{"id":2270,"date":"2026-04-27T12:45:09","date_gmt":"2026-04-27T12:45:09","guid":{"rendered":"https:\/\/protasoftware.com\/fr\/wiki\/parametres-de-calcul-des-dalles-ps2022\/"},"modified":"2026-04-27T12:45:09","modified_gmt":"2026-04-27T12:45:09","slug":"parametres-de-calcul-des-dalles-ps2022","status":"publish","type":"wiki","link":"https:\/\/protasoftware.com\/fr\/support\/manuels-techniques\/parametres-de-calcul-des-dalles-ps2022\/","title":{"rendered":"Param\u00e8tres de calcul des dalles PS2022"},"content":{"rendered":"<div>\n<div>\n<div>\n<h1 style=\"margin: 0.67em 0px\" class=\"toc_anchors\" id=\"General\"><span class=\"size sty__mot1f0__cls\"><span style=\"font-size: 32px\" class=\"size\"><b><span class=\"colour\">G\u00e9n\u00e9ralit\u00e9s<\/span><\/b><\/span><\/span><br \/><\/h1>\n<div>\n<div class=\"sty__4g24zx__cls\"><span style=\"line-height: normal\" class=\"size sty__10603m__cls sty__fdnk36__cls\"><span class=\"colour\">Il est important de pr\u00e9d\u00e9finir les param\u00e8tres de calcul des dalles avant de commencer. Ce pr\u00e9r\u00e9glage fait gagner beaucoup de temps. Les dalles sont alors calcul\u00e9es selon les crit\u00e8res du projet.<\/span><\/span><\/div>\n<div class=\"sty__ixyix0__cls\"><span style=\"line-height: normal\" class=\"size sty__n1360q__cls sty__ix4la8__cls\"><span class=\"colour\"><br \/><\/span><\/span><\/div>\n<div class=\"sty__yxucnv__cls\"><span style=\"line-height: normal\" class=\"size sty__moc36u__cls sty__f8v1i4__cls\"><span class=\"colour\">Pour acc\u00e9der aux param\u00e8tres de calcul de dalle, l&rsquo;utilisateur peut <\/span><\/span><span style=\"line-height: normal\" class=\"size sty__e1kp66__cls\"><span class=\"colour\">ouvrir l&rsquo;onglet&nbsp;<\/span><\/span><span><span style=\"line-height: normal\" class=\"size sty__a82buj__cls\"><span class=\"colour\">&quot;Implantation du b\u00e2timent&quot;<\/span><\/span><\/span><span style=\"line-height: normal\" class=\"size sty__09yq26__cls\"><span class=\"colour\">&nbsp;&gt;&nbsp;<\/span><\/span><span><span style=\"line-height: normal\" class=\"size sty__izom1c__cls\"><span class=\"colour\">&quot;Centre de param\u00e8tres&quot;&nbsp;<\/span><\/span><\/span><span style=\"line-height: normal\" class=\"size sty__9a40h1__cls\"><span class=\"colour\">&gt;&nbsp;<\/span><\/span><span><span style=\"line-height: normal\" class=\"size sty__t7bqwo__cls\"><span class=\"colour\">&quot;Dalle&quot;.<\/span><\/span><\/span><\/div>\n<\/div>\n<\/div>\n<\/div>\n<p style=\"line-height: 32px\"><span style=\"font-size: 20px\" class=\"size\"><\/span><\/p>\n<h1 class=\"toc_anchors\" id=\"Design\"><b><span style=\"font-size: 24px\" class=\"size\"><span class=\"colour\">Calcul<\/span><\/span><\/b><\/h1>\n<div><span style=\"font-size: 18px\" class=\"size\"><\/span><\/div>\n<div>\n<div>\n<div><span class=\"font\"><span style=\"font-size: 16px\" class=\"size\"><span class=\"colour\">Les param\u00e8tres de calcul de base se r\u00e8glent dans cet onglet.<\/span><\/span><\/span><span style=\"font-size: 16px\" class=\"size\"><span class=\"colour\"><br \/><\/span><\/span><\/div>\n<div><\/div>\n<div>\n<div id=\"target_mov_img_6788784952143965\" class=\"target_moving\"><img decoding=\"async\" data-zdeskdocselectedclass=\"original\" class=\"docsimage\" data-zdeskdocid=\"img_6788784952143965\" style=\"max-width: 100%;padding: 0px;height: auto\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-c3d891451e7e5a162d36e3adf11292a0.png\"><\/div>\n<p><\/div>\n<\/div>\n<\/div>\n<ol>\n<li style=\"list-style-type: disc\">\n<div><span style=\"font-size: 16px\" class=\"size\"><b><u><span class=\"colour\">Armatures sup\u00e9rieures sur appui<\/span><\/u><span class=\"colour\"> : <\/span><\/b><span class=\"colour\">D\u00e9finit la<\/span><b><span class=\"colour\">&nbsp;<\/span><\/b><\/span><span class=\"colour\">longueur de prolongement des armatures sup\u00e9rieures sur appui&nbsp;<\/span><span><span class=\"colour\">mesur\u00e9e depuis la face int\u00e9rieure de l&rsquo;appui<\/span><\/span><span class=\"colour\"><span style=\"font-size: 16px\" class=\"size\"><span class=\"colour\">. Ces coefficients s&rsquo;appliquent aux port\u00e9es des dalles. L&rsquo;utilisateur peut aussi d\u00e9finir le moment de trav\u00e9e minimal \u00e0 prendre en compte dans le calcul de la dalle.<br \/><\/span><\/span><\/span><img decoding=\"async\" style=\"padding: 0px;max-width: 100%;width: 300px;height: auto\" data-zdeskdocselectedclass=\"best\" class=\"docsimage\" data-zdeskdocid=\"img_5954268744904336\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-c8986d9c0d3ca33f4360eeb46366eba6.png\"><\/div>\n<\/li>\n<ol>\n<li style=\"list-style-type: circle\">\n<div><span class=\"colour\"><span style=\"font-size: 16px\" class=\"size\"><b><span class=\"colour\">Prolonger de &lsquo;d&rsquo; :<\/span><\/b><span class=\"colour\">&nbsp; Prolonge l&rsquo;armature sup\u00e9rieure sur appui de la hauteur de dalle, d.<\/span><\/span><\/span><span class=\"colour\"><br \/><\/span><\/div>\n<\/li>\n<\/ol>\n<li style=\"list-style-type: disc\">\n<div><b style=\"font-size: 16px\"><u><span class=\"colour\">Port\u00e9es de dalle dans l&rsquo;analyse<\/span><\/u><span class=\"colour\"> :&nbsp;<\/span><\/b><span class=\"colour\">Choisissez&nbsp;<\/span><b style=\"font-size: 16px\"><span class=\"colour\">&quot;Utiliser la port\u00e9e libre&quot;&nbsp;<\/span><\/b><span class=\"colour\"><span style=\"font-size: 16px\" class=\"size\"><span class=\"colour\">ou&nbsp;<\/span><\/span><\/span><b style=\"font-size: 16px\"><span class=\"colour\">&quot;Utiliser la port\u00e9e entre axes&quot;<\/span><\/b><span class=\"colour\"><span style=\"font-size: 16px\" class=\"size\"><span class=\"colour\">&nbsp;(port\u00e9es calcul\u00e9es entre les axes des poutres) comme port\u00e9e de dalle dans le sens de la bande. <br \/>(Le sens transversal utilise toujours la port\u00e9e libre.)<\/span><\/span><\/span><span class=\"colour\"><br \/><\/span><\/div>\n<\/li>\n<li style=\"list-style-type: disc\"><b><u><span class=\"colour\">Param\u00e8tres<\/span><\/u><span class=\"colour\"> :<\/span><\/b><span class=\"colour\">&nbsp;<\/span><\/li>\n<ol>\n<li style=\"list-style-type: circle\">\n<div><b><span class=\"colour\">Poids volumique des hourdis de dalle nervur\u00e9e : <\/span><\/b><span class=\"colour\">D\u00e9finit le poids volumique des hourdis lorsqu&rsquo;un bloc S de dalle nervur\u00e9e est utilis\u00e9.<br \/><\/span><\/div>\n<\/li>\n<li style=\"list-style-type: circle\">\n<div><b><span class=\"colour\">Enrobage des armatures de dalle :<\/span><\/b><span class=\"colour\"> D\u00e9finit&nbsp;<\/span><span class=\"colour\"><span style=\"font-size: 16px\" class=\"size\"><span class=\"colour\">l&rsquo;\u00e9paisseur d&rsquo;enrobage des dalles.<\/span><\/span><\/span><\/div>\n<div><span style=\"margin: 10px 0px;position: relative;padding: 10px 10px 10px 40px\" class=\"KB_New_Editor_Highlights\"><img decoding=\"async\" alt=\"Info\" style=\"position: absolute;left: 12px;top: 14px;width: 15px;max-width: 100%\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-dba596261fe23fef2caf8eb2b4154041.png\" data-type=\"non-resize\" data-image=\"contentStyle\"><\/p>\n<div><span class=\"colour\">Si ce champ reste \u00e0 z\u00e9ro, l&rsquo;enrobage est d\u00e9termin\u00e9 selon les normes actives.<\/span><\/div>\n<p><\/span><\/div>\n<\/li>\n<\/ol>\n<li style=\"list-style-type: disc\">\n<div><span class=\"colour\"><b>Interpr\u00e9tation des n\u0153uds de poteau&nbsp;<\/b><\/span><span><b>(calcul par bandes EF)&nbsp;<\/b><\/span><span class=\"colour\"><b>: <\/b>Option pour d\u00e9finir<\/span><span class=\"colour\">&nbsp;les effets de concentration de contraintes lors d&rsquo;une analyse par bandes EF. Pour plus de d\u00e9tails, voir la section ci-dessous.&nbsp;<\/span><\/div>\n<\/li>\n<li style=\"list-style-type: disc\">\n<div><span class=\"colour\"><b>Combinaisons de calcul de dalle :<\/b> Option pour inclure ou ignorer les combinaisons lat\u00e9rales dans le calcul de dalle.<br \/><\/span><\/div>\n<\/li>\n<li style=\"list-style-type: disc\">\n<div><span class=\"colour\"><b>Effets Wood-Armer dans le calcul (calcul EF) :<\/b> Pour que les&nbsp;<\/span><span class=\"colour\">moments de<span class=\"colour\"> calcul int\u00e8grent les effets de torsion selon la m\u00e9thode de Wood et Armer<\/span><\/span><span><span class=\"colour\">&nbsp;dans le calcul de dalle.&nbsp;<\/span><\/span><\/div>\n<\/li>\n<\/ol>\n<\/div>\n<blockquote class=\"zde_indent\">\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=\"Notes\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-9f013fc4bc73da5500f445af9f043bd8.png\" data-type=\"non-resize\" style=\"position: absolute;left: 12px;top: 14px;width: 15px;max-width: 100%\" data-image=\"contentStyle\"><\/p>\n<div style=\"font-size: 16px;letter-spacing: 0.1px\"><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px;line-height: normal\">Wood et Armer ont \u00e9tabli la m\u00e9thode de d\u00e9termination du moment \u00e9quivalent. Elle prend en compte le moment de torsion, en plus du moment de flexion pur dans la direction orthogonale principale.&nbsp;<\/span><\/span><span style=\"font-size: 14px;letter-spacing: 0.1px\"><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px;line-height: normal\">Des d\u00e9tails sur la m\u00e9thode figurent, par exemple, dans R.H.Wood, &quot;The reinforcement of slabs in accordance with a pre-determined field of moments&quot;, Concrete, f\u00e9vrier 1968, ao\u00fbt 1968].&nbsp;<\/span><\/span><\/span><span style=\"font-size: 14px\"><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px;line-height: normal\">Nous recommandons de prendre en compte les effets Wood-Armer dans le calcul des dalles. La plupart des r\u00e9f\u00e9rences de calcul les pr\u00e9conisent.&nbsp;<\/span><\/span><\/span><\/div>\n<p><\/span><\/div>\n<\/div>\n<\/blockquote>\n<div>\n<ol>\n<li style=\"list-style-type: disc\">\n<div><b><span class=\"colour\">Collecte des r\u00e9sultats de dalle nervur\u00e9e<\/span><\/b><span class=\"colour\"> : Les options sont &quot;Depuis toutes les lignes de nervures&quot; ou &quot;Depuis la ligne de nervure la plus proche de la bande&quot;<\/span><\/div>\n<\/li>\n<\/ol>\n<div><\/div>\n<div><\/div>\n<div><span class=\"colour\"><span style=\"font-size: 20px\" class=\"size\"><\/span><\/span><\/div>\n<h1 class=\"toc_anchors\" id=\"Rebars\"><b><span style=\"font-size: 24px\" class=\"size\"><span class=\"colour\">Armatures<\/span><\/span><\/b><br \/><\/h1>\n<div><\/div>\n<div><span class=\"font\"><span style=\"font-size: 16px\" class=\"size\"><span class=\"colour\">Les param\u00e8tres de s\u00e9lection et de disposition des barres d&rsquo;armature se r\u00e8glent dans cet onglet.<br \/><\/span><\/span><\/span><\/div>\n<div><span class=\"font\"><span style=\"font-size: 16px\" class=\"size\"><span class=\"colour\"><\/p>\n<div class=\"target_moving\" id=\"target_mov_img_8704456515770654\"><img decoding=\"async\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-a4749fc99c2681817a2e66e0d4ab2aee.png\" style=\"max-width: 100%;height: auto;padding: 0\" data-zdeskdocid=\"img_8704456515770654\" class=\"docsimage\" data-zdeskdocselectedclass=\"original\"><\/div>\n<p><\/span><\/span><\/span><\/div>\n<div><\/div>\n<ol>\n<li style=\"list-style-type: disc\"><b><u><span class=\"colour\"><span style=\"font-size: 16px\" class=\"size\">S\u00e9lection des barres d&rsquo;armature<\/span><\/span><\/u><span class=\"colour\"><span style=\"font-size: 16px\" class=\"size\"> :&nbsp;<\/span><\/span><\/b><span class=\"colour\"><span style=\"font-size: 16px\" class=\"size\"><br \/><\/span><\/span><\/li>\n<ol>\n<li style=\"list-style-type: circle\"><b><span class=\"colour\"><span style=\"font-size: 16px\" class=\"size\">Sch\u00e9ma d&rsquo;armatures de dalle :&nbsp;<\/span><\/span><\/b><span class=\"colour\"><span style=\"font-size: 16px\" class=\"size\">S\u00e9lectionne le sch\u00e9ma de ferraillage des dalles utilis\u00e9 pour le calcul.&nbsp;<\/span><\/span><\/li>\n<ol>\n<li style=\"list-style-type: disc\"><span class=\"colour\"><span style=\"font-size: 16px\" class=\"size\"><img decoding=\"async\" data-zdeskdocselectedclass=\"\" class=\"docsimage\" data-zdeskdocid=\"img_17023464443608027\" style=\"max-width: 100%;padding: 0px;height: auto;width: 56px\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-be3cd43cf17d48949c289b31b8bfe418.png\">&nbsp; &nbsp;<b>Barre relev\u00e9e<\/b>&nbsp;<b>1<\/b> : les barres relev\u00e9es forment l&rsquo;armature principale. Des barres droites suppl\u00e9mentaires sont plac\u00e9es en trav\u00e9e et sur appuis. Exemple de d\u00e9tail ci-dessous.&nbsp;<br \/><\/span><\/span><\/li>\n<\/ol>\n<\/ol>\n<\/ol>\n<\/div>\n<blockquote class=\"zde_indent\">\n<blockquote class=\"zde_indent\">\n<div>\n<div><img decoding=\"async\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-957ef0e9be86622802357faee1c042e7.png\" style=\"max-width: 100%;padding: 0px;width: 797.5px;height: auto\" data-zdeskdocid=\"img_8272744184655784\" class=\"docsimage\" data-zdeskdocselectedclass=\"best\"><span class=\"colour\"><span style=\"font-size: 16px\" class=\"size\"><br \/><\/span><\/span><\/div>\n<\/div>\n<\/blockquote>\n<\/blockquote>\n<div>\n<ol>\n<ol>\n<ol>\n<li style=\"list-style-type: disc\"><img decoding=\"async\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-4cbd008032e5012841c4653aa455678c.png\" style=\"max-width: 100%;height: auto;padding: 0px;width: 64px\" data-zdeskdocid=\"img_7718797213053601\" class=\"docsimage\" data-zdeskdocselectedclass=\"\">&nbsp;&nbsp;<span style=\"font-size: 16px\">&nbsp;<b>&nbsp;B<\/b><\/span><b style=\"font-size: 16px\">arre relev\u00e9e<\/b><span style=\"font-size: 16px\"><b>&nbsp;2 :<\/b> les barres relev\u00e9es forment l&rsquo;armature principale. Des barres droites suppl\u00e9mentaires sont plac\u00e9es sur appuis uniquement (aucune en trav\u00e9e). Exemple de d\u00e9tail ci-dessous.&nbsp;<br \/><\/span><\/li>\n<\/ol>\n<\/ol>\n<\/ol>\n<\/div>\n<blockquote class=\"zde_indent\">\n<blockquote class=\"zde_indent\">\n<div>\n<div><span style=\"font-size: 16px\"><img decoding=\"async\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-77595f5cccba40aab23d43f56733ca27.png\" style=\"max-width: 100%;padding: 0px;width: 805.5px;height: auto\" data-zdeskdocid=\"img_850017049058507\" class=\"docsimage\" data-zdeskdocselectedclass=\"best\"><br \/><\/span><\/div>\n<\/div>\n<\/blockquote>\n<\/blockquote>\n<div>\n<ol>\n<ol>\n<ol>\n<li style=\"list-style-type: disc\"><span class=\"colour\"><span style=\"font-size: 16px\" class=\"size\"><img decoding=\"async\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-14ee5ad97363607cee6e8f6e456079a4.png\" style=\"max-width: 100%;height: auto;padding: 0\"><b>&nbsp; Barre droite 1<\/b> :&nbsp; les barres inf\u00e9rieures traversent la trav\u00e9e et la zone d&rsquo;appui.&nbsp;<\/span><\/span><span style=\"font-size: 16px\">Les barres sup\u00e9rieures s&rsquo;arr\u00eatent \u00e0 l&rsquo;appui et ne se prolongent pas jusqu&rsquo;au milieu.&nbsp; Exemple de d\u00e9tail ci-dessous.&nbsp;<br \/><\/span><\/li>\n<\/ol>\n<\/ol>\n<\/ol>\n<\/div>\n<blockquote class=\"zde_indent\">\n<blockquote class=\"zde_indent\">\n<div>\n<div><span style=\"font-size: 16px\"><img decoding=\"async\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-3b796bb2846c207e379be925e2b6b2f7.png\" style=\"max-width: 100%;padding: 0px;width: 804.5px;height: auto\" data-zdeskdocid=\"img_05032455130095348\" class=\"docsimage\" data-zdeskdocselectedclass=\"best\"><br \/><\/span><\/div>\n<\/div>\n<\/blockquote>\n<\/blockquote>\n<div>\n<ol>\n<ol>\n<ol>\n<li style=\"list-style-type: disc\"><span class=\"colour\"><span style=\"font-size: 16px\" class=\"size\">\n<div class=\"target_moving\" id=\"target_mov_img_540952773452213\"><img decoding=\"async\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-881eb21e905ad03fafb2670af948f13a.png\" style=\"max-width: 100%;height: auto;padding: 0\" data-zdeskdocid=\"img_540952773452213\" class=\"docsimage\" data-zdeskdocselectedclass=\"original\">&nbsp; &nbsp;<b>Barre droite 2 <\/b>:&nbsp; les barres droites sup\u00e9rieures et inf\u00e9rieures traversent la trav\u00e9e et la zone d&rsquo;appui. Exemple de d\u00e9tail ci-dessous.<\/div>\n<p><\/span><\/span><\/li>\n<\/ol>\n<\/ol>\n<\/ol>\n<\/div>\n<blockquote class=\"zde_indent\">\n<blockquote class=\"zde_indent\">\n<div><span class=\"colour\"><span style=\"font-size: 16px\" class=\"size\"><\/p>\n<div class=\"target_moving\" id=\"target_mov_img_540952773452213\"><img decoding=\"async\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-133c3debe63ec66a5cf57250f7067ec2.png\" style=\"max-width: 100%;padding: 0px;width: 808.5px;height: auto\" data-zdeskdocid=\"img_7879792049316848\" class=\"docsimage\" data-zdeskdocselectedclass=\"best\"><\/div>\n<p><\/span><\/span><\/div>\n<\/blockquote>\n<\/blockquote>\n<div>\n<ol>\n<ol>\n<li style=\"list-style-type: circle\"><b><span class=\"colour\"><span style=\"font-size: 16px\" class=\"size\">Diam\u00e8tre min. des armatures : <\/span><\/span><\/b><span class=\"colour\"><span style=\"font-size: 16px\" class=\"size\">D\u00e9finit le diam\u00e8tre minimal admis des armatures de dalle.<\/span><\/span><\/li>\n<li style=\"list-style-type: circle\"><b style=\"font-size: 16px\"><span style=\"font-size: 16px\" class=\"size\"><span class=\"colour\">Espacement des barres (min\/max) : <\/span><\/span><\/b><span style=\"font-size: 16px\" class=\"size\"><span class=\"colour\">D\u00e9finit l&rsquo;espacement minimal et maximal des armatures des dalles.<\/span><\/span><\/li>\n<li style=\"list-style-type: circle\"><b style=\"font-size: 16px\"><span style=\"font-size: 16px\" class=\"size\"><span class=\"colour\">Pas d&rsquo;espacement des armatures :<\/span><\/span><\/b><span class=\"colour\"><span style=\"font-size: 16px\" class=\"size\"><span style=\"font-size: 16px\" class=\"size\"><span class=\"colour\">&nbsp;Les valeurs d&rsquo;espacement des armatures augmentent du pas indiqu\u00e9 dans ce champ \u00e0 chaque it\u00e9ration.<\/span><\/span><\/span><\/span><span style=\"font-size: 16px\" class=\"size\"><span class=\"colour\"><br \/><\/span><\/span><\/li>\n<li style=\"list-style-type: circle\"><b><span style=\"font-size: 16px\" class=\"size\"><span class=\"colour\">Pas de longueur des armatures :&nbsp;<\/span><\/span><\/b><span style=\"font-size: 16px\" class=\"size\"><span class=\"colour\">Les longueurs des armatures augmentent du pas indiqu\u00e9 dans ce champ \u00e0 chaque it\u00e9ration.<\/span><\/span><\/li>\n<li style=\"list-style-type: circle\"><span style=\"font-size: 16px\" class=\"size\"><b><span class=\"colour\">Distance des armatures au bord : <\/span><\/b><span class=\"colour\">D\u00e9finit la distance parall\u00e8le entre les armatures de dalle (premi\u00e8re\/derni\u00e8re barre) et le bord de la dalle.<\/span><\/span><\/li>\n<\/ol>\n<\/ol>\n<div><\/div>\n<ol>\n<li style=\"list-style-type: disc\"><b><u><span style=\"font-size: 16px\" class=\"size\"><span class=\"colour\">Arr\u00eat des armatures<\/span><\/span><\/u><span style=\"font-size: 16px\" class=\"size\"><span class=\"colour\"> :&nbsp;<\/span><\/span><\/b><span style=\"font-size: 16px\" class=\"size\"><span class=\"colour\"><br \/><\/span><\/span><\/li>\n<ol>\n<li style=\"list-style-type: circle\"><span style=\"font-size: 16px\" class=\"size\"><b><span class=\"colour\">Cr\u00e9er un retour d&rsquo;armature pour les armatures sup\u00e9rieures des porte-\u00e0-faux : <\/span><\/b><span class=\"colour\">Autorise les armatures sup\u00e9rieures des dalles en porte-\u00e0-faux<\/span><\/span><span class=\"colour\"><span style=\"font-size: 16px\" class=\"size\"><span style=\"font-size: 16px\" class=\"size\"><span class=\"colour\">&nbsp;\u00e0 se terminer par un retour d&rsquo;armature. Sinon, les armatures se terminent en barre droite \u00e0 l&rsquo;extr\u00e9mit\u00e9 de la dalle en porte-\u00e0-faux.<\/span><\/span><\/span><\/span><\/li>\n<li style=\"list-style-type: circle\"><b><span style=\"font-size: 16px\" class=\"size\"><span class=\"colour\">Placer les armatures d&rsquo;appui de dalle en 1re nappe dans les deux directions :&nbsp;<\/span><\/span><\/b><span style=\"font-size: 16px\" class=\"size\"><span class=\"colour\">Place toutes les armatures d&rsquo;appui en 1re nappe dans les deux directions. Sinon, le programme d\u00e9termine la nappe des armatures selon les dimensions de la dalle.<\/span><\/span><span class=\"colour\"><br \/><\/span><\/li>\n<li style=\"list-style-type: circle\"><span class=\"colour\"><b>Arr\u00eater les armatures d&rsquo;appui selon la longueur du petit c\u00f4t\u00e9 : <\/b>Utilise la longueur du petit c\u00f4t\u00e9 Lx de la dalle comme longueur efficace pour calculer la longueur de prolongement \u00e0 l&rsquo;arr\u00eat (voir Param\u00e8tres de calcul de dalle &gt; Dalle &gt; Calcul &gt; &quot;<b>Armatures sup\u00e9rieures d&rsquo;appui<\/b>&quot;).<br \/><\/span><\/li>\n<li style=\"list-style-type: circle\"><span style=\"font-size: 16px\" class=\"size\"><span class=\"colour\"><b>Prolonger sym\u00e9triquement les armatures d&rsquo;appui lorsque les port\u00e9es de dalle varient : <\/b>Prolonge sym\u00e9triquement les armatures d&rsquo;appui au niveau de l&rsquo;appui int\u00e9rieur des dalles. Si cette option est coch\u00e9e, la plus grande port\u00e9e efficace sert \u00e0 calculer la longueur de prolongement de l&rsquo;armature d&rsquo;appui.<\/span><\/span><span class=\"colour\"><br \/><\/span><\/li>\n<li style=\"list-style-type: circle\"><b><span style=\"font-size: 16px\" class=\"size\"><span class=\"colour\">Placer des barres relev\u00e9es le long des grands c\u00f4t\u00e9s des dalles portant dans un sens :&nbsp;<\/span><\/span><\/b><span style=\"font-size: 16px\" class=\"size\"><span class=\"colour\">Par d\u00e9faut, les barres relev\u00e9es ne sont pas plac\u00e9es le long des grands c\u00f4t\u00e9s des dalles portant dans un sens. Cochez cette option pour les y placer.<\/span><\/span><\/li>\n<li style=\"list-style-type: circle\">\n<div><span style=\"font-size: 16px\" class=\"size\"><span class=\"colour\"><b>Longueur de coupe des armatures de dalle :&nbsp;<\/b><\/span><\/span><span class=\"colour\">Permet de saisir les longueurs de coupe des armatures. La longueur des barres est ensuite compar\u00e9e \u00e0 cette valeur. Une armature qui d\u00e9passe cette longueur re\u00e7oit un recouvrement.<\/span><\/div>\n<\/li>\n<li style=\"list-style-type: circle\"><span style=\"font-size: 16px\" class=\"size\"><span class=\"colour\"><b>Longueur de retour par d\u00e9faut :<\/b> D\u00e9finit la longueur de retour d&rsquo;armature par d\u00e9faut pour les armatures de dalle.<\/span><\/span><\/li>\n<\/ol>\n<\/ol>\n<p style=\"line-height: 32px\"><span class=\"colour\"><span style=\"font-size: 20px\" class=\"size\"><\/span><\/span><\/p>\n<h1 class=\"toc_anchors\" id=\"Appearance\"><b><span style=\"font-size: 24px\" class=\"size\"><span class=\"colour\">Apparence<\/span><\/span><\/b><\/h1>\n<\/p>\n<div><span class=\"font\"><span style=\"font-size: 16px\" class=\"size\"><span class=\"colour\">Cet onglet contr\u00f4le l&rsquo;affichage des armatures.<\/span><\/span><\/span><span style=\"font-size: 16px\" class=\"size\"><br \/><\/span><\/div>\n<div><img decoding=\"async\" style=\"max-width: 100%;height: auto;padding: 0\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-3c226e7e43ee0e2c9d345aeca1d22860.png\"><\/div>\n<div><span class=\"colour\"><span style=\"font-size: 18px\" class=\"size\"><\/span><\/span><\/div>\n<ol>\n<li style=\"list-style-type: disc\"><b><u><span style=\"font-size: 16px\" class=\"size\"><span class=\"colour\">Vue en plan<\/span><\/span><\/u><span style=\"font-size: 16px\" class=\"size\"><span class=\"colour\"> :&nbsp;<\/span><\/span><\/b><\/li>\n<ol>\n<li style=\"list-style-type: circle\"><b style=\"font-size: 16px\"><span style=\"font-size: 16px\" class=\"size\"><span class=\"colour\">Imprimer la longueur totale des armatures :&nbsp;<\/span><\/span><\/b><span style=\"font-size: 16px\" class=\"size\"><span class=\"colour\">La longueur de l&rsquo;armature est imprim\u00e9e \u00e0 c\u00f4t\u00e9 de l&rsquo;\u00e9tiquette d&rsquo;armature.<\/span><\/span><\/li>\n<li style=\"list-style-type: circle\"><b><span style=\"font-size: 16px\" class=\"size\"><span class=\"colour\">Afficher les lignes de port\u00e9e des armatures : <\/span><\/span><\/b><span style=\"font-size: 16px\" class=\"size\"><span class=\"colour\">Cette option affiche la ligne de la plage de port\u00e9e de l&rsquo;armature.<\/span><\/span><\/li>\n<li style=\"list-style-type: circle\"><b style=\"font-size: 16px\"><span style=\"font-size: 16px\" class=\"size\"><span class=\"colour\">Afficher le nombre d&rsquo;armatures dans l&rsquo;\u00e9tiquette d&rsquo;armature :<\/span><\/span><\/b><span style=\"font-size: 16px\" class=\"size\"><span class=\"colour\">Cette option affiche le nombre d&rsquo;armatures devant l&rsquo;\u00e9tiquette d&rsquo;armature.<br \/><\/span><\/span><\/li>\n<li style=\"list-style-type: circle\"><b style=\"font-size: 16px\"><span style=\"font-size: 16px\" class=\"size\"><span class=\"colour\">Imprimer l&rsquo;information de lit alternative (B1=BB, B2=BT, T1=TT, T2=TB) :&nbsp;<\/span><\/span><\/b><span style=\"font-size: 16px\" class=\"size\"><span class=\"colour\">Cette option remplace le rep\u00e8re num\u00e9rique de l&rsquo;armature par des lettres, \u00e0 la fin de l&rsquo;\u00e9tiquette d&rsquo;armature.<br \/>Les textes suivants sont imprim\u00e9s comme information de lit d&rsquo;armatures :<\/span><\/span><\/li>\n<ol>\n<li style=\"list-style-type: square\"><span style=\"font-size: 16px\" class=\"size\"><span class=\"colour\"><b>TT&nbsp;<\/b>: 1er lit d&rsquo;armatures sup\u00e9rieures (T1)<br \/><\/span><\/span><\/li>\n<li style=\"list-style-type: square\"><span style=\"font-size: 16px\" class=\"size\"><span class=\"colour\"><b>TB<\/b> : 2e lit d&rsquo;armatures sup\u00e9rieures (T2)<br \/><\/span><\/span><\/li>\n<li style=\"list-style-type: square\"><span style=\"font-size: 16px\" class=\"size\"><span class=\"colour\"><b>BB<\/b> : 1er lit d&rsquo;armatures inf\u00e9rieures (B1)<br \/><\/span><\/span><\/li>\n<li style=\"list-style-type: square\"><span style=\"font-size: 16px\" class=\"size\"><span class=\"colour\"><b>BT<\/b> : 2e lit d&rsquo;armatures inf\u00e9rieures (B2)<br \/><\/span><\/span><img decoding=\"async\" style=\"padding: 0px;max-width: 100%;width: 485px;height: auto\" data-zdeskdocselectedclass=\"original\" class=\"docsimage\" data-zdeskdocid=\"img_8619784989614052\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/09\/hc-85b5aeb6bed3.png\"><\/li>\n<\/ol>\n<\/ol>\n<\/ol>\n<div>\n<div>\n<ol>\n<li style=\"list-style-type: disc\"><b><u><span style=\"font-size: 16px\" class=\"size\"><span class=\"colour\">Conditions d&rsquo;insertion des nervures transversales<\/span><\/span><\/u><span style=\"font-size: 16px\" class=\"size\"><span class=\"colour\"> :&nbsp;<\/span><\/span><\/b><span style=\"font-size: 16px\" class=\"size\"><span class=\"colour\">Une nervure transversale est ins\u00e9r\u00e9e dans les dalles nervur\u00e9es unidirectionnelles si la premi\u00e8re limite est d\u00e9pass\u00e9e. Une seconde nervure l&rsquo;est aussi si la seconde limite est d\u00e9pass\u00e9e. Cette option peut \u00eatre activ\u00e9e dans les propri\u00e9t\u00e9s des dalles.<\/span><\/span><\/li>\n<li style=\"list-style-type: disc\"><b><u><span style=\"font-size: 16px\" class=\"size\"><span class=\"colour\">Tr\u00e9mie de dalle<\/span><\/span><\/u><span style=\"font-size: 16px\" class=\"size\"><span class=\"colour\"> : <\/span><\/span><\/b><span style=\"font-size: 16px\" class=\"size\"><span class=\"colour\">Indique la tr\u00e9mie de dalle sur le plan par un &quot;X&quot; ou un &quot;L&quot;.<\/span><\/span><\/li>\n<\/ol>\n<div><span style=\"font-size: 16px\" class=\"size\"><span class=\"colour\"><\/span><\/span><\/div>\n<\/div>\n<\/div>\n<h1 class=\"toc_anchors\" id=\"Column_Node_Interpretation\"><span class=\"colour sty__opahkl__cls\"><span class=\"colour\">Interpr\u00e9tation des n\u0153uds de poteau<\/span><\/span><br \/><\/h1>\n<div style=\"font-size: 16px;letter-spacing: 0.1px\"><img decoding=\"async\" style=\"padding: 0px;max-width: 100%\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-d8b947ddf94eb0e82b91ba7f0ee06ebd.png\"><\/div>\n<div style=\"font-size: 16px;letter-spacing: 0.1px\"><\/div>\n<div style=\"font-size: 16px;letter-spacing: 0.1px\"><span class=\"colour sty__zq3hu3__cls\"><span class=\"colour\">Les poteaux sont mod\u00e9lis\u00e9s par un seul n\u0153ud, et les voiles par une s\u00e9rie de n\u0153uds. Des concentrations de contraintes ind\u00e9sirables peuvent appara\u00eetre \u00e0 ces endroits. Elles produisent des moments sur appui anormalement \u00e9lev\u00e9s. Les bandes de dalle&nbsp;<\/span><\/span><span class=\"colour\">\u201cBande fixe\u201d<\/span><span class=\"colour sty__a4tigj__cls\"><span class=\"colour\">&nbsp;ne renvoient qu&rsquo;un seul moment maximal n\u00e9gatif et un seul positif. La zone couverte par ces bandes est calcul\u00e9e avec une seule armature sup\u00e9rieure et une seule inf\u00e9rieure, pour reprendre ces moments. Si les n\u0153uds de poteau sont pris en compte dans le calcul, toute la zone d&rsquo;une bande fixe repose sur un moment tr\u00e8s \u00e9lev\u00e9.<\/span><\/span><span class=\"colour\"><br \/><\/span><\/div>\n<div style=\"font-size: 16px;letter-spacing: 0.1px\"><span class=\"colour\"><br \/><\/span><\/div>\n<div style=\"font-size: 16px;letter-spacing: 0.1px\"><span class=\"colour sty__07tjft__cls\"><span class=\"colour\">Les options suivantes permettent de tenir compte des effets de concentration de contraintes dans ces bandes :<\/span><\/span><\/div>\n<h3 style=\"letter-spacing: 0.1px\" class=\"toc_anchors\" id=\"Include_Column_Node_Results\"><span class=\"colour sty__1aobvl__cls\">Inclure les r\u00e9sultats des n\u0153uds de poteau<\/span><br \/><\/h3>\n<div style=\"font-size: 16px;letter-spacing: 0.1px\"><span class=\"colour sty__zlt994__cls\">Si le formulaire de post-traitement de l&rsquo;analyse par \u00e9l\u00e9ments finis est utilis\u00e9 avec cette option s\u00e9lectionn\u00e9e, les r\u00e9sultats des n\u0153uds de poteau et des n\u0153uds d&rsquo;extr\u00e9mit\u00e9 de voile sont renvoy\u00e9s. Ils sont pris en compte dans le calcul.<\/span><\/div>\n<div style=\"font-size: 16px;letter-spacing: 0.1px\"><span class=\"colour sty__4uwou3__cls\">Cette option est recommand\u00e9e pour tous les types de bandes de dalle autres que les bandes&nbsp;<\/span><i>&quot;Bande fixe&quot;<\/i><span class=\"colour sty__4yrnss__cls\">.<\/span><\/div>\n<div style=\"font-size: 16px;letter-spacing: 0.1px\"><img decoding=\"async\" style=\"padding: 0px;max-width: 100%;cursor: pointer\" class=\"sty__ra9bpj__cls\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/09\/hc-a502cf6019cd.png\"><\/div>\n<div style=\"font-size: 16px;letter-spacing: 0.1px\"><\/div>\n<h3 style=\"letter-spacing: 0.1px\" class=\"toc_anchors\" id=\"IgnoreColumn_Node_Results\"><span class=\"colour sty__msh3yq__cls\"><span class=\"colour\">Ignorer&nbsp;<\/span><\/span><span class=\"colour\">les r\u00e9sultats des n\u0153uds de poteau<\/span><\/h3>\n<div style=\"font-size: 16px;letter-spacing: 0.1px\"><span class=\"colour sty__cq1b64__cls\"><span class=\"colour\">Si le formulaire de post-traitement de l&rsquo;analyse par \u00e9l\u00e9ments finis est utilis\u00e9 avec cette option s\u00e9lectionn\u00e9e, les r\u00e9sultats des n\u0153uds de poteau et des n\u0153uds d&rsquo;extr\u00e9mit\u00e9 de voile sont ignor\u00e9s. Ils ne sont pas pris en compte dans le calcul.<\/span><\/span><span class=\"colour\"><br \/><\/span><\/div>\n<div style=\"font-size: 16px;letter-spacing: 0.1px\"><span class=\"colour sty__lroeef__cls\"><span class=\"colour\">Cette option peut servir pour les bandes&nbsp;<\/span><\/span><i><span class=\"colour\">&quot;Bande fixe&quot;<\/span><\/i><span class=\"colour sty__l5fe6i__cls\"><span class=\"colour\">&nbsp;. Des armatures d&rsquo;appui suppl\u00e9mentaires peuvent alors \u00eatre n\u00e9cessaires. Elles s&rsquo;ins\u00e8rent manuellement apr\u00e8s le calcul, d&rsquo;apr\u00e8s les moments maximaux des n\u0153uds de poteau.<\/span><\/span><span class=\"colour\"><br \/><\/span><\/div>\n<div style=\"font-size: 16px;letter-spacing: 0.1px\"><img decoding=\"async\" style=\"padding: 0px;max-width: 100%;cursor: pointer\" class=\"sty__7u2s6f__cls\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/09\/hc-a7d0cbba9f31.png\"><span class=\"colour\"><br \/><\/span><\/div>\n<div style=\"font-size: 16px;letter-spacing: 0.1px\"><span class=\"colour\"><br \/><\/span><\/div>\n<h3 style=\"letter-spacing: 0.1px\" class=\"toc_anchors\" id=\"Average_with_Nearest_Node_Results\"><span class=\"colour sty__i4zxxk__cls\"><span class=\"colour\">Moyenne avec les r\u00e9sultats des n\u0153uds voisins<\/span><\/span><span class=\"colour\"><br \/><\/span><\/h3>\n<div style=\"font-size: 16px;letter-spacing: 0.1px\"><span class=\"colour sty__pyw3db__cls\"><span class=\"colour\">Si le formulaire de post-traitement de l&rsquo;analyse par \u00e9l\u00e9ments finis est utilis\u00e9 avec cette option s\u00e9lectionn\u00e9e, les r\u00e9sultats des n\u0153uds de poteau et des n\u0153uds d&rsquo;extr\u00e9mit\u00e9 de voile sont ignor\u00e9s. Ils ne sont pas pris en compte dans le calcul. On utilise \u00e0 la place les valeurs moyenn\u00e9es&nbsp;entre le n\u0153ud de poteau (ou d&rsquo;extr\u00e9mit\u00e9 de voile) et les premiers n\u0153uds voisins autour du poteau (ou de l&rsquo;extr\u00e9mit\u00e9 de voile). L&rsquo;effet de r\u00e9duction du moment d\u00fb aux dimensions finies du poteau et du voile est ainsi mieux pris en compte.<\/span><\/span><span class=\"colour\"><br \/><\/span><\/div>\n<div style=\"font-size: 16px;letter-spacing: 0.1px\"><span class=\"colour\"><br \/><\/span><\/div>\n<div style=\"font-size: 16px;letter-spacing: 0.1px\"><span class=\"colour sty__b2qaxf__cls\"><span class=\"colour\">Cette option est recommand\u00e9e pour les bandes<\/span><\/span><i><span class=\"colour\">&nbsp;&quot;Bande fixe&quot;&nbsp;<\/span><\/i><span class=\"colour sty__52jcyw__cls\"><span class=\"colour\">. Des armatures d&rsquo;appui suppl\u00e9mentaires peuvent alors \u00eatre n\u00e9cessaires. Elles s&rsquo;ins\u00e8rent manuellement apr\u00e8s le calcul, d&rsquo;apr\u00e8s les moments maximaux des n\u0153uds<\/span><span class=\"colour\"> de poteau.<\/span><\/span><\/div>\n<div style=\"font-size: 16px;letter-spacing: 0.1px\"><img decoding=\"async\" style=\"padding: 0px;max-width: 100%;cursor: pointer\" class=\"sty__8w73lp__cls\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/09\/hc-c2e12ff6f10d.png\"><\/div>\n<div style=\"font-size: 16px;letter-spacing: 0.1px\"><\/div>\n<div style=\"font-size: 16px;letter-spacing: 0.1px\"><\/div>\n<div style=\"font-size: 16px;letter-spacing: 0.1px\"><\/div>\n<\/div>\n<div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>G\u00e9n\u00e9ralit\u00e9s Il est important de pr\u00e9d\u00e9finir les param\u00e8tres de calcul des dalles avant de commencer. Ce pr\u00e9r\u00e9glage fait gagner beaucoup de temps. Les dalles sont&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":[47],"whitepaper_topic":[],"whitepaper_product":[],"whitepaper_type":[],"class_list":["post-2270","wiki","type-wiki","status-publish","hentry","category-settings-and-parameters"],"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>Param\u00e8tres de calcul des dalles PS2022 - Prota Software<\/title>\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\/parametres-de-calcul-des-dalles-ps2022\/\" \/>\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=\"G\u00e9n\u00e9ralit\u00e9s Il est important de pr\u00e9d\u00e9finir les param\u00e8tres de calcul des dalles avant de commencer. 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