{"id":2296,"date":"2026-04-27T12:53:59","date_gmt":"2026-04-27T12:53:59","guid":{"rendered":"https:\/\/protasoftware.com\/fr\/wiki\/travailler-avec-les-dalles\/"},"modified":"2026-04-27T12:53:59","modified_gmt":"2026-04-27T12:53:59","slug":"travailler-avec-les-dalles","status":"publish","type":"wiki","link":"https:\/\/protasoftware.com\/fr\/support\/manuels-techniques\/travailler-avec-les-dalles\/","title":{"rendered":"Travailler avec les dalles"},"content":{"rendered":"<h1 id=\"Defining_a_New_Slab\" class=\"toc_anchors\"><b style=\"font-size: 15px\"><span class=\"size\" style=\"font-size: 32px\"><span class=\"colour\">D\u00e9finition d&rsquo;une nouvelle dalle<\/span><\/span><\/b><\/h1>\n<div><span class=\"size\" style=\"font-size: 16px\"><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">Avant d&rsquo;ins\u00e9rer une dalle, d\u00e9finissez ses axes de r\u00e9f\u00e9rence.<\/span><\/span><\/span><\/div>\n<div><span class=\"size\" style=\"font-size: 16px\"><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">Pour d\u00e9finir une nouvelle dalle :<\/span><\/span><\/span><\/div>\n<ol>\n<li style=\"list-style-type: decimal\"><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">Affichez dans la zone de dessin le niveau d&rsquo;\u00e9tage qui contiendra la dalle.<\/span><\/span><\/li>\n<li style=\"list-style-type: decimal\"><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">Appuyez sur le bouton \u201c<\/span><\/span><i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">Dalle<\/span><\/span><\/i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">\u201d situ\u00e9 dans le ruban &quot;<\/span><\/span><i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">Mod\u00e9lisation<\/span><\/span><\/i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">&quot;.<\/span><\/span><\/li>\n<li style=\"list-style-type: decimal\"><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">La bo\u00eete de dialogue &quot;<\/span><\/span><i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">Propri\u00e9t\u00e9s de la dalle\u201d <\/span><\/span><\/i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">s&rsquo;affiche&nbsp;<\/span><span class=\"colour\"><br \/><\/span><\/span><\/li>\n<ol>\n<li style=\"list-style-type: square\"><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">Si les cas de charge et les combinaisons ne sont pas d\u00e9finis, un message propose de les g\u00e9n\u00e9rer.<\/span><\/span><\/li>\n<\/ol>\n<li style=\"list-style-type: decimal\"><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">Modifiez les champs du formulaire &quot;<\/span><\/span><i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">Propri\u00e9t\u00e9s de la dalle<\/span><\/span><\/i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">&quot;. Saisissez le libell\u00e9 de la dalle dans le champ &quot;<\/span><\/span><i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">Libell\u00e9<\/span><\/span><\/i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">&quot; (11 caract\u00e8res maximum), puis modifiez l&rsquo;\u00e9paisseur de la dalle &quot;<\/span><\/span><i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">h<\/span><\/span><\/i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">&quot;.<\/span><\/span><\/li>\n<li style=\"list-style-type: decimal\"><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">Appuyez sur l&rsquo;onglet \u201c<\/span><\/span><i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">Charges<\/span><\/span><\/i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">\u201d du formulaire \u201c<\/span><\/span><i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">Propri\u00e9t\u00e9s de la dalle<\/span><\/span><\/i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">\u201d pour acc\u00e9der \u00e0 la page suivante. D\u00e9finissez les charges permanentes et d&rsquo;exploitation de la dalle.&nbsp;<\/span><\/span><\/li>\n<li style=\"list-style-type: decimal\"><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">Dans la vue en plan ou la vue 3D, d\u00e9signez la position de la dalle. <\/span><span class=\"colour\"><br \/><\/span><\/span><\/li>\n<ol>\n<li style=\"list-style-type: square\"><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">Par d\u00e9faut, &quot;<\/span><\/span><i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">R\u00e9gion de poutres<\/span><\/span><\/i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">&quot; est la m\u00e9thode d&rsquo;insertion. D\u00e9signer une r\u00e9gion ferm\u00e9e entour\u00e9e de poutres et\/ou de voiles suffit pour d\u00e9finir les contours de la dalle. Pour les autres m\u00e9thodes d&rsquo;insertion, consultez les rubriques associ\u00e9es plus loin dans cette section.<\/span><\/span><\/li>\n<\/ol>\n<li style=\"list-style-type: decimal\"><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">Les bords de la dalle sont num\u00e9rot\u00e9s dans le sens antihoraire et affich\u00e9s dans l&rsquo;\u00e9diteur graphique. Le premier bord est le bord inf\u00e9rieur en plan.<\/span><\/span><\/li>\n<\/ol>\n<h1 id=\"Editing_an_Existing_Slab\" class=\"toc_anchors\"><b><span class=\"size\" style=\"font-size: 32px\"><span class=\"colour\">Modification d&rsquo;une dalle existante<\/span><\/span><\/b><span class=\"colour\"><br \/><\/span><\/h1>\n<div><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px\"><span class=\"size\" style=\"font-size: 16px\">Pour modifier une dalle existante :<\/span><\/span><\/span><\/div>\n<ol>\n<li style=\"list-style-type: decimal\"><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px\">S\u00e9lectionnez la dalle.<\/span><\/span><\/li>\n<li style=\"list-style-type: decimal\"><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px\">Faites un clic droit et choisissez \u201c<\/span><\/span><i style=\"font-size: 14px\"><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px\">Propri\u00e9t\u00e9s<\/span><\/span><\/i><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px\">\u201d. (Vous pouvez aussi acc\u00e9der \u00e0 \u201c<\/span><\/span><i style=\"font-size: 14px\"><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px\">Propri\u00e9t\u00e9s<\/span><\/span><\/i><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px\">\u201d en appuyant sur le bouton \u201c<\/span><\/span><i style=\"font-size: 14px\"><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px\">Dalle<\/span><\/span><\/i><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px\">\u201d).<\/span><\/span><\/li>\n<li style=\"list-style-type: decimal\"><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px\">Modifiez les champs tels que &quot;<\/span><\/span><i style=\"font-size: 14px\"><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px\">Libell\u00e9<\/span><\/span><\/i><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px\">&quot;, &quot;<\/span><\/span><i style=\"font-size: 14px\"><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px\">h<\/span><\/span><\/i><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px\">&quot; et\/ou les chargements dans le formulaire &quot;<\/span><\/span><i style=\"font-size: 14px\"><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px\">Propri\u00e9t\u00e9s de la dalle<\/span><\/span><\/i><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px\">&quot;.<\/span><\/span><\/li>\n<li style=\"list-style-type: decimal\"><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px\">Appuyez sur le bouton &quot;<\/span><\/span><i style=\"font-size: 14px\"><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px\">Mettre \u00e0 jour<\/span><\/span><\/i><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px\">&quot; du formulaire.<\/span><\/span><\/li>\n<\/ol>\n<div><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px\">Vous pouvez r\u00e9p\u00e9ter ce processus pour autant d&rsquo;\u00e9l\u00e9ments que n\u00e9cessaire. Cette m\u00e9thode modifie un \u00e9l\u00e9ment \u00e0 la fois. Pour mettre \u00e0 jour plusieurs dalles simultan\u00e9ment, utilisez le &quot;<\/span><\/span><i><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px\">Tableau des dalles<\/span><\/span><\/i><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px\">&quot; via le menu du clic droit.<\/span><\/span><\/div>\n<div><span class=\"colour\"><\/span><\/div>\n<h1 id=\"Insert_Slabs_Automatically\" class=\"toc_anchors\"><span class=\"colour\"><span class=\"size\" style=\"font-size: 32px\">Insertion automatique des dalles<\/span><\/span><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\"><br \/><\/span><\/span><\/h1>\n<div><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px\">Plusieurs dalles peuvent \u00eatre ins\u00e9r\u00e9es automatiquement contre les poutres s\u00e9lectionn\u00e9es.<\/span><\/span><\/div>\n<div><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px\">Pour ins\u00e9rer les dalles automatiquement :<\/span><\/span><\/div>\n<div><span class=\"colour\"><\/span><\/div>\n<ol>\n<li style=\"list-style-type: decimal\"><i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">S\u00e9lectionnez<\/span><\/span><\/i><span><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">&nbsp;<\/span><\/span><\/span><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">toutes les poutres situ\u00e9es au contour des dalles pr\u00e9vues.<\/span><\/span><\/li>\n<li style=\"list-style-type: decimal\"><span class=\"colour\">Cliquez sur l&rsquo;ic\u00f4ne<\/span><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">&nbsp;<\/span><\/span><i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">Propri\u00e9t\u00e9s de la dalle<\/span><\/span><\/i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">&nbsp;et saisissez les donn\u00e9es requises.&nbsp;<\/span><\/span><\/li>\n<li style=\"list-style-type: decimal\"><span class=\"colour\">Cliquez sur<\/span><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">&nbsp;&nbsp;<\/span><i><span class=\"colour\">Ins\u00e9rer les dalles automatiquement&nbsp; <img decoding=\"async\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-ac00c6ed9851ba8eb3f2ef1a139eb97d.png\" style=\"padding: 0px;max-width: 100%\">&nbsp;<\/span><\/i><span class=\"colour\">dans le ruban <\/span><i><span class=\"colour\">&quot;Mod\u00e9lisation&quot;<\/span><\/i><span class=\"colour\"><\/span><i><span class=\"colour\">&nbsp;<\/span><\/i><span class=\"colour\">.&nbsp;<\/span><\/span><span class=\"colour\"><\/span><\/li>\n<\/ol>\n<h1 id=\"Setting_Slab_Types_Automatically\" class=\"toc_anchors\"><span class=\"colour\"><span class=\"size\" style=\"font-size: 32px\">D\u00e9finition automatique des types de dalle<\/span><\/span><br \/><\/h1>\n<p style=\"line-height: 20px;font-style: normal;font-weight: 400;letter-spacing: normal;text-indent: 0px;text-transform: none;white-space: normal\"><span class=\"font\"><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">Les types de dalle servent aux proc\u00e9dures d&rsquo;analyse et de calcul des dalles, par m\u00e9thode analytique ou par coefficients de moment. <\/span><\/span><\/span><\/p>\n<div><span class=\"font\"><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">Utilisez le formulaire \u201c<\/span><\/span><i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">D\u00e9finir automatiquement les types de dalles<\/span><\/span><\/i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">\u201d pour affecter les types de dalles en tenant compte des panneaux adjacents du plan.&nbsp;<\/span><\/span><\/span><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\"><br \/><\/span><\/span><\/div>\n<div><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">Pour lancer cette fonction :&nbsp;<\/span><\/span><\/span><\/div>\n<ol>\n<li style=\"list-style-type: disc\"><span class=\"font\"><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">Faites un clic droit sur le n\u0153ud \u201c<\/span><\/span><i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">Dalles<\/span><\/span><\/i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">\u201d de l&rsquo;\u201c<\/span><\/span><i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">Arbre de structure<\/span><\/span><\/i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">\u201d et s\u00e9lectionnez l&rsquo;option &quot;<\/span><\/span><i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">D\u00e9finir automatiquement les types de dalles<\/span><\/span><\/i><span><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">&nbsp;<\/span><\/span><\/span><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">&quot; du menu. <\/span><\/span><\/span><span class=\"colour\"><br \/><\/span><\/li>\n<ol>\n<li style=\"list-style-type: circle\"><span class=\"font\"><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">La fonction s&rsquo;applique alors \u00e0 tous les panneaux de dalle du mod\u00e8le.<\/span><\/span><\/span><span class=\"colour\"><br \/><\/span><\/li>\n<\/ol>\n<li style=\"list-style-type: disc\"><span class=\"colour\">S\u00e9lectionnez une ou plusieurs dalles, ouvrez le menu contextuel avec le bouton droit de la souris, puis choisissez l&rsquo;option \u201c<\/span><i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">D\u00e9finir automatiquement les types de dalles<\/span><\/span><\/i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">\u201d. <\/span><\/span><span class=\"colour\"><br \/><\/span><\/li>\n<ol>\n<li style=\"list-style-type: circle\"><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">La fonction s&rsquo;applique alors aux panneaux s\u00e9lectionn\u00e9s (ou \u00e0 tous les panneaux si \u201c<\/span><\/span><i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">D\u00e9terminer les types de toutes les dalles de l&rsquo;\u00e9tage<\/span><\/span><\/i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">\u201d est coch\u00e9).<\/span><\/span><span class=\"colour\"><br \/><\/span><\/li>\n<\/ol>\n<\/ol>\n<div><span class=\"colour\">Les types de dalles sont affect\u00e9s lorsque vous appuyez sur le bouton \u201cOK\u201d.<\/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\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-f5562f49377031ad461b982f9c6f27e8.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\">Cette option ne peut pas d\u00e9terminer les types des dalles en console ni des panneaux de dalle de plus de 4 c\u00f4t\u00e9s.<\/span><\/div>\n<div><span class=\"colour\">Voir aussi :&nbsp;<a target=\"_blank\" href=\"https:\/\/support.protasoftware.com\/portal\/en\/kb\/articles\/analytical-strip-moment-coefficient-method-ps-2022\" rel=\"noopener noreferrer\">Bande analytique (m\u00e9thode des coefficients de moment)<\/a><\/span><\/div>\n<p><\/span><\/div>\n<h1 id=\"Slab_Table\" class=\"toc_anchors\"><span class=\"colour\"><span class=\"size\" style=\"font-size: 32px\">Tableau des dalles<\/span><\/span><br \/><\/h1>\n<p style=\"line-height: 20px;font-style: normal;font-weight: 400;letter-spacing: normal;text-indent: 0px;text-transform: none;white-space: normal\"><span class=\"font\"><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">Utilisez le &quot;<\/span><\/span><i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">Tableau des dalles<\/span><\/span><\/i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">&quot; du&nbsp;menu contextuel pour modifier une ou plusieurs dalles existantes. Toutes les cellules du tableau sont modifiables. S\u00e9lectionnez une cellule avec les touches fl\u00e9ch\u00e9es ou la souris, puis modifiez son contenu.<\/span><\/span><\/span><span class=\"size\" style=\"font-size: 16px\"><br \/><\/span><\/p>\n<p style=\"line-height: 20px;font-style: normal;font-weight: 400;letter-spacing: normal;text-indent: 0px;text-transform: none;white-space: normal\"><span class=\"font\"><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">Le bouton &quot;<\/span><\/span><i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">Rechercher<\/span><\/span><\/i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">&quot; permet de trouver un \u00e9l\u00e9ment pr\u00e9cis apr\u00e8s saisie de son rep\u00e8re dans le champ &quot;<\/span><\/span><i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">\u00c9l\u00e9ment<\/span><\/span><\/i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">&quot;.<\/span><\/span><\/span><span class=\"size\" style=\"font-size: 16px\"><br \/><\/span><\/p>\n<p style=\"line-height: 20px;font-style: normal;font-weight: 400;letter-spacing: normal;text-indent: 0px;text-transform: none;white-space: normal\"><span class=\"font\"><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">Fermez cette fen\u00eatre avec le bouton \u201c<\/span><\/span><i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">Fermer<\/span><\/span><\/i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">\u201d. Toutes les modifications faites dans cette fen\u00eatre sont appliqu\u00e9es imm\u00e9diatement.&nbsp;<\/span><\/span><\/span><\/p>\n<div><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px\">Pour plus de d\u00e9tails, consultez cet article :&nbsp;<a target=\"_blank\" href=\"https:\/\/support.protasoftware.com\/portal\/en\/kb\/articles\/displaying-member-properties-12-4-2022\" style=\"cursor: pointer\" rel=\"noopener noreferrer\">Afficher et modifier les propri\u00e9t\u00e9s des \u00e9l\u00e9ments<\/a><\/span><\/span><\/div>\n<h1 class=\"toc_anchors\" id=\"Slab_Load_Decomposition\"><span class=\"colour\"><span class=\"size\" style=\"font-size: 32px\">D\u00e9composition des charges de dalle<\/span><\/span><br \/><\/h1>\n<p style=\"line-height: 20px;font-style: normal;font-weight: 400;letter-spacing: normal;text-indent: 0px;text-transform: none;white-space: normal\"><span class=\"font\"><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">ProtaStructure transf\u00e8re automatiquement les charges des dalles selon la th\u00e9orie des lignes de rupture. La d\u00e9composition des charges de dalle par EF est disponible en option. <\/span><\/span><\/span><\/p>\n<div><span class=\"font\"><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">Pour plus de d\u00e9tails, voir l&rsquo;article :<\/span><\/span><span><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">&nbsp;<\/span><\/span><\/span><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\"><a href=\"https:\/\/support.protasoftware.com\/portal\/en\/kb\/articles\/yield-line-and-fe-load-decomposition-example-6-10-2020\" target=\"_blank\" rel=\"noopener noreferrer\">D\u00e9composition des charges par lignes de rupture et EF, avec exemple<\/a>&nbsp;<\/span><\/span><\/span><span class=\"size\" style=\"font-size: 16px\"><br \/><\/span><\/div>\n<p style=\"line-height: 20px;font-style: normal;font-weight: 400;letter-spacing: normal;text-indent: 0px;text-transform: none;white-space: normal\"><span class=\"font\"><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">Les charges des poutres peuvent \u00eatre consult\u00e9es, modifi\u00e9es ou imprim\u00e9es \u00e0 tout moment. S\u00e9lectionnez une poutre, puis choisissez l&rsquo;option &quot;<\/span><\/span><i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">Modifier les charges de l&rsquo;\u00e9l\u00e9ment<\/span><\/span><\/i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">&quot; du menu contextuel (clic droit).<\/span><\/span><\/span><\/p>\n<h1 class=\"toc_anchors\" id=\"Slab_Properties\"><span class=\"colour\">Propri\u00e9t\u00e9s de la dalle<\/span><br \/><\/h1>\n<div><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\"><img decoding=\"async\" style=\"max-width: 100%;height: auto;padding: 0\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-3d078ccab128cb59a8e4012d8460a7d9.png\"><br \/>&quot;<\/span><\/span><\/span> <i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">Propri\u00e9t\u00e9s de la dalle<\/span><\/span><\/i> <span class=\"colour\"><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">&quot; s&rsquo;ouvre lorsque l&rsquo;option &quot;<\/span><\/span><\/span> <i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">Dalle<\/span><\/span><\/i> <span class=\"colour\"><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">&quot; du ruban &quot;<\/span><i><span class=\"colour\">Mod\u00e9lisation<\/span><\/i><span class=\"colour\">&quot; est s\u00e9lectionn\u00e9e. Pour d\u00e9finir une nouvelle dalle, renseignez les champs du formulaire, puis cliquez sur une ou plusieurs zones d\u00e9limit\u00e9es par des axes dans la fen\u00eatre du plan.<\/span><\/span><\/span> <\/div>\n<p style=\"line-height: 20px;font-style: normal;font-weight: 400;letter-spacing: normal;text-indent: 0px;text-transform: none;white-space: normal\"><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">Le formulaire \u201c<\/span><\/span><\/span><i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">Propri\u00e9t\u00e9s de la dalle<\/span><\/span><\/i><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">\u201d est aussi accessible apr\u00e8s la s\u00e9lection d&rsquo;une dalle existante. Faites un clic droit et choisissez l&rsquo;option \u201c<\/span><\/span><\/span><i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">Propri\u00e9t\u00e9s<\/span><\/span><\/i><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">\u201d du menu contextuel. Vous pouvez s\u00e9lectionner une dalle avec l&rsquo;une des m\u00e9thodes de \u201c<\/span><\/span><\/span><i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">S\u00e9lection des \u00e9l\u00e9ments<\/span><\/span><\/i><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">\u201d d\u00e9crites pr\u00e9c\u00e9demment.<\/span><\/span><\/span><\/p>\n<p style=\"line-height: 20px;font-style: normal;font-weight: 400;letter-spacing: normal;text-indent: 0px;text-transform: none;white-space: normal\"><span class=\"font\"><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">Lorsque le formulaire \u201c<\/span><\/span><i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">Propri\u00e9t\u00e9s de la dalle<\/span><\/span><\/i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">\u201d est ouvert, faites un clic droit sur une autre dalle et choisissez l&rsquo;option \u201c<\/span><\/span><i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">S\u00e9lectionner et charger les propri\u00e9t\u00e9s<\/span><\/span><\/i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">\u201d du menu contextuel. Les propri\u00e9t\u00e9s du nouvel \u00e9l\u00e9ment se chargent alors dans la m\u00eame fen\u00eatre.<\/span><\/span><\/span><span class=\"size\" style=\"font-size: 16px\"><br \/><\/span><\/p>\n<p style=\"line-height: 20px;font-style: normal;font-weight: 400;letter-spacing: normal;text-indent: 0px;text-transform: none;white-space: normal\"><span class=\"font\"><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">Le formulaire &quot;<\/span><\/span><i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">Propri\u00e9t\u00e9s de la dalle<\/span><\/span><\/i><span><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">&nbsp;<\/span><\/span><\/span><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">&quot; comporte deux pages d&rsquo;onglet nomm\u00e9es \u201c<\/span><\/span><i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">G\u00e9n\u00e9ral<\/span><\/span><\/i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">\u201d et \u201c<\/span><\/span><i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">Charges<\/span><\/span><\/i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">\u201d. Passez d&rsquo;une page \u00e0 l&rsquo;autre en cliquant sur l&rsquo;en-t\u00eate d&rsquo;onglet correspondant.<\/span><\/span><\/span><span class=\"size\" style=\"font-size: 16px\"><br \/><\/span><\/p>\n<p style=\"line-height: 20px;font-style: normal;font-weight: 400;letter-spacing: normal;text-indent: 0px;text-transform: none;white-space: normal\"><span class=\"font\"><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">L&rsquo;onglet <b>G\u00e9n\u00e9ral <\/b>comprend les champs suivants :<\/span><\/span><\/span><\/p>\n<h2 class=\"toc_anchors\" id=\"Slab_Label\"><b><span class=\"colour\"><span class=\"size\" style=\"font-size: 24px\">\u00c9tiquette de la dalle<\/span><\/span><\/b><br \/><\/h2>\n<div style=\"text-align: left\" class=\" align-left\"><span class=\"font\"><span class=\"size\" style=\"font-size: 16px\"><span class=\"highlight\"><span class=\"colour\">Saisissez dans ce champ l&rsquo;\u00e9tiquette qui identifie la dalle. Ce champ est limit\u00e9 \u00e0 11 caract\u00e8res (apr\u00e8s mise en forme en \u00e9tiquette valide). Un bouton \u00e0 incr\u00e9ment, \u00e0 droite du champ, facilite la cr\u00e9ation d&rsquo;\u00e9tiquettes successives.<\/span><\/span><\/span><\/span><\/div>\n<div style=\"text-align: left\" class=\" align-left\"><\/div>\n<div style=\"text-align: left\" class=\" align-left\"><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px\">Comme pour tous les types d&rsquo;\u00e9l\u00e9ments, les \u00e9tiquettes des dalles figurent dans l&rsquo;\u201cArborescence de la structure\u201d, sous l&rsquo;\u00e9tage correspondant. Cette liste permet de s\u00e9lectionner un \u00e9l\u00e9ment en cliquant sur son \u00e9tiquette.<\/span><\/span><\/div>\n<div style=\"text-align: left\" class=\" align-left\"><\/div>\n<div style=\"text-align: left\" class=\" align-left\"><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px\">Un b\u00e2timent n&rsquo;admet pas d&rsquo;\u00e9tiquettes d&rsquo;\u00e9l\u00e9ments en double. Lors de l&rsquo;insertion, le programme attribue une nouvelle \u00e9tiquette s&rsquo;il d\u00e9tecte un doublon.<\/span><\/span><\/div>\n<h2 class=\"toc_anchors\" id=\"Slab_Type\"><b><span class=\"colour\"><span class=\"size\" style=\"font-size: 24px\">Type de dalle<\/span><\/span><\/b><br \/><\/h2>\n<p style=\"line-height: 20px;font-style: normal;font-weight: 400;letter-spacing: normal;text-indent: 0px;text-transform: none;white-space: normal\"><span class=\"font\"><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">Les conditions aux limites de la dalle sont d\u00e9termin\u00e9es \u00e0 partir de sa saisie. Les codes &quot;<\/span><\/span><i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">Type de dalle<\/span><\/span><\/i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">&quot; servent au calcul des dalles uniformes par la m\u00e9thode des coefficients de moments.<\/span><\/span><\/span><span class=\"size\" style=\"font-size: 16px\"><br \/><\/span><\/p>\n<p style=\"line-height: 20px;font-style: normal;font-weight: 400;letter-spacing: normal;text-indent: 0px;text-transform: none;white-space: normal\"><span class=\"font\"><\/span><img decoding=\"async\" style=\"padding: 0px;max-width: 100%\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/09\/hc-e8dde3554caf.png\"><span class=\"size\" style=\"font-size: 16px\"><br \/><\/span><\/p>\n<p style=\"line-height: 20px;font-style: normal;font-weight: 400;letter-spacing: normal;text-indent: 0px;text-transform: none;white-space: normal\"><span class=\"font\"><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\"><i><u><b>Types de panneaux de dalle disponibles<\/b><\/u><\/i><\/span><\/span><\/span><span class=\"size\" style=\"font-size: 16px\"><br \/><\/span><\/p>\n<p style=\"line-height: 20px;font-style: normal;font-weight: 400;letter-spacing: normal;text-indent: 0px;text-transform: none;white-space: normal\"><span class=\"font\"><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">Un menu de boutons contenant tous les types possibles s&rsquo;affiche au clic sur ce champ. Choisissez dans ce menu le type correspondant aux conditions aux limites de la dalle.<\/span><\/span><\/span><\/p>\n<div><span class=\"font\"><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\"><b>Type de dalle 1-9<\/b> :&nbsp; Ce type sert \u00e0 d\u00e9finir la continuit\u00e9 des bords de la dalle, c&rsquo;est-\u00e0-dire la pr\u00e9sence ou non d&rsquo;une dalle adjacente. Cette information est n\u00e9cessaire au calcul de la dalle par la m\u00e9thode analytique \/ des coefficients de moments. Elle n&rsquo;influence pas le calcul de la charge de dalle sur les poutres.&nbsp;<\/span><\/span><\/span><span class=\"size\" style=\"font-size: 16px\"><br \/><\/span><\/div>\n<p style=\"line-height: 20px;font-style: normal;font-weight: 400;letter-spacing: normal;text-indent: 0px;text-transform: none;white-space: normal\"><span class=\"font\"><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\"><b>Le type de dalle 12 <\/b>est r\u00e9serv\u00e9 aux &quot;<\/span><\/span><i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">Dalles en console<\/span><\/span><\/i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">\u201d rectangulaires. Il est aussi utilis\u00e9 par les bandes de dalle en \u00e9l\u00e9ments finis.&nbsp;<\/span><\/span><\/span><span class=\"size\" style=\"font-size: 16px\"><br \/><\/span><\/p>\n<p style=\"line-height: 20px;font-style: normal;font-weight: 400;letter-spacing: normal;text-indent: 0px;text-transform: none;white-space: normal\"><span class=\"font\"><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\"><img decoding=\"async\" data-zdeskdocselectedclass=\"original\" class=\"docsimage\" data-zdeskdocid=\"img_9244591218434977\" style=\"padding: 0px;max-width: 100%\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/09\/hc-76e368f8a020.png\">&nbsp;Ce type de dalle sert \u00e0 mod\u00e9liser les dalles portant dans un seul sens : la charge n&rsquo;est transf\u00e9r\u00e9e qu&rsquo;\u00e0 deux poutres parall\u00e8les.&nbsp; Les dalles pr\u00e9fabriqu\u00e9es, dont deux bords parall\u00e8les ne transmettent pas de charge au syst\u00e8me, entrent dans cette cat\u00e9gorie.&nbsp; La direction de port\u00e9e se saisit dans le champ &quot;Angle de calcul&quot; ci-dessous.&nbsp;<\/span><\/span><\/span><\/p>\n<div>\n<div><span style=\"margin: 10px 0px;position: relative;padding: 10px 10px 10px 40px\" class=\"KB_New_Editor_Highlights\"><img decoding=\"async\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-0bf0bea455092d6fa9b950dabe5eaa80.png\" data-type=\"non-resize\" style=\"position: absolute;left: 12px;top: 14px;width: 15px\" data-image=\"contentStyle\" alt=\"Notes\"><\/p>\n<div><span class=\"colour\">Pour l&rsquo;analyse de plancher par \u00e9l\u00e9ments finis d&rsquo;une dalle portant dans un seul sens, consultez cet article <\/span>:&nbsp;<a target=\"_blank\" href=\"https:\/\/support.protasoftware.com\/portal\/en\/kb\/articles\/one-way-slabs-with-orthotropic-shell-elements\" rel=\"noopener noreferrer\">Dalles portant dans un seul sens avec \u00e9l\u00e9ments coque orthotropes<\/a><\/div>\n<p><\/span><\/div>\n<\/div>\n<div>\n<div>\n<div><b><span class=\"colour\"><span class=\"size\" style=\"font-size: 24px\">\u00c9paisseur de la dalle (h)<\/span><\/span><\/b><\/div>\n<\/div>\n<\/div>\n<p style=\"line-height: 20px;font-style: normal;font-weight: 400;letter-spacing: normal;text-indent: 0px;text-transform: none;white-space: normal\"><span class=\"font\"><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">Vous pouvez saisir l&rsquo;\u00e9paisseur de la dalle (&quot;<\/span><\/span><i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">h<\/span><\/span><\/i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">&quot;) dans ce champ. La valeur de l&rsquo;\u00e9paisseur appara\u00eet dans la fen\u00eatre de plan. Si l&rsquo;\u00e9paisseur est inf\u00e9rieure \u00e0 l&rsquo;\u00e9paisseur minimale requise, le programme \u00e9met une alarme sonore. Une note d&rsquo;avertissement s&rsquo;affiche alors dans la barre d&rsquo;\u00e9tat.<\/span><\/span><\/span><\/p>\n<h2 id=\"Relative_Level\" class=\"toc_anchors\"><b><span class=\"colour\"><span class=\"size\" style=\"font-size: 24px\">Niveau relatif<\/span><\/span><\/b><br \/><\/h2>\n<p style=\"line-height: 20px\"><span class=\"font\"><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">Ce&nbsp;<\/span><\/span><\/span><span><span class=\"colour\">champ permet de d\u00e9finir le niveau sup\u00e9rieur relatif de la dalle. Selon que la valeur saisie est n\u00e9gative ou positive, la dalle est abaiss\u00e9e ou sur\u00e9lev\u00e9e par rapport au niveau sup\u00e9rieur d&rsquo;\u00e9tage par d\u00e9faut.&nbsp;&nbsp;<\/span><\/span><span class=\"colour\">Vous pouvez donc d\u00e9finir des syst\u00e8mes de dalles \u00e0 altitudes diff\u00e9rentes.&nbsp;&nbsp;<\/span><\/p>\n<div><span class=\"colour\">Sur le plan analytique, le diaphragme de dalle se forme toujours au niveau sup\u00e9rieur de l&rsquo;\u00e9tage, quelle que soit la valeur du Niveau relatif.&nbsp;<\/span><\/div>\n<h3 id=\"Apply_Z_to_Analytical_Model\" class=\"toc_anchors\"><span><span class=\"colour\">Appliquer Z au mod\u00e8le analytique<\/span><\/span><\/h3>\n<div><span class=\"colour\"><span class=\"colour\">Cocher cette option force le diaphragme de dalle \u00e0 suivre la valeur du &quot;Niveau relatif&quot; dans l&rsquo;analyse.&nbsp; Cette option peut \u00eatre pr\u00e9f\u00e9rable si :&nbsp;<br \/><\/span><\/span><\/div>\n<ol>\n<li style=\"list-style-type: square\"><span class=\"colour\"><span class=\"colour\">La diff\u00e9rence de niveau est importante par rapport aux dalles adjacentes.&nbsp;<br \/><\/span><\/span><\/li>\n<li style=\"list-style-type: square\"><span class=\"colour\">Vous&nbsp;<\/span><span>souhaitez mailler la dalle dans l&rsquo;analyse du b\u00e2timent et repr\u00e9senter pr\u00e9cis\u00e9ment son niveau. Voir : <\/span><a target=\"_blank\" href=\"https:\/\/support.protasoftware.com\/portal\/en\/kb\/articles\/model-options#Include_Slabs_in_Building_Model_-_Finite_Elements_Mesh\" rel=\"noopener noreferrer\">Inclure les dalles dans le mod\u00e8le du b\u00e2timent &#8211; Maillage par \u00e9l\u00e9ments finis<\/a><span><br \/><\/span><\/li>\n<\/ol>\n<h2 class=\"toc_anchors\" id=\"Concrete_Cover\"><b><span class=\"colour\"><span class=\"size\" style=\"font-size: 24px\">Enrobage du b\u00e9ton<\/span><\/span><\/b><br \/><\/h2>\n<p style=\"line-height: 20px;font-style: normal;font-weight: 400;letter-spacing: normal;text-indent: 0px;text-transform: none;white-space: normal\"><span class=\"font\"><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">Ce champ permet de sp\u00e9cifier l&rsquo;enrobage nominal, mesur\u00e9 de la face de la barre au bord de la dalle. La<\/span><\/span><span><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">&nbsp;<\/span><\/span><\/span><u><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">hauteur utile<\/span><\/span><\/u><span><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">&nbsp;<\/span><\/span><\/span><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">de la dalle est calcul\u00e9e \u00e0 partir de cet enrobage, du diam\u00e8tre des barres et du num\u00e9ro de lit des armatures tendues.<\/span><\/span><\/span><span class=\"size\" style=\"font-size: 16px\"><br \/><\/span><\/p>\n<p style=\"line-height: 20px;font-style: normal;font-weight: 400;letter-spacing: normal;text-indent: 0px;text-transform: none;white-space: normal\"><span class=\"font\"><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">Un contr\u00f4le global des enrobages nominaux est possible via l&rsquo;onglet &nbsp;&quot;<i>Implantation du b\u00e2timent<\/i>&quot; &gt;&nbsp;<\/span><\/span><\/span><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">&quot;<\/span><\/span><i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">Centre de param\u00e8tres<\/span><\/span><\/i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">&quot; &gt; &quot;Dalle&quot; &gt; &quot;Calcul&quot; &gt; &quot;Param\u00e8tres&quot;<\/span>.<\/span><\/p>\n<h2 class=\"toc_anchors\" id=\"Label_Position\"><b style=\"font-size: 15px\"><span class=\"colour\"><span class=\"size\" style=\"font-size: 24px\">Position de l&rsquo;\u00e9tiquette<\/span><\/span><\/b><\/h2>\n<div><span class=\"size\" style=\"font-size: 16px\"><b><span class=\"colour\"><img decoding=\"async\" style=\"padding: 0px;max-width: 100%\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/09\/hc-a46ebe00087a.png\"><\/span><\/b><\/span> <\/div>\n<p style=\"line-height: 20px;font-style: normal;font-weight: 400;letter-spacing: normal;text-indent: 0px;text-transform: none;white-space: normal\"><span class=\"font\"><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">L&rsquo;\u00e9tiquette de dalle est plac\u00e9e par d\u00e9faut au centre de la dalle. Sa position varie selon le bouton choisi. Le cercle rouge du bouton repr\u00e9sente la position de l&rsquo;\u00e9tiquette.<\/span><\/span><\/span><\/p>\n<h2 class=\"toc_anchors\" id=\"Design_Angle\"><b><span class=\"colour\"><span class=\"size\" style=\"font-size: 24px\">Angle de calcul<\/span><\/span><\/b><br \/><\/h2>\n<p style=\"line-height: 20px;font-style: normal;font-weight: 400;letter-spacing: normal;text-indent: 0px;text-transform: none;white-space: normal\"><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">L&rsquo;angle d\u00e9finit la direction de transfert des charges lorsqu&rsquo;un type de dalle unidirectionnelle&nbsp;<\/span><\/span><img decoding=\"async\" style=\"font-size: 16px;padding: 0px;max-width: 100%\" data-zdeskdocselectedclass=\"original\" class=\"docsimage\" data-zdeskdocid=\"img_9244591218434977\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/09\/hc-76e368f8a020.png\"><span><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">&nbsp;est utilis\u00e9.&nbsp;&nbsp;<\/span><\/span><\/span><\/p>\n<div><span class=\"colour\">L&rsquo;angle d\u00e9finit aussi la direction de l&rsquo;armature principale dans l&rsquo;analyse de dalles par \u00e9l\u00e9ments finis :&nbsp;<\/span><\/div>\n<ol>\n<li style=\"list-style-type: disc\"><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">Les courbes de moment \u00ab&nbsp;<\/span><\/span><i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">M1<\/span><\/span><\/i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">&nbsp;\u00bb et de moment de calcul \u00ab&nbsp;<\/span><\/span><i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">M1d<\/span><\/span><\/i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">&nbsp;\u00bb de la dalle sont g\u00e9n\u00e9r\u00e9es selon cette direction dans la fen\u00eatre de post-traitement du mod\u00e8le de plancher par \u00e9l\u00e9ments finis. <\/span><\/span><\/li>\n<li style=\"list-style-type: disc\"><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">Les courbes \u00ab&nbsp;<\/span><\/span><i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">M2<\/span><\/span><\/i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">&nbsp;\u00bb et \u00ab&nbsp;<\/span><\/span><i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">M2d<\/span><\/span><\/i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">&nbsp;\u00bb sont g\u00e9n\u00e9r\u00e9es perpendiculairement \u00e0 la direction d\u00e9finie par cet angle global.<\/span><\/span><\/li>\n<\/ol>\n<p style=\"line-height: 20px;font-style: normal;font-weight: 400;letter-spacing: normal;text-indent: 0px;text-transform: none;white-space: normal\"><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">La direction d\u00e9finie par le champ \u00ab&nbsp;<\/span><\/span><i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">Angle<\/span><\/span><\/i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">&nbsp;\u00bb est mesur\u00e9e en degr\u00e9s, dans le sens antihoraire, l&rsquo;axe x positif valant 0.<\/span><\/span><\/p>\n<h2 class=\"toc_anchors\" id=\"Slab_Insertion_Methods\"><span class=\"colour\"><span class=\"size\" style=\"font-size: 32px\"><span class=\"size\" style=\"font-size: 24px\">M\u00e9thodes d&rsquo;insertion de dalle<\/span><\/span><\/span><\/h2>\n<div>\n<p style=\"font-weight: 400;line-height: 20px\"><span class=\"size\" style=\"font-size: 15px\"><span class=\"colour\">Une dalle standard peut \u00eatre ins\u00e9r\u00e9e dans une r\u00e9gion d\u00e9limit\u00e9e par des poutres ou par des axes. Les m\u00e9thodes d&rsquo;insertion sont accessibles en cliquant sur le bouton de menu d\u00e9roulant.<\/span><span class=\"size\" style=\"font-size: 16px\"><br \/><\/span><\/span><\/p>\n<p style=\"font-weight: 400;line-height: 20px\"><span class=\"size\" style=\"font-size: 15px\"><img decoding=\"async\" style=\"padding: 0px;max-width: 100%\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/09\/hc-932851be393b.png\"><br \/><\/span><\/p>\n<div style=\"font-size: 15px;font-weight: 400\"><span style=\"margin: 10px 0px;position: relative;padding: 10px 10px 10px 40px\" class=\"KB_New_Editor_Highlights\"><img decoding=\"async\" alt=\"Notes\" style=\"position: absolute;left: 12px;top: 14px;width: 15px;max-width: 100%\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-74433a777dbfd440894b4f2b31a54104.png\" data-type=\"non-resize\" data-image=\"contentStyle\"><\/p>\n<div><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">Les m\u00e9thodes ci-dessus ne s&rsquo;appliquent pas \u00e0 l&rsquo;insertion de dalles en console<\/span><\/span>.<\/div>\n<p><\/span><\/div>\n<\/div>\n<h3 class=\"toc_anchors\" id=\"Axis_Region\"><b><span class=\"colour\"><span class=\"size\" style=\"font-size: 18px\">R\u00e9gion d&rsquo;axes<\/span><\/span><\/b><br \/><\/h3>\n<div><span class=\"colour\">L<\/span><span><span class=\"colour\">orsque la m\u00e9thode &quot;R\u00e9gion d&rsquo;axes&nbsp;&quot; est s\u00e9lectionn\u00e9e pour l&rsquo;insertion de la dalle, il suffit de d\u00e9signer un point entour\u00e9 d&rsquo;axes pour d\u00e9finir les axes d&rsquo;insertion.<\/span><\/span><\/div>\n<div><span class=\"colour\">S&rsquo;il existe plusieurs r\u00e9gions (entour\u00e9es d&rsquo;axes) dans un panneau de dalle, maintenez la touche &quot;Ctrl&quot; enfonc\u00e9e tout en d\u00e9signant les points successifs : <\/span><\/div>\n<ol>\n<li style=\"list-style-type: disc\"><span class=\"colour\">Les r\u00e9gions doivent \u00eatre s\u00e9lectionn\u00e9es une par une, chaque fois \u00e0 c\u00f4t\u00e9 de la pr\u00e9c\u00e9dente. <\/span><\/li>\n<li style=\"list-style-type: disc\"><span class=\"colour\">L&rsquo;insertion de la dalle se termine au rel\u00e2chement de la touche &quot;Ctrl&quot;.<\/span><\/li>\n<\/ol>\n<div><\/div>\n<div><img decoding=\"async\" style=\"padding: 0px;max-width: 100%;width: 598px;height: auto\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/09\/hc-d19f1b215d1e.png\" data-zdeskdocid=\"img_7739137958965443\" class=\"docsimage\" data-zdeskdocselectedclass=\"original\"><\/div>\n<div><span><i><span class=\"colour\">Insertion de dalle avec &quot;R\u00e9gion d&rsquo;axes&quot;<\/span><\/i><\/span><\/div>\n<ol>\n<li style=\"list-style-type: disc\"><span class=\"colour\">La r\u00e9partition des charges vers les poutres adjacentes (lignes de rupture) s&rsquo;affiche aussi si &quot;Ctrl&quot; est utilis\u00e9 pendant l&rsquo;insertion. Cela vaut m\u00eame s&rsquo;il n&rsquo;y a qu&rsquo;une seule r\u00e9gion dans la zone de dalle.<br \/><\/span><\/li>\n<li style=\"list-style-type: disc\"><span class=\"colour\">Les axes d&rsquo;insertion apparaissent dans le cadre &quot;Axes d&rsquo;insertion&quot; pendant la s\u00e9lection. Ils sont class\u00e9s dans le sens antihoraire, \u00e0 partir du bord inf\u00e9rieur gauche de la dalle<\/span>.<\/li>\n<\/ol>\n<h3 id=\"Beam_Region_Default\" class=\"toc_anchors\"><b><span class=\"colour\"><span class=\"size\" style=\"font-size: 18px\">R\u00e9gion de poutres (par d\u00e9faut)<\/span><\/span><\/b><br \/><\/h3>\n<div>\n<div><span><span class=\"colour\">C&rsquo;est la m\u00e9thode d&rsquo;insertion la plus simple. Elle convient lorsque la dalle est enti\u00e8rement entour\u00e9e de poutres et\/ou de voiles. Il suffit de s\u00e9lectionner une zone ferm\u00e9e (entour\u00e9e de poutres et\/ou de voiles) pour ins\u00e9rer la dalle.<\/span><\/span><\/div>\n<p style=\"font-weight: 400;line-height: 20px\"><span class=\"size\" style=\"font-size: 15px\"><span class=\"font\"><\/span><img decoding=\"async\" style=\"padding: 0px;max-width: 100%\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/09\/hc-2fb84383b6da.png\"><span class=\"size\" style=\"font-size: 16px\"><br \/><\/span><\/span><\/p>\n<p style=\"font-weight: 400;line-height: 20px\"><span class=\"size\" style=\"font-size: 15px\"><span class=\"font\"><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\"><i>Insertion de dalle avec &quot;R\u00e9gion de poutres&quot;<\/i><\/span><\/span><\/span><\/span><\/p>\n<\/div>\n<h3 class=\"toc_anchors\" id=\"Pick_Axis\"><b><span class=\"size\" style=\"font-size: 18px\"><span class=\"colour\">S\u00e9lection d&rsquo;axes<\/span><\/span><\/b><br \/><\/h3>\n<div>\n<p style=\"font-weight: 400;line-height: 20px\"><span class=\"size\" style=\"font-size: 15px\"><span class=\"colour\">La m\u00e9thode &quot;S\u00e9lection d&rsquo;axes&quot; est la troisi\u00e8me m\u00e9thode de d\u00e9finition d&rsquo;une dalle. Elle permet de d\u00e9finir la dalle en s\u00e9lectionnant les axes qui l&rsquo;entourent.<\/span><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\"><br \/><\/span><\/span><\/span><\/p>\n<div><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">Pour ins\u00e9rer une nouvelle dalle avec cette m\u00e9thode : <\/span><\/span><span class=\"colour\"><br \/><\/span><\/div>\n<ol>\n<li style=\"list-style-type: disc\"><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">Choisissez d&rsquo;abord \u201c<\/span><\/span><i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">S\u00e9lection d&rsquo;axes<\/span><\/span><\/i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">\u201d. S\u00e9lectionnez ensuite les axes dans l&rsquo;ordre voulu (sens horaire ou antihoraire), \u00e0 partir de n&rsquo;importe quel axe. Res\u00e9lectionnez enfin le premier axe d\u00e9sign\u00e9 pour terminer l&rsquo;insertion. <\/span><\/span><span class=\"colour\"><br \/><\/span><\/li>\n<li style=\"list-style-type: disc\"><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">La nouvelle dalle est ins\u00e9r\u00e9e dans la r\u00e9gion entour\u00e9e par les axes s\u00e9lectionn\u00e9s. <\/span><\/span><span class=\"colour\"><br \/><\/span><\/li>\n<li style=\"list-style-type: disc\"><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">Les axes d&rsquo;insertion du cadre &quot;<\/span><\/span><i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">Insertion de dalle<\/span><\/span><\/i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">&quot; doivent ensuite \u00eatre effac\u00e9s en cliquant sur &quot;Supprimer tous les axes&quot;. Vous pouvez alors d\u00e9finir une nouvelle dalle.<\/span><\/span><\/li>\n<\/ol>\n<div><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">Cette m\u00e9thode convient lorsque les autres (surtout \u201c<\/span><\/span><i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">R\u00e9gion de poutres<\/span><\/span><\/i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">\u201d ou \u201c<\/span><\/span><i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">R\u00e9gion d&rsquo;axes<\/span><\/span><\/i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">\u201d) sont difficiles \u00e0 appliquer.<\/span><\/span><\/div>\n<\/div>\n<h3 class=\"toc_anchors\" id=\"Pick_Points\"><b><span class=\"colour\"><span class=\"size\" style=\"font-size: 18px\">S\u00e9lection de points<\/span><\/span><\/b><br \/><\/h3>\n<div><span class=\"colour\">La m\u00e9thode &quot;S\u00e9lection de points&quot; est la quatri\u00e8me m\u00e9thode de d\u00e9finition d&rsquo;une dalle. Elle permet de d\u00e9finir la dalle en s\u00e9lectionnant les intersections d&rsquo;axes sur son pourtour. Pour les contours simples, elle demande un clic de moins par dalle que l&rsquo;option \u201cS\u00e9lection d&rsquo;axes\u201d.<\/span><\/div>\n<div><span class=\"colour\">Pour ins\u00e9rer une nouvelle dalle avec cette m\u00e9thode : <br \/><\/span><\/div>\n<ol>\n<li style=\"list-style-type: disc\"><span class=\"colour\">Apr\u00e8s avoir appuy\u00e9 sur le bouton \u201cInsertion\u201d de la fen\u00eatre &quot;Propri\u00e9t\u00e9s de la dalle&quot;, choisissez la m\u00e9thode \u201cS\u00e9lection de points\u201d.&nbsp; <br \/><\/span><\/li>\n<li style=\"list-style-type: disc\"><span class=\"colour\">S\u00e9lectionnez une intersection d&rsquo;axes. Continuez ensuite avec les intersections suivantes, tout autour de la dalle. <br \/><\/span><\/li>\n<li style=\"list-style-type: disc\"><span class=\"colour\">La dalle est ins\u00e9r\u00e9e d\u00e8s que vous cliquez sur une intersection dont un axe revient au point de d\u00e9part.<br \/><\/span><\/li>\n<\/ol>\n<div><span class=\"colour\"><span class=\"colour\">Cette m\u00e9thode efficace convient lorsque les autres (surtout \u201cR\u00e9gion de poutres\u201d ou \u201cR\u00e9gion d&rsquo;axes\u201d) sont difficiles \u00e0 appliquer.<\/span><\/span><\/div>\n<div>\n<div style=\"font-size: 15px;font-weight: 400\"><span style=\"margin: 10px 0px;position: relative;padding: 10px 10px 10px 40px\" class=\"KB_New_Editor_Highlights\"><img decoding=\"async\" alt=\"Notes\" style=\"position: absolute;left: 12px;top: 14px;width: 15px;max-width: 100%\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-74433a777dbfd440894b4f2b31a54104.png\" data-type=\"non-resize\" data-image=\"contentStyle\"><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">En cas d&rsquo;erreur avec cette m\u00e9thode, appuyez sur le bouton \u201c<\/span><\/span><i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">Supprimer tous les axes<\/span><\/span><\/i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">\u201d pour effacer tous les axes d\u00e9j\u00e0 d\u00e9finis. Vous pouvez alors reprendre la d\u00e9finition de la dalle.<\/span><\/span><\/span><\/div>\n<\/div>\n<h3 id=\"Pick_Closed_Slab_Edge\" class=\"toc_anchors\"><b style=\"font-size: 16px\"><span class=\"size\" style=\"font-size: 18px\"><span class=\"colour\">S\u00e9lection de contour ferm\u00e9 de dalle<\/span><\/span><\/b><span class=\"colour\"><br \/><\/span><\/h3>\n<div><span class=\"colour\">La m\u00e9thode &quot;S\u00e9lection de contour ferm\u00e9 de dalle&quot; est la cinqui\u00e8me m\u00e9thode de d\u00e9finition d&rsquo;une dalle.&nbsp;&nbsp;Elle permet de d\u00e9finir la dalle en s\u00e9lectionnant une polyligne ferm\u00e9e. Pour les contours simples, elle ne demande qu&rsquo;un seul clic, contre plusieurs pour les autres m\u00e9thodes.<br \/><\/span><\/div>\n<div><span class=\"colour\">Pour ins\u00e9rer une dalle avec cette m\u00e9thode, une polyligne ferm\u00e9e doit \u00eatre cr\u00e9\u00e9e avant l&rsquo;insertion.<br \/><\/span><\/div>\n<div><span class=\"colour\">Cette m\u00e9thode ressemble \u00e0 la m\u00e9thode d&rsquo;insertion &quot;R\u00e9gion de poutres&quot;. Les diff\u00e9rences entre &quot;R\u00e9gion de poutres&quot; et &quot;S\u00e9lection de contour ferm\u00e9 de dalle&quot; sont les suivantes :<br \/><\/span><\/div>\n<div>\n<ol style=\"font-size: 15px;font-weight: 400\">\n<li style=\"list-style-type: decimal\"><span class=\"colour\">&quot;S\u00e9lection de contour ferm\u00e9 de dalle&quot;&nbsp;exige une polyligne enti\u00e8rement ferm\u00e9e. &quot;R\u00e9gion de poutres&quot; peut cr\u00e9er la dalle \u00e0 partir de polylignes seules, de poutres seules ou des deux.<br \/><\/span><\/li>\n<li style=\"list-style-type: decimal\"><span class=\"colour\">&quot;S\u00e9lection de contour ferm\u00e9 de dalle&quot; cr\u00e9e la dalle \u00e0 partir d&rsquo;une seule [1] polyligne ferm\u00e9e s\u00e9lectionn\u00e9e. &quot;R\u00e9gion de poutres&quot; la cr\u00e9e \u00e0 partir de plusieurs polylignes (en soustrayant la r\u00e9gion superpos\u00e9e).&nbsp;<br \/>L&rsquo;exemple ci-dessous montre une polyligne triangulaire s\u00e9lectionn\u00e9e pour ins\u00e9rer la dalle :<\/span><span class=\"colour\"><br \/><\/span><img decoding=\"async\" style=\"padding: 0px;max-width: 100%;width: 577px;height: auto\" data-zdeskdocselectedclass=\"best\" class=\"docsimage\" data-zdeskdocid=\"img_15771621637417899\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/09\/hc-e22ebb30a127.png\"><span class=\"colour\"><br \/><\/span><\/li>\n<\/ol>\n<div style=\"font-size: 15px;font-weight: 400\"><span class=\"colour\">&quot;S\u00e9lection de contour ferm\u00e9 de dalle&quot; est utile pour cr\u00e9er une dalle \u00e0 partir d&rsquo;une seule polyligne. C&rsquo;est le cas lorsque de nombreuses polylignes se superposent dans la vue en plan.&nbsp;<\/span><\/div>\n<\/div>\n<h1 id=\"Loads_tab\" class=\"toc_anchors\"><span class=\"colour\">Onglet Charges<\/span><\/h1>\n<div><img decoding=\"async\" style=\"max-width: 100%;height: auto;padding: 0\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-e4bbf1c67ef5a1a2a9584f74d8776d3d.png\"><\/div>\n<div><span class=\"colour\"><br \/><\/span><\/div>\n<div><span class=\"colour\">L&rsquo;onglet Charges comprend les champs suivants :&nbsp;<\/span><\/div>\n<h2 class=\"toc_anchors\" id=\"Self_Weight\"><b style=\"font-size: 16px\"><span class=\"size\" style=\"font-size: 18px\"><span class=\"colour\">Poids propre<\/span><\/span><\/b><span class=\"colour\"><br \/><\/span><\/h2>\n<div><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">Le poids propre (par unit\u00e9 de surface) de la dalle est calcul\u00e9 automatiquement. Il utilise le &quot;<\/span><\/span><i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">Poids volumique du b\u00e9ton<\/span><\/span><\/i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">&quot; d\u00e9fini dans la section &quot;<\/span><\/span><i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">Mat\u00e9riaux<\/span><\/span><\/i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">&quot; et l&rsquo;&quot;<\/span><\/span><i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">\u00c9paisseur de la dalle<\/span><\/span><\/i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">&quot;.<\/span><\/span><\/div>\n<div><span class=\"font\"><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">La valeur calcul\u00e9e ne peut pas \u00eatre modifi\u00e9e manuellement.&nbsp;<\/span><\/span><\/span><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">Pour n\u00e9gliger les poids propres des \u00e9l\u00e9ments, mettez \u00e0 z\u00e9ro le &quot;<\/span><\/span><i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">Poids volumique du b\u00e9ton<\/span><\/span><\/i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">&quot; d\u00e9fini dans la section &quot;<\/span><\/span><i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">Param\u00e8tres du projet<\/span><\/span><\/i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">&quot;. Vous pouvez aussi saisir dans ce champ une valeur n\u00e9gligeable (tr\u00e8s faible) de &quot;Poids propre&quot;.<\/span><\/span><\/div>\n<div><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">Sinon, vous pouvez compenser la charge de la dalle en ajustant manuellement le champ &quot;Charge permanente&quot;.<\/span><\/span><\/span><\/div>\n<h2 id=\"Dead_Load_Additional\" class=\"toc_anchors\"><b><span class=\"size\" style=\"font-size: 18px\"><span class=\"colour\">Charge permanente (additionnelle)<\/span><\/span><\/b><br \/><\/h2>\n<p style=\"line-height: 20px;font-style: normal;font-weight: 400;letter-spacing: normal;text-indent: 0px;text-transform: none;white-space: normal\"><span class=\"font\"><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">Le poids calcul\u00e9 (par unit\u00e9 de surface) dans le champ ci-dessus n&rsquo;inclut aucun rev\u00eatement additionnel. Pour ajouter des poids tels que l&rsquo;enduit de plafond, le faux plafond ou les finitions de sol, utilisez le champ &quot;<\/span><\/span><i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">Charge permanente<\/span><\/span><\/i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">&quot; sous l&rsquo;onglet &quot;<i>Charges&quot;<\/i>&nbsp;.<\/span><\/span><\/span><\/p>\n<h2 id=\"Imposed__Live_Load\" class=\"toc_anchors\"><b><span class=\"size\" style=\"font-size: 18px\"><span class=\"colour\">Charge d&rsquo;exploitation<\/span><\/span><\/b><br \/><\/h2>\n<p style=\"line-height: 20px;font-style: normal;font-weight: 400;letter-spacing: normal;text-indent: 0px;text-transform: none;white-space: normal\"><span class=\"font\"><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">Ce champ permet de d\u00e9finir les charges d&rsquo;exploitation (par unit\u00e9 de surface) appliqu\u00e9es \u00e0 la dalle. Un clic droit sur ce champ donne acc\u00e8s aux charges d&rsquo;exploitation standard d\u00e9finies dans les normes.<\/span><\/span><\/span><\/p>\n<h2 id=\"Slab_Does_Not_Contribute_To_Floor_Diaphragm\" class=\"toc_anchors\"><b style=\"font-size: 16px\"><span class=\"colour\"><span class=\"size\" style=\"font-size: 18px\">La dalle ne participe pas au diaphragme de plancher<\/span><\/span><\/b><\/h2>\n<p style=\"line-height: 20px;font-style: normal;font-weight: 400;letter-spacing: normal;text-indent: 0px;text-transform: none;white-space: normal\"><span class=\"font\"><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">Dans l&rsquo;analyse des b\u00e2timents, les dalles sont g\u00e9n\u00e9ralement consid\u00e9r\u00e9es comme infiniment rigides dans leur plan. Elles forment alors un diaphragme rigide.<\/span><\/span><\/span><span class=\"size\" style=\"font-size: 16px\"><br \/><\/span><\/p>\n<p style=\"line-height: 20px;font-style: normal;font-weight: 400;letter-spacing: normal;text-indent: 0px;text-transform: none;white-space: normal\"><span class=\"font\"><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">Si \u201c<\/span><\/span><i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">La dalle ne participe pas au diaphragme de plancher<\/span><\/span><\/i><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">\u201d est coch\u00e9e, cette dalle ne participe pas \u00e0 l&rsquo;action de diaphragme rigide.&nbsp;<\/span><\/span><\/span><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px\">Tous les n\u0153uds li\u00e9s aux angles de cette dalle se d\u00e9placent alors ind\u00e9pendamment du diaphragme rigide.<\/span><\/span><\/p>\n<div><span class=\"colour\">Pour contr\u00f4ler enti\u00e8rement la formation des diaphragmes \u00e0 l&rsquo;\u00e9chelle d&rsquo;un \u00e9tage, utilisez \u201cOptions de mod\u00e9lisation\u201d dans la fen\u00eatre \u201cAnalyse du b\u00e2timent\u201d du ruban \u201cAnalyse\u201d. Voir<\/span><span class=\"font\"><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\">&nbsp;:&nbsp;&nbsp;<\/span><a href=\"https:\/\/support.protasoftware.com\/portal\/en\/kb\/articles\/diaphragm-modelling-example\" target=\"_blank\" rel=\"noopener noreferrer\"><span class=\"colour\">Exemple de mod\u00e9lisation d&rsquo;un diaphragme<\/span><\/a><\/span><\/span><\/div>\n<h1 id=\"Creating_of_Rectangular_Cantilever_Slab\" class=\"toc_anchors\"><b><span class=\"colour\"><span class=\"size\" style=\"font-size: 32px\">Cr\u00e9ation d&rsquo;une dalle console rectangulaire<\/span><\/span><\/b><br \/><\/h1>\n<div><span class=\"colour\">U<\/span><span><span class=\"colour\">ne dalle console rectangulaire se cr\u00e9e en choisissant &quot;Type&quot; = 12, selon les \u00e9tapes suivantes :&nbsp;<\/span><\/span><\/div>\n<ol>\n<li style=\"list-style-type: decimal\"><span class=\"colour\">Cliquez sur l&rsquo;ic\u00f4ne&nbsp;Dalle&nbsp;et choisissez&nbsp;<b>Type =&nbsp;12<\/b>.&nbsp;<br \/><\/span><\/li>\n<li style=\"list-style-type: decimal\"><span class=\"colour\">Ouvrez l&rsquo;onglet Console et saisissez les valeurs, par exemple la longueur de la console.&nbsp;<br \/><\/span><\/li>\n<li style=\"list-style-type: decimal\"><span class=\"colour\">Choisissez la premi\u00e8re&nbsp;intersection d&rsquo;axes pour d\u00e9finir le d\u00e9but de la dalle console (c&rsquo;est-\u00e0-dire le n\u0153ud &quot;I&quot; de la poutre porteuse)<br \/><\/span><\/li>\n<li style=\"list-style-type: decimal\"><span class=\"colour\">Choisissez le deuxi\u00e8me&nbsp;point pour d\u00e9finir la fin de la dalle console (c&rsquo;est-\u00e0-dire le n\u0153ud &quot;J&quot; de la poutre porteuse)&nbsp;<br \/><\/span><\/li>\n<li style=\"list-style-type: decimal\"><span class=\"colour\">D\u00e9placez le curseur&nbsp;du c\u00f4t\u00e9 o\u00f9 la dalle doit \u00eatre ins\u00e9r\u00e9e (un aper\u00e7u gris s&rsquo;affiche)<br \/><\/span><\/li>\n<li style=\"list-style-type: decimal\"><span class=\"colour\">Choisissez le troisi\u00e8me&nbsp;point pour confirmer et ins\u00e9rer la dalle console.&nbsp;<br \/><\/span><\/li>\n<\/ol>\n<h2 class=\"toc_anchors\" id=\"Cantilever_tab\"><span><span class=\"colour\">Onglet Console&nbsp;<\/span><\/span><span class=\"colour\"><br \/><\/span><\/h2>\n<div><span class=\"colour\">L&rsquo;onglet Console appara\u00eet lorsque le Type 12 est s\u00e9lectionn\u00e9.&nbsp;<\/span><\/div>\n<div><\/div>\n<div>\n<div id=\"target_mov_img_6416198785783334\" class=\"target_moving\"><img decoding=\"async\" data-zdeskdocselectedclass=\"original\" class=\"docsimage\" data-zdeskdocid=\"img_6416198785783334\" style=\"padding: 0px;max-width: 100%;width: 551px;height: auto\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-05c7146beb204390319501f17d3e6f99.png\"><\/div>\n<div><\/div>\n<\/div>\n<h3 class=\"toc_anchors\" id=\"Cantilever_Sab_Dimension_d__b-Slab_L-Cant\"><b><span class=\"colour\"><span class=\"size\" style=\"font-size: 18px\">Dimensions de la dalle console &quot;d&quot; , &quot;b-Dalle&quot;, &quot;L-Console&quot;&nbsp;<\/span><\/span><\/b><br \/><\/h3>\n<ol>\n<li style=\"list-style-type: square\"><span class=\"colour\">&quot;d&quot; est la distance entre le point de r\u00e9f\u00e9rence et le d\u00e9but de la dalle. Le point de r\u00e9f\u00e9rence de la dalle est toujours le premier point choisi lors de l&rsquo;insertion de la dalle console.<br \/><\/span><\/li>\n<li style=\"list-style-type: square\"><span class=\"colour\">b-Dalle&quot; est la largeur mesur\u00e9e le long du bord appuy\u00e9.&nbsp;&nbsp;Si &quot;b-Dalle&quot; = 0&nbsp;la dalle est d\u00e9finie comme portant enti\u00e8rement entre les points d&rsquo;insertion.<br \/><\/span><\/li>\n<li style=\"list-style-type: square\"><span class=\"colour\">&quot;L-Console&quot; est la longueur de la console.&nbsp;<br \/><\/span><\/li>\n<\/ol>\n<div>\n<div style=\"font-size: 15px;font-weight: 400\">\n<h3 class=\"toc_anchors\" id=\"Parapet_Load\"><b style=\"font-size: 16px\"><span class=\"size\" style=\"font-size: 18px\"><span class=\"colour\">Charge d&rsquo;acrot\u00e8re<\/span><\/span><\/b><\/h3>\n<\/div>\n<div><span class=\"colour\">La charge d&rsquo;acrot\u00e8re peut \u00eatre appliqu\u00e9e au bord d&rsquo;une dalle console en kN\/m.&nbsp;&nbsp;Elle est class\u00e9e comme charge permanente.<\/span><\/div>\n<\/div>\n<div><\/div>\n<h1 class=\"toc_anchors\" id=\"Creating_Irregular_Slab\"><span class=\"colour\">Cr\u00e9ation d&rsquo;une dalle irr\u00e9guli\u00e8re<br \/><\/span><\/h1>\n<div><span class=\"colour\">Pour cr\u00e9er une dalle non rectangulaire ou irr\u00e9guli\u00e8re, utilisez la fonction &quot;Contour de dalle \/ poteau&quot; :&nbsp;&nbsp;<\/span><\/div>\n<ol>\n<li style=\"list-style-type: decimal\"><span class=\"colour\">Cliquez sur l&rsquo;ic\u00f4ne &quot;Contour polyligne de dalle \/ poteau&quot; dans le ruban &quot;Mod\u00e9lisation&quot;<br \/><\/span><\/li>\n<li style=\"list-style-type: decimal\"><span class=\"colour\">Choisissez un point&nbsp;pour d\u00e9finir le d\u00e9but de la dalle console. Cliquez successivement pour d\u00e9finir le contour de la dalle console. Le trac\u00e9 des lignes de contour est similaire \u00e0 celui d&rsquo;un axe multi-segments.<br \/><\/span><\/li>\n<li style=\"list-style-type: decimal\"><span class=\"colour\">Au dernier point,&nbsp;faites un clic droit&nbsp;et s\u00e9lectionnez &quot;Terminer&quot; pour achever l&rsquo;insertion. Les lignes de contour de la dalle sont trac\u00e9es.<br \/><\/span><\/li>\n<li style=\"list-style-type: decimal\"><span class=\"colour\">Cliquez sur l&rsquo;ic\u00f4ne&nbsp;Dalle. Dans l&rsquo;&nbsp;Option d&rsquo;insertion, v\u00e9rifiez que&nbsp;R\u00e9gion de poutres&nbsp;est s\u00e9lectionn\u00e9e.<br \/><\/span><\/li>\n<li style=\"list-style-type: decimal\"><span class=\"colour\">V\u00e9rifiez que le type de dalle&nbsp;est &quot;Type = 1&quot;.<br \/><\/span><\/li>\n<li style=\"list-style-type: decimal\"><span class=\"colour\">Cliquez n&rsquo;importe o\u00f9 dans la ligne de contour de la dalle. Une nouvelle dalle est cr\u00e9\u00e9e.<br \/><\/span><\/li>\n<\/ol>\n<div><span class=\"colour\"><\/span><\/p>\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-0bf0bea455092d6fa9b950dabe5eaa80.png\"><span class=\"colour\">Consultez cet article pour plus de d\u00e9tails :&nbsp;<\/span><a target=\"_blank\" href=\"https:\/\/support.protasoftware.com\/portal\/en\/kb\/articles\/working-with-slab-column-edge\" rel=\"noopener noreferrer\"><span class=\"colour\">Utilisation du <\/span><span class=\"colour\">bord de dalle\/poteau<\/span><\/a><\/span><\/div>\n<p><a target=\"_blank\" href=\"https:\/\/support.protasoftware.com\/portal\/en\/kb\/articles\/working-with-slab-column-edge\" rel=\"noopener noreferrer\"><span class=\"colour\"><br \/><\/span><\/a><\/div>\n<div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>D\u00e9finition d&rsquo;une nouvelle dalle Avant d&rsquo;ins\u00e9rer une dalle, d\u00e9finissez ses axes de r\u00e9f\u00e9rence. Pour d\u00e9finir une nouvelle dalle : Affichez dans la zone de dessin&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-2296","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>Travailler avec les dalles<\/title>\n<meta name=\"description\" content=\"Apprenez \u00e0 mod\u00e9liser, calculer et ferrailler les dalles dans ProtaStructure : plancher-dalle, dalle nervur\u00e9e, plancher-caisson et radier, pas \u00e0 pas.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, 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