><strong><span class=\"colour\"> F2<\/span><\/strong><span class=\"colour\"><br \/>\n pendant qu&rsquo;un point d&rsquo;insertion est visible pour saisir manuellement<br \/>\n la distance exacte depuis le dessus du poteau &gt; <\/span><b><span class=\"colour\">Input value<\/span><\/b><span class=\"colour\"> &gt;<br \/>\nappuyez sur <\/span><strong><span class=\"colour\">ENTER<\/span><\/strong><\/li>\n<\/ul>\n<ol start=\"3\">\n<li><span class=\"colour\">S\u00e9lectionnez \/ saisissez la 2<\/span><sup><span class=\"colour\">e<\/span><\/sup><span class=\"colour\"> extr\u00e9mit\u00e9 de la poutre&nbsp; (voir l&rsquo;exemple ci-dessous)<\/span><\/li>\n<\/ol>\n<p><img decoding=\"async\" data-zdeskdocselectedclass=\"\" data-zdeskdocid=\"img_37925555314578485\" class=\"docsimage currimg\" style=\"padding: 0px;max-width: 100%;width: 650px;height: auto\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/09\/hc-5c8a59464f50.gif\" \/><\/p>\n<h2 class=\"toc_anchors\" id=\"Method_3__Using_Plane_function\"><span class=\"colour\">M\u00e9thode 3 : utiliser la fonction Plane <\/span><span class=\"colour\"><br \/><\/span><\/h2>\n<p><span class=\"colour\">Cette<br \/>\n m\u00e9thode permet de mod\u00e9liser des poutres inclin\u00e9es qui supportent des dalles. Avec la fonction plane, l&rsquo;altitude de tous les \u00e9l\u00e9ments peut \u00eatre<br \/>\n forc\u00e9e \u00e0 s&rsquo;aligner sur le plan.<\/span><span class=\"colour\"><br \/><\/span><\/p>\n<p><span class=\"colour\">Cette m\u00e9thode doit \u00eatre utilis\u00e9e pour mod\u00e9liser une dalle inclin\u00e9e. Reportez-vous \u00e0 cet article :<\/span> <span style=\"font-size: 11pt\"><a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/support.protasoftware.com\/portal\/kb\/articles\/how-to-model-inclined-sloping-slab\">How to model inclined \/ sloping slab<\/a><span>&nbsp; <\/span><\/span><\/p>\n<\/div>\n<div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Lorsqu&rsquo;une poutre est mod\u00e9lis\u00e9e, elle est cr\u00e9\u00e9e par d\u00e9faut horizontalement en haut de l&rsquo;\u00e9tage actif dans la vue. &nbsp; L&rsquo;altitude de la poutre peut \u00eatre&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":[48],"whitepaper_topic":[],"whitepaper_product":[],"whitepaper_type":[],"class_list":["post-2313","wiki","type-wiki","status-publish","hentry","category-structural-modelling"],"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>Comment mod\u00e9liser une poutre inclin\u00e9e<\/title>\n<meta name=\"description\" content=\"Ce guide explique comment mod\u00e9liser une poutre inclin\u00e9e dans ProtaStructure, avec les \u00e9tapes de calcul et les points de v\u00e9rification essentiels.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link 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