{"id":2326,"date":"2026-04-27T13:06:35","date_gmt":"2026-04-27T13:06:35","guid":{"rendered":"https:\/\/protasoftware.com\/fr\/wiki\/comment-modeliser-une-poutre-de-transfert\/"},"modified":"2026-04-27T13:06:35","modified_gmt":"2026-04-27T13:06:35","slug":"comment-modeliser-une-poutre-de-transfert","status":"publish","type":"wiki","link":"https:\/\/protasoftware.com\/fr\/support\/manuels-techniques\/comment-modeliser-une-poutre-de-transfert\/","title":{"rendered":"Comment mod\u00e9liser une poutre de transfert"},"content":{"rendered":"<div>\n<p style=\"margin: 0px 0px 10px;padding: 0px;line-height: 20px\"><span style=\"font-size: 14px\" class=\"size\"><span class=\"colour\">A<\/span><span style=\"font-size: 16px\" class=\"size\"><span class=\"colour\">vant de proc\u00e9der \u00e0 la mod\u00e9lisation de la poutre de transfert, il est important de comprendre comment le mod\u00e8le physique se traduit en mod\u00e8le analytique lorsque l&rsquo;analyse du b\u00e2timent est effectu\u00e9e.<\/span><\/span><\/span><span class=\"colour\"><br \/><\/span><\/p>\n<ul style=\"margin: 0px auto 10px;padding: 6px 0px 6px 40px;font-size: 14px\">\n<li style=\"margin: 0px;padding: 6px 0px;line-height: 1.7\"><span style=\"font-size: 16px\" class=\"size\"><span class=\"colour\">Le mod\u00e8le physique est ce que vous voyez \u00e0 l&rsquo;\u00e9cran de mod\u00e9lisation, o\u00f9 tous les \u00e9l\u00e9ments sont repr\u00e9sent\u00e9s en 3D selon leurs dimensions r\u00e9elles<\/span><\/span><span class=\"colour\"><br \/><\/span><\/li>\n<li style=\"margin: 0px;padding: 6px 0px;line-height: 1.7\">\n<div><span style=\"font-size: 16px\" class=\"size\"><span class=\"colour\">Le mod\u00e8le analytique est un mod\u00e8le filaire cr\u00e9\u00e9 par le solveur, qui est en r\u00e9alit\u00e9 ce qui est finalement analys\u00e9. <\/span><\/span><span class=\"colour\"> <\/span><span class=\"colour\"><br \/><\/span><\/div>\n<\/li>\n<li style=\"margin: 0px;padding: 6px 0px;line-height: 1.7\">\n<div><span style=\"font-size: 16px\" class=\"size\"><span class=\"colour\">Le mod\u00e8le analytique peut \u00eatre affich\u00e9 en cliquant sur <\/span><a href=\"https:\/\/support.protasoftware.com\/portal\/en\/kb\/articles\/post-analysis-ps-2022\" target=\"_blank\" rel=\"noopener noreferrer\"><span class=\"colour\">Mod\u00e8le analytique<\/span><\/a><span class=\"colour\">&nbsp;dans&nbsp;l&rsquo;onglet Analyse.&nbsp;<\/span><\/span><span class=\"colour\"><br \/><\/span><\/div>\n<\/li>\n<\/ul>\n<div>\n<div>\n<div><span style=\"margin: 10px 0px;position: relative;padding: 10px 10px 10px 40px\" class=\"KB_New_Editor_Highlights\"><img decoding=\"async\" alt=\"\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-f8e00bb1a621e4bfa5f7306e23790d68.png\" data-type=\"non-resize\" style=\"position: absolute;left: 12px;top: 14px;width: 15px;max-width: 100%\" data-image=\"contentStyle\" \/><\/p>\n<div><span class=\"colour\"><b>Ne pas <\/b>utiliser l&rsquo;Analyse de Descente de Charges par Plancher (EF) pour l&rsquo;analyse et le dimensionnement de la poutre de transfert, car cela d\u00e9passe le champ d&rsquo;application de l&rsquo;Analyse de Plancher (EF). Toujours ex\u00e9cuter l&rsquo;Analyse du B\u00e2timent.&nbsp;<\/span><\/div>\n<div><span class=\"colour\">Pour plus d&rsquo;explications, reportez-vous \u00e0 :&nbsp;&nbsp;<a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/support.protasoftware.com\/portal\/en\/kb\/articles\/article-7-10-2020\">Organigramme de Mod\u00e9lisation, Analyse et Dimensionnement<\/a><\/span><span class=\"colour\"><\/span><\/div>\n<p><\/span><\/div>\n<div><\/div>\n<\/div>\n<h1 class=\"toc_anchors\" id=\"Physical_Model_Versus_Analytical_Model\"><span class=\"colour\">Mod\u00e8le physique versus mod\u00e8le analytique<br \/><\/span><\/h1>\n<\/div>\n<p style=\"margin: 0px 0px 10px;padding: 0px;line-height: 20px\"><span style=\"font-size: 14px\" class=\"size\"><span style=\"font-size: 16px\" class=\"size\"><span class=\"colour\">Dans ProtaStructure, nous pouvons visualiser tous les \u00e9l\u00e9ments comme un mod\u00e8le filaire \u00e0 ligne unique, cr\u00e9\u00e9 le long de l&rsquo;axe ou de l&rsquo;intersection des axes :<\/span><\/span><\/span><span class=\"colour\"><br \/><\/span><\/p>\n<ul style=\"margin: 0px auto 10px;padding: 6px 0px 6px 40px;font-size: 14px\">\n<li style=\"margin: 0px;padding: 6px 0px;line-height: 1.7\"><span style=\"font-size: 16px\" class=\"size\"><span class=\"colour\">Un poteau est repr\u00e9sent\u00e9 par une seule ligne filaire \u00e0 l&rsquo;intersection de 2 axes.<\/span><\/span><\/li>\n<\/ul>\n<p style=\"margin: 0px 0px 10px;padding: 0px;line-height: 20px\"><span class=\"colour\"><span style=\"font-size: 14px\" class=\"size\"><\/span><\/span><img decoding=\"async\" data-zdeskdocselectedclass=\"best\" data-zdeskdocid=\"img_08721493769719313\" class=\"docsimage\" style=\"padding: 0px;max-width: 100%;width: 254px;height: auto\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/09\/hc-4bf9686677b1.png\" \/><img decoding=\"async\" data-zdeskdocselectedclass=\"best\" data-zdeskdocid=\"img_8367977683444938\" class=\"docsimage\" style=\"padding: 0px;max-width: 100%;width: 347px;height: auto\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/09\/hc-b3ea2e02c3d4.png\" \/><\/p>\n<p style=\"margin: 0px 0px 10px;padding: 0px;line-height: 20px\"><span class=\"colour\"><span style=\"font-size: 14px\" class=\"size\"><span><b>&nbsp;&nbsp;&nbsp;&nbsp;<\/b><span style=\"font-size: 16px\" class=\"size\"><b>&nbsp;&nbsp;<\/b><i>&nbsp; &nbsp;<\/i><\/span><\/span><\/span><\/span>&nbsp; &nbsp; &nbsp;<span class=\"colour\">&nbsp;<\/span><i style=\"font-size: 16px\"><b><span class=\"colour\">Mod\u00e8le physique&nbsp;<\/span><\/b><span class=\"colour\"> &nbsp; &nbsp; &nbsp; &nbsp;<\/span><\/i><b style=\"font-size: 16px\"><span class=\"colour\">&nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp;<\/span><\/b><i style=\"font-size: 16px\"><span class=\"colour\">&nbsp; &nbsp; &nbsp; &nbsp; <\/span><b><span class=\"colour\">Mod\u00e8le analytique<\/span><\/b><\/i><\/p>\n<p style=\"margin: 0px 0px 10px;padding: 0px;line-height: 20px\"><span class=\"colour\"><span style=\"font-size: 14px\" class=\"size\">&nbsp;<\/span><\/span><\/p>\n<ul style=\"margin: 0px auto 10px;padding: 6px 0px 6px 40px;font-size: 14px\">\n<li style=\"margin: 0px;padding: 6px 0px;line-height: 1.7\"><span style=\"font-size: 16px\" class=\"size\"><span class=\"colour\">Une poutre est une seule ligne filaire le long de l&rsquo;axe d&rsquo;insertion.&nbsp;Pour que le poteau et la poutre se connectent correctement, ils doivent se rejoindre exactement \u00e0 l&rsquo;intersection des axes.<\/span><\/span><\/li>\n<\/ul>\n<p style=\"margin: 0px 0px 10px;padding: 0px;line-height: 20px\"><span class=\"colour\"><span style=\"font-size: 14px\" class=\"size\"><\/span><\/span><b><img decoding=\"async\" data-zdeskdocselectedclass=\"best\" data-zdeskdocid=\"img_03528228388220622\" class=\"docsimage\" style=\"padding: 0px;max-width: 100%;width: 259.5px;height: auto\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/09\/hc-871617f932f2.png\" \/><img decoding=\"async\" data-zdeskdocselectedclass=\"\" data-zdeskdocid=\"img_45351880379621545\" class=\"docsimage\" style=\"padding: 0px;max-width: 100%;width: 258.511px;height: auto\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/09\/hc-391622161ad7.png\" \/><\/b><\/p>\n<p style=\"margin: 0px 0px 10px;padding: 0px;line-height: 20px\"><span style=\"font-size: 14px\" class=\"size\"><span><span style=\"font-size: 16px\" class=\"size\"><b><span class=\"colour\">&nbsp;&nbsp; &nbsp;&nbsp;<\/span><\/b><i><span class=\"colour\">&nbsp;<\/span><b><span class=\"colour\">Mod\u00e8le physique&nbsp;<\/span><\/b><\/i><b><span class=\"colour\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><\/b><i><span class=\"colour\">&nbsp; &nbsp; &nbsp; &nbsp; <\/span><b><span class=\"colour\">Mod\u00e8le analytique<\/span><\/b><\/i><\/span><\/span><\/span><\/p>\n<p style=\"margin: 0px 0px 10px;padding: 0px;line-height: 20px\"><\/p>\n<div>\n<h1 class=\"toc_anchors\" id=\"Transfer_Beam_Supporting_Discontinuous_Column\"><span class=\"colour\">Poutre de transfert supportant un poteau discontinu<br \/><\/span><\/h1>\n<\/div>\n<p style=\"margin: 0px 0px 10px;padding: 0px;line-height: 20px\"><span style=\"font-size: 16px\" class=\"size\"><span class=\"colour\">Lors de la mod\u00e9lisation d&rsquo;un poteau discontinu support\u00e9 par une poutre de transfert, le poteau doit utiliser le m\u00eame axe longitudinal que la poutre \u00e0 supporter.&nbsp; Dans l&rsquo;exemple ci-dessous :<\/span><\/span><\/p>\n<div><img decoding=\"async\" style=\"border: 0px none;max-width: 100%;cursor: pointer;padding: 0px;width: 925px;height: auto\" data-zdeskdocselectedclass=\"\" data-zdeskdocid=\"img_8443703029857808\" class=\"docsimage\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/09\/hc-2d688ef6de1a.png\" \/><\/div>\n<div><\/div>\n<ol>\n<li style=\"list-style-type: square\"><span><span class=\"colour\">La poutre de transfert est mod\u00e9lis\u00e9e avec l&rsquo;axe 1<\/span><\/span><span class=\"colour\"><br \/><\/span><\/li>\n<li style=\"list-style-type: square\"><span><span class=\"colour\">Le poteau sup\u00e9rieur est ins\u00e9r\u00e9 \u00e0 l&rsquo;intersection des axes 1 et C<\/span><\/span><span class=\"colour\"><br \/><\/span><\/li>\n<li style=\"list-style-type: square\"><span><span class=\"colour\">Le poteau inf\u00e9rieur est ins\u00e9r\u00e9 \u00e0 l&rsquo;intersection des axes 2 et D<\/span><\/span><\/li>\n<\/ol>\n<div>\n<div>\n<div><span class=\"KB_New_Editor_Highlights\" style=\"margin: 10px 0px;position: relative;padding: 10px 10px 10px 40px\"><img decoding=\"async\" alt=\"\" data-image=\"contentStyle\" style=\"position: absolute;left: 12px;top: 14px;width: 15px;max-width: 100%\" data-type=\"non-resize\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-e77b825529870e3777f25cd94fbef653.png\" \/><\/p>\n<div><span style=\"font-size: 16px\" class=\"size\"><span class=\"colour\">Lors de la visualisation de la vue en plan de l&rsquo;\u00e9tage de transfert, il est utile d&rsquo;activer &quot;<\/span><\/span><span><span style=\"font-size: 16px\" class=\"size\"><i><span class=\"colour\">Afficher les poteaux et voiles de transfert sur le plan<\/span><\/i><\/span><\/span><span style=\"font-size: 16px\" class=\"size\"><span class=\"colour\">&quot; via&nbsp;<\/span><\/span><span><span style=\"font-size: 16px\" class=\"size\"><i><span class=\"colour\">l&rsquo;Interrogation visuelle&nbsp;<\/span><\/i><\/span><\/span><span style=\"font-size: 16px\" class=\"size\"><span class=\"colour\">pour afficher les poteaux discontinus au-dessus de l&rsquo;\u00e9tage de transfert. Comme montr\u00e9 ci-dessus, les poteaux discontinus apparaissent dans une couleur diff\u00e9rente (bleu) sur la vue en plan de ST01.<\/span><\/span><span class=\"colour\"><br \/><\/span><\/div>\n<div><span style=\"font-size: 16px\" class=\"size\"><span class=\"colour\">Pour plus d&rsquo;informations, reportez-vous \u00e0 :<\/span>&nbsp;&nbsp;<\/span><a href=\"https:\/\/support.protasoftware.com\/portal\/en\/kb\/articles\/how-do-show-transfer-discontinuous-columns-and-walls-on-plan-view\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"font-size: 13px\"><span style=\"font-size: 16px\" class=\"size\">Comment afficher les poteaux et voiles de transfert (discontinus) sur la vue en plan<\/span><\/a><\/div>\n<p><\/span><\/div>\n<div><span style=\"font-size: 16px\" class=\"size\"><span class=\"colour\">Apr\u00e8s l&rsquo;analyse, l&rsquo;<\/span><\/span><span style=\"font-size: 14px\" class=\"size\"><span style=\"font-size: 16px\" class=\"size\"><i><span class=\"colour\">Affichage des r\u00e9sultats du mod\u00e8le et de l&rsquo;analyse&nbsp;<\/span><\/i><\/span><\/span><span style=\"font-size: 16px\" class=\"size\"><span class=\"colour\">montre clairement que seul le poteau sup\u00e9rieur est support\u00e9, car il est ins\u00e9r\u00e9 selon le m\u00eame axe 1 que la poutre de transfert.<\/span><\/span><\/div>\n<\/div>\n<\/div>\n<p style=\"margin: 0px 0px 10px 40px;padding: 0px;line-height: 20px\"><span class=\"colour\"><span style=\"font-size: 14px\" class=\"size\"><img decoding=\"async\" data-zdeskdocselectedclass=\"best\" class=\"docsimage\" data-zdeskdocid=\"img_8817159772667473\" style=\"border: 0px none;max-width: 100%;cursor: pointer;padding: 0px;width: 185.5px;height: auto\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/09\/hc-2befd781f375.png\" \/><\/span><\/span><\/p>\n<div><span class=\"colour\"><span style=\"font-size: 16px\" class=\"size\">Pour r\u00e9soudre ce probl\u00e8me, il existe 2 solutions :&nbsp;<br \/><\/span><\/span><\/div>\n<\/div>\n<blockquote class=\"zde_indent\">\n<div>\n<div><span class=\"colour\"><span style=\"font-size: 16px\" class=\"size\">1.&nbsp; Marquez le poteau comme &quot;Membre de transfert&quot; dans les Propri\u00e9t\u00e9s du poteau, et des liaisons rigides seront automatiquement cr\u00e9\u00e9es durant l&rsquo;analyse afin de relier le bas du poteau \u00e0 la poutre de transfert.<br \/><\/span><\/span><\/div>\n<div><span class=\"colour\"><span style=\"font-size: 16px\" class=\"size\">2.&nbsp; Cr\u00e9ez manuellement une poutre &quot;fictive&quot; pour relier le bas du poteau \u00e0 la poutre de transfert (si la liaison rigide automatique ne fonctionne pas)<\/span><\/span><\/div>\n<\/div>\n<\/blockquote>\n<div>\n<h1 class=\"toc_anchors\" id=\"TransferColumns_with_auto_Rigid_Links\"><span class=\"colour\">Poteaux&nbsp;de transfert avec liaisons rigides automatiques<\/span><br \/><\/h1>\n<div><span class=\"colour\">Les poteaux et voiles discontinus doivent \u00eatre marqu\u00e9s comme &quot;<b>Membre de trans<\/b><b>fert<\/b>&quot; dans l&rsquo;onglet G\u00e9om\u00e9trie des Propri\u00e9t\u00e9s, pour les raisons suivantes :&nbsp;<\/span><\/div>\n<\/div>\n<ol>\n<li style=\"list-style-type: square\"><span style=\"font-size: 16px\" class=\"size\"><span class=\"colour\">Le&nbsp;calcul des poutres&nbsp;supportant&nbsp;ces&nbsp;\u00e9l\u00e9ments&nbsp;de transfert&nbsp;sera correct.&nbsp;<br \/><\/span><\/span><\/li>\n<li style=\"list-style-type: square\"><span style=\"font-size: 16px\" class=\"size\"><span class=\"colour\">Aucun message de discontinuit\u00e9 ne sera \u00e9mis pour les \u00e9l\u00e9ments de transfert marqu\u00e9s pendant l&rsquo;analyse.&nbsp;<br \/><\/span><\/span><\/li>\n<li style=\"list-style-type: square\"><span style=\"font-size: 16px\" class=\"size\"><span class=\"colour\">Par ailleurs,&nbsp;si des poteaux&nbsp;de transfert&nbsp;sont&nbsp;ins\u00e9r\u00e9s&nbsp;sur un axe diff\u00e9rent de celui utilis\u00e9 par la poutre de transfert, des liaisons rigides seront automatiquement cr\u00e9\u00e9es durant l&rsquo;analyse pour relier le bas du poteau \u00e0 la poutre de transfert.&nbsp;<\/span><\/span><\/li>\n<\/ol>\n<div>\n<div>\n<div><span style=\"font-size: 16px\" class=\"size\"><span class=\"colour\">Dans le mod\u00e8le d&rsquo;exemple ci-dessous, le poteau de transfert S1 utilise le m\u00eame axe d&rsquo;insertion 1 que la poutre.&nbsp; Le poteau de transfert S2 est ins\u00e9r\u00e9 avec un axe d\u00e9cal\u00e9 2.&nbsp;&nbsp;<\/span><\/span><\/div>\n<div><span style=\"font-size: 16px\" class=\"size\"><span class=\"colour\">Une comparaison est effectu\u00e9e entre l&rsquo;analyse r\u00e9alis\u00e9e avec &quot;Membre de transfert&quot; d\u00e9coch\u00e9, puis coch\u00e9 (comme indiqu\u00e9 ci-dessous).&nbsp;<\/span><\/span><\/div>\n<div><\/div>\n<div>\n<div class=\"target_moving\"><img decoding=\"async\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-27eab0895d5d493f5e7726e25ce79349.png\" style=\"padding: 0px;max-width: 100%;width: 698px;height: auto\" data-zdeskdocid=\"img_20182181148109635\" class=\"docsimage\" data-zdeskdocselectedclass=\"original\" \/><\/div>\n<div><span style=\"font-size: 16px\" class=\"size\"><span class=\"colour\">Apr\u00e8s l&rsquo;analyse, le<i>&nbsp;<\/i>Mod\u00e8le analytique<\/span><\/span><span style=\"font-size: 14px\" class=\"size\"><span style=\"font-size: 16px\" class=\"size\"><b><span class=\"colour\">&nbsp;<\/span><\/b><\/span><\/span><span style=\"font-size: 16px\" class=\"size\"><span class=\"colour\">montre clairement que le poteau inf\u00e9rieur S2 est d\u00e9sormais support\u00e9 par la poutre de transfert par l&rsquo;interm\u00e9diaire d&rsquo;une poutre rigide.&nbsp;&nbsp;<\/span><\/span><\/div>\n<\/div>\n<\/div>\n<div>\n<div><span class=\"KB_New_Editor_Highlights\" style=\"margin: 10px 0px;position: relative;padding: 10px 10px 10px 40px\"><img decoding=\"async\" alt=\"\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-f7d8f45b6ff98a1f3c20ccd878599982.png\" data-type=\"non-resize\" data-image=\"contentStyle\" style=\"position: absolute;left: 12px;top: 14px;width: 15px;max-width: 100%\" \/><span style=\"font-size: 16px\" class=\"size\"><span class=\"colour\">La poutre rigide est repr\u00e9sent\u00e9e<\/span>&nbsp;en&nbsp;<\/span><span class=\"colour\"><b><span style=\"font-size: 16px\" class=\"size\">bleu fonc\u00e9<\/span><\/b><\/span><span style=\"font-size: 16px\" class=\"size\">&nbsp;<span class=\"colour\">sous forme de ligne.&nbsp; Les efforts excentriques du poteau d\u00e9cal\u00e9 seront pris en compte, c&rsquo;est-\u00e0-dire qu&rsquo;il y aura une torsion suppl\u00e9mentaire sur la poutre de transfert en raison de ce d\u00e9calage.<\/span><\/span><\/span><\/div>\n<\/div>\n<h1 id=\"Support_Offset_Transfer_Column_with_Dummy_Beam\" class=\"toc_anchors\"><span class=\"colour\"><span style=\"font-size: 32px\" class=\"size\">Prise en charge d&rsquo;un poteau de transfert d\u00e9cal\u00e9 par une poutre fictive<\/span><\/span><br \/><\/h1>\n<div><span class=\"colour\">Il peut arriver, rarement, que la liaison rigide automatique ne soit pas cr\u00e9\u00e9e bien que &quot;Membre de transfert&quot; soit coch\u00e9 dans les propri\u00e9t\u00e9s du poteau.&nbsp;<\/span><\/div>\n<div><span class=\"colour\"><span style=\"font-size: 16px\" class=\"size\"><span class=\"colour\">Dans ce cas,&nbsp;<\/span><\/span><\/span><span class=\"colour\">une poutre fictive peut \u00eatre cr\u00e9\u00e9e pour relier l&rsquo;axe d&rsquo;insertion 1 de la poutre \u00e0 l&rsquo;axe d&rsquo;insertion 2 du poteau de transfert (comme indiqu\u00e9 ci-dessous) :&nbsp;&nbsp;<\/span><\/div>\n<div><\/div>\n<div><img decoding=\"async\" data-zdeskdocselectedclass=\"original\" class=\"docsimage\" data-zdeskdocid=\"img_5190671086977641\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/09\/hc-f5f46f18a699.png\" style=\"font-size: 20px;border: 0px none;max-width: 100%;cursor: pointer;padding: 0px;width: 981px;height: auto\" \/><\/div>\n<ol>\n<li style=\"list-style-type: square\"><span class=\"colour\">Cliquez sur l&rsquo;ic\u00f4ne \u00c9l\u00e9ment de poutre<\/span><span class=\"colour\"><br \/><\/span><\/li>\n<li style=\"list-style-type: square\"><span class=\"colour\">Reliez la poutre fictive entre l&rsquo;axe de la poutre&nbsp;de transfert et l&rsquo;axe d&rsquo;insertion du poteau discontinu<\/span><span class=\"colour\"><br \/><\/span><\/li>\n<li style=\"list-style-type: square\"><span class=\"colour\">Les poutres fictives peuvent avoir n&rsquo;importe quelle dimension et seront&nbsp;consid\u00e9r\u00e9es comme des liaisons rigides reliant la poutre de transfert au poteau discontinu excentr\u00e9.<\/span><\/li>\n<\/ol>\n<\/div>\n<div>\n<p style=\"margin: 0px 0px 10px;padding: 0px;line-height: 20px\"><span style=\"font-size: 16px\" class=\"size\"><span class=\"colour\">Apr\u00e8s l&rsquo;analyse, v\u00e9rifiez de nouveau le Mod\u00e8le analytique, qui montre&nbsp;que le poteau inf\u00e9rieur est d\u00e9sormais support\u00e9 par la poutre de transfert (par l&rsquo;interm\u00e9diaire d&rsquo;une poutre rigide) :<\/span><\/span><\/p>\n<h2 style=\"font-size: 20px;margin: 20px 0px 10px 40px;padding: 0px;font-weight: 500;line-height: 32px\">\n<div class=\"target_moving\" id=\"target_mov_img_0715854191295584\"><img decoding=\"async\" data-zdeskdocselectedclass=\"best\" data-zdeskdocid=\"img_0715854191295584\" class=\"docsimage\" style=\"border: 0px none;max-width: 100%;cursor: pointer;padding: 0px;width: 175.5px;height: auto\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/09\/hc-a2e7b2c0876a.png\" \/><\/div>\n<div><\/div>\n<\/h2>\n<div><span style=\"margin: 10px 0px;position: relative;padding: 10px 10px 10px 40px\" class=\"KB_New_Editor_Highlights\"><span style=\"font-size: 16px\" class=\"size\"><span class=\"colour\">La poutre rigide est repr\u00e9sent\u00e9e<\/span> en&nbsp;<\/span><span class=\"colour\"><b><span style=\"font-size: 16px\" class=\"size\">bleu fonc\u00e9<\/span><\/b><\/span><span style=\"font-size: 16px\" class=\"size\">&nbsp;<span class=\"colour\">sous forme de ligne.&nbsp; La poutre fictive est automatiquement convertie en poutre rigide car elle est enti\u00e8rement int\u00e9gr\u00e9e dans la poutre de transfert. Les efforts excentriques du poteau d\u00e9cal\u00e9 seront pris en compte, c&rsquo;est-\u00e0-dire qu&rsquo;il y aura une torsion suppl\u00e9mentaire sur la poutre de transfert en raison de ce d\u00e9calage.<\/span><\/span><\/span><\/div>\n<h1 id=\"Transfer_Beam_Supporting_Discontinuous_Wall\" class=\"toc_anchors\"><span class=\"colour\">Poutre de transfert supportant un voile discontinu<br \/><\/span><\/h1>\n<p style=\"margin: 0px 0px 10px;padding: 0px;line-height: 20px\"><span style=\"font-size: 14px\" class=\"size\"><span style=\"font-size: 16px\" class=\"size\"><span class=\"colour\">Un voile est un plan unique le long de l&rsquo;axe d&rsquo;insertion longitudinal.&nbsp;Pour qu&rsquo;un voile discontinu soit support\u00e9 par la poutre, la poutre et le voile doivent donc partager le m\u00eame axe longitudinal.&nbsp;<\/span><\/span><\/span><\/p>\n<div><span style=\"font-size: 14px\" class=\"size\"><span style=\"font-size: 16px\" class=\"size\"><span class=\"colour\">Pour un voile de transfert, les param\u00e8tres suivants doivent \u00eatre correctement s\u00e9lectionn\u00e9s dans Propri\u00e9t\u00e9s du voile &gt; onglet <b>G\u00e9om\u00e9trie <\/b>:&nbsp;<\/span><\/span><\/span><\/div>\n<\/div>\n<blockquote class=\"zde_indent\">\n<div>\n<div><span class=\"colour\">1.&nbsp; &quot;<b>Membre de transfert<\/b>&quot; doit \u00eatre coch\u00e9 (comme pour un poteau de transfert)<\/span><span class=\"colour\"><br \/><\/span><\/div>\n<div><span class=\"colour\">2.&nbsp; &quot;<b>Mod\u00e8le de coque EF<\/b>&quot; doit \u00eatre s\u00e9lectionn\u00e9 comme type d&rsquo;analyse du voile (au lieu de Pilier m\u00e9dian)<\/span><\/div>\n<\/div>\n<\/blockquote>\n<div>\n<div><span class=\"colour\">Nous utiliserons le mod\u00e8le d&rsquo;exemple ci-dessous pour illustrer la diff\u00e9rence entre les types d&rsquo;analyse de voile &quot;Mod\u00e8le de coque EF&quot; et &quot;Pilier m\u00e9dian&quot;.&nbsp;<\/span><\/div>\n<div><\/div>\n<p style=\"margin: 0px 0px 10px;padding: 0px;line-height: 20px\"><span class=\"colour\"><span style=\"font-size: 14px\" class=\"size\"><\/span><\/span><img decoding=\"async\" data-zdeskdocselectedclass=\"original\" data-zdeskdocid=\"img_06788086417539652\" class=\"docsimage\" style=\"padding: 0px;max-width: 100%;width: 624px;height: auto\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/09\/hc-f97b111c1167.png\" \/><\/p>\n<p style=\"margin: 0px 0px 10px;padding: 0px;line-height: 20px\"><span class=\"colour\"><span style=\"font-size: 14px\" class=\"size\"><span><b>&nbsp;&nbsp;<\/b><span style=\"font-size: 16px\" class=\"size\"><b>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/b><i>&nbsp; &nbsp; &nbsp;&nbsp;<\/i><\/span><\/span><\/span><\/span>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;<span class=\"colour\"> &nbsp; &nbsp; &nbsp; &nbsp;<\/span><i style=\"font-size: 16px\"><b><span class=\"colour\">Mod\u00e8le physique&nbsp;<\/span><\/b><span class=\"colour\"> &nbsp; &nbsp;<\/span> &nbsp;&nbsp;<\/i><b style=\"font-size: 16px\">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp;<\/b><\/p>\n<p style=\"margin: 0px 0px 10px;padding: 0px;line-height: 20px\"><span class=\"colour\"><span style=\"font-size: 14px\" class=\"size\">&nbsp;<\/span><\/span><\/p>\n<p style=\"margin: 0px 0px 10px;padding: 0px;line-height: 20px\"><img decoding=\"async\" data-zdeskdocselectedclass=\"original\" data-zdeskdocid=\"img_7524811478217248\" class=\"docsimage\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/09\/hc-e8f40d51c2d4.png\" style=\"padding: 0px;max-width: 100%;width: 250px;height: auto\" \/><span>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <\/span><img decoding=\"async\" data-zdeskdocselectedclass=\"original\" data-zdeskdocid=\"img_02425932709137868\" class=\"docsimage\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/09\/hc-d5519b34281f.png\" style=\"padding: 0px;max-width: 100%;width: 250px;height: auto\" \/><\/p>\n<ol>\n<li style=\"list-style-type: square\"><span class=\"colour\">Comme le montre le mod\u00e8le analytique ci-dessus, l&rsquo;hypoth\u00e8se Trumeau central est irr\u00e9aliste ou d\u00e9raisonnable, car le voile de transfert exerce une charge ponctuelle au milieu du voile.&nbsp; Cette impr\u00e9cision s&rsquo;aggrave avec un voile de transfert plus long.&nbsp;<\/span><\/li>\n<li style=\"list-style-type: square\"><span><span class=\"colour\">Le mod\u00e8le Coque EF donne un r\u00e9sultat pr\u00e9cis &amp; r\u00e9aliste, car le chargement du voile de transfert sur la poutre se rapproche d&rsquo;une charge uniforme ; chaque coque exerce en effet une charge distincte sur la poutre de transfert.&nbsp;<\/span><\/span><\/li>\n<\/ol>\n<div>\n<div>\n<div><span class=\"KB_New_Editor_Highlights\" style=\"margin: 10px 0px;position: relative;padding: 10px 10px 10px 40px\"><img decoding=\"async\" alt=\"\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-06c8aa17eb94358e1daf8e6e22c21dba.png\" data-type=\"non-resize\" data-image=\"contentStyle\" style=\"position: absolute;left: 12px;top: 14px;width: 15px;max-width: 100%\" \/><\/p>\n<div><span class=\"colour\">N&rsquo;utilisez pas le type de mod\u00e8le de voile &quot;Trumeau central&quot; pour un voile de transfert. En effet, le Trumeau central transf\u00e8re la charge sous forme d&rsquo;une charge ponctuelle unique sur la poutre de transfert, ce qui est impr\u00e9cis.&nbsp;<\/span><\/div>\n<p><\/span><\/div>\n<div><\/div>\n<\/div>\n<h1 id=\"Supporting_Offset_Discontinuous_Wall_with_Dummy_Beams\" class=\"toc_anchors\"><span class=\"colour\">Prise en charge d&rsquo;un voile discontinu d\u00e9cal\u00e9 \u00e0 l&rsquo;aide de poutres fictives<\/span><\/h1>\n<p style=\"margin: 0px 0px 10px;padding: 0px;line-height: 20px\">\n<div><span style=\"margin: 10px 0px;position: relative;padding: 10px 10px 10px 40px\" class=\"KB_New_Editor_Highlights\"><img decoding=\"async\" alt=\"\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-0b34e95037a6b91cc04888b1a0645fd6.png\" data-type=\"non-resize\" style=\"position: absolute;left: 12px;top: 14px;width: 15px;max-width: 100%\" data-image=\"contentStyle\" \/><\/p>\n<div><span class=\"colour\">Si le voile de transfert n&rsquo;utilise pas le m\u00eame axe d&rsquo;insertion longitudinal que la poutre de transfert situ\u00e9e en dessous, il ne sera pas support\u00e9, m\u00eame si &quot;\u00c9l\u00e9ment de transfert&quot; est coch\u00e9 dans les propri\u00e9t\u00e9s du voile (contrairement \u00e0 une situation similaire pour un poteau de transfert).&nbsp;<\/span><\/div>\n<p><\/span><\/div>\n<div><span>Dans ce cas, des poutres fictives doivent \u00eatre cr\u00e9\u00e9es manuellement pour relier les deux extr\u00e9mit\u00e9s du voile \u00e0 l&rsquo;axe d&rsquo;insertion de la poutre de transfert.&nbsp; Les \u00e9tapes sont :&nbsp;<\/span><\/div>\n<\/p>\n<\/div>\n<ul style=\"margin: 0px auto 10px;padding: 6px 0px 6px 40px;font-size: 14px\">\n<li style=\"margin: 0px;padding: 6px 0px;line-height: 1.7\"><span style=\"font-size: 16px\" class=\"size\"><span class=\"colour\">Cr\u00e9ez des axes fant\u00f4mes pour les poutres fictives.<\/span><\/span><span class=\"colour\"><br \/><\/span><\/li>\n<li style=\"margin: 0px;padding: 6px 0px;line-height: 1.7\"><span style=\"font-size: 16px\" class=\"size\"><span class=\"colour\">Reliez la poutre fictive de l&rsquo;axe de la poutre de&nbsp;transfert \u00e0 l&rsquo;axe du voile de&nbsp;transfert.<\/span><\/span><span class=\"colour\"><br \/><\/span><\/li>\n<li style=\"margin: 0px;padding: 6px 0px;line-height: 1.7\"><span style=\"font-size: 16px\" class=\"size\"><span class=\"colour\">Assurez-vous que des points d&rsquo;intersection appropri\u00e9s sont disponibles pour la cr\u00e9ation des \u00e9l\u00e9ments de voile et de poutre.<\/span><\/span><span class=\"colour\"><br \/><\/span><\/li>\n<li style=\"margin: 0px;padding: 6px 0px;line-height: 1.7\"><span style=\"font-size: 16px\" class=\"size\"><span class=\"colour\">Les poutres fictives peuvent \u00eatre de dimensions quelconques et seront&nbsp;consid\u00e9r\u00e9es comme des liens rigides pour induire les efforts appropri\u00e9s sur la poutre de transfert.<\/span><\/span><\/li>\n<\/ul>\n<p style=\"margin: 0px 0px 10px;padding: 0px;line-height: 20px\"><span class=\"colour\"><span style=\"font-size: 14px\" class=\"size\"><\/span><\/span><img decoding=\"async\" data-zdeskdocselectedclass=\"original\" data-zdeskdocid=\"img_5734960032428149\" class=\"docsimage\" style=\"padding: 0px;max-width: 100%\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/09\/hc-4987b36b5dfd.jpg\" \/><\/p>\n<p style=\"margin: 0px 0px 10px;padding: 0px;line-height: 20px\"><span style=\"font-size: 14px\" class=\"size\"><span style=\"font-size: 16px\" class=\"size\"><span class=\"colour\">Comme le montre le mod\u00e8le d&rsquo;exemple ci-dessus, les poutres fictives sont converties en&nbsp;<\/span><\/span><b><span style=\"font-size: 16px\" class=\"size\"><span class=\"colour\">lien rigide<\/span><\/span><\/b><span style=\"font-size: 16px\" class=\"size\"><span class=\"colour\">&nbsp;pendant l&rsquo;analyse, ce qui entra\u00eene :<\/span><\/span><\/span><span class=\"colour\"><br \/><\/span><\/p>\n<ol>\n<li style=\"list-style-type: square\"><span style=\"font-size: 16px\" class=\"size\"><span class=\"colour\">La charge transf\u00e9r\u00e9e des voiles discontinus vers la poutre de transfert<\/span><\/span><span class=\"colour\"><br \/><\/span><\/li>\n<li style=\"list-style-type: square\"><span style=\"font-size: 16px\" class=\"size\"><span class=\"colour\">Un moment de torsion induit dans la poutre de transfert<\/span><\/span><\/li>\n<\/ol>\n<p><span style=\"margin: 10px 0px;position: relative;padding: 10px 10px 10px 40px\" class=\"KB_New_Editor_Highlights\"><img decoding=\"async\" alt=\"\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-f8e00bb1a621e4bfa5f7306e23790d68.png\" data-type=\"non-resize\" style=\"position: absolute;left: 12px;top: 14px;width: 15px;max-width: 100%\" data-image=\"contentStyle\" \/> <\/p>\n<div>\n<div><span style=\"font-size: 16px\" class=\"size\"><span class=\"colour\">Pour plus de d\u00e9tails sur les param\u00e8tres du voile de transfert, veuillez lire cet article :<\/span>&nbsp;&nbsp;<\/span><a style=\"font-size: 16px\" href=\"https:\/\/support.protasoftware.com\/portal\/en\/kb\/articles\/how-do-show-transfer-discontinuous-columns-and-walls-on-plan-view#Define_discontinuous_transfer_walls_and_columns_in_ProtaStructure\" target=\"_blank\" rel=\"noopener noreferrer\">D\u00e9finir des voiles et poteaux discontinus \/ de transfert<\/a><\/div>\n<\/div>\n<p><\/span><\/div>\n<div>\n<h1 class=\"toc_anchors\" id=\"Moment_of_Transfer_Beam_Supporting_Wall\"><span class=\"colour\">Moment de la poutre de transfert supportant un voile<\/span><br \/><\/h1>\n<div><\/div>\n<div><img decoding=\"async\" style=\"padding: 0px;max-width: 100%\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/09\/hc-86e823ac23a4.png\" \/> <\/div>\n<div>Lorsqu&rsquo;un voile de contreventement maill\u00e9 est support\u00e9 par une poutre de transfert, le moment peut \u00eatre affich\u00e9 dans la vue Mod\u00e8le analytique, comme le montre la capture d&rsquo;\u00e9cran ci-dessus. <\/div>\n<div>Cela est d\u00fb \u00e0 la nature des voiles maill\u00e9s, analys\u00e9s comme une plaque \u00e9lastique isotrope. Cela signifie que la plaque peut porter horizontalement et d\u00e9velopper des efforts axiaux dans le plan. <\/div>\n<div>Le cheminement de charge dans le voile agit donc en &quot;bielles et tirants&quot; (analogie du treillis) ainsi qu&rsquo;en flexion (port\u00e9e horizontale), en distribuant la charge directement vers les appuis \u00e0 ses extr\u00e9mit\u00e9s, sans charge transmise au bas de la poutre en pratique.<\/div>\n<div><img decoding=\"async\" data-zdeskdocselectedclass=\"best\" data-zdeskdocid=\"img_7573862069023409\" class=\"docsimage\" style=\"padding: 0px;max-width: 100%;width: 385.5px;height: auto\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/09\/hc-4df5be39ad39.png\" \/> <\/div>\n<\/div>\n<div><\/div>\n<div>\n<div><span style=\"margin: 10px 0px;position: relative;padding: 10px 10px 10px 40px\" class=\"KB_New_Editor_Highlights\"><img decoding=\"async\" alt=\"\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-f8e00bb1a621e4bfa5f7306e23790d68.png\" data-type=\"non-resize\" style=\"position: absolute;left: 12px;top: 14px;width: 15px;max-width: 100%\" data-image=\"contentStyle\" \/><span>Dans le calcul, le voile de transfert ne sera pas sp\u00e9cialement calcul\u00e9 et ferraill\u00e9 comme une &quot;poutre-cloison&quot;.&nbsp; Tous les voiles de contreventement seront toujours calcul\u00e9s et ferraill\u00e9s comme un voile de contreventement normal, quels que soient la taille, la hauteur, la longueur et la continuit\u00e9.<\/span><\/span><\/div>\n<\/div>\n<div>\n<div>\n<div><span class=\"KB_New_Editor_Highlights\" style=\"margin: 10px 0px;position: relative;padding: 10px 10px 10px 40px\"><img decoding=\"async\" alt=\"\" data-image=\"contentStyle\" style=\"position: absolute;left: 12px;top: 14px;width: 15px;max-width: 100%\" data-type=\"non-resize\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-e77b825529870e3777f25cd94fbef653.png\" \/><span class=\"colour\">Nous vous recommandons de lire ce guide de calcul pour mieux comprendre les effets 3D d&rsquo;un b\u00e2timent avec une poutre de transfert supportant un poteau discontinu :<\/span>&nbsp;<b><a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/support.protasoftware.com\/portal\/en\/kb\/articles\/3d-effects-of-building-with-transfer-beam-supporting-discontinuous-column\">Effets 3D d&rsquo;un b\u00e2timent avec une poutre de transfert supportant un poteau discontinu<\/a>&nbsp;<\/b>&nbsp;<\/span><\/div>\n<div><\/div>\n<\/div>\n<\/div>\n<div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Avant de proc\u00e9der \u00e0 la mod\u00e9lisation de la poutre de transfert, il est important de comprendre comment le mod\u00e8le physique se traduit en mod\u00e8le analytique&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-2326","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 de transfert<\/title>\n<meta name=\"description\" content=\"D\u00e9couvrez comment mod\u00e9liser une poutre de transfert dans ProtaStructure : \u00e9tapes de calcul, ferraillage et bonnes pratiques de conception structurelle.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link 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