{"id":2196,"date":"2026-04-27T12:21:16","date_gmt":"2026-04-27T12:21:16","guid":{"rendered":"https:\/\/protasoftware.com\/fr\/wiki\/analyse\/"},"modified":"2026-04-27T12:21:16","modified_gmt":"2026-04-27T12:21:16","slug":"analyse","status":"publish","type":"wiki","link":"https:\/\/protasoftware.com\/fr\/support\/manuels-techniques\/analyse\/","title":{"rendered":"Analyse"},"content":{"rendered":"<div><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px\">Apr\u00e8s avoir mod\u00e9lis\u00e9 la structure et d\u00e9fini les param\u00e8tres et les charges \u00e0 appliquer, vous pouvez lancer l&rsquo;analyse 3D de l&rsquo;ensemble du b\u00e2timent.&nbsp;<\/span><\/span><span class=\"size\" style=\"font-size: 16px\"><br \/><\/span><\/div>\n<div><span class=\"size\" style=\"font-size: 16px\"><br \/><\/span><\/div>\n<div><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px\">Pour lancer l&rsquo;analyse, ouvrez le ruban sup\u00e9rieur<\/span><b><span class=\"size\" style=\"font-size: 16px\"> Analyse<\/span><\/b><span class=\"size\" style=\"font-size: 16px\"> &gt; cliquez sur &quot;<\/span><b><span class=\"size\" style=\"font-size: 16px\">Analyse du b\u00e2timent<\/span><\/b><span class=\"size\" style=\"font-size: 16px\">&quot; pour afficher le formulaire d&rsquo;analyse.&nbsp;<\/span><br \/><\/span><\/div>\n<div><span class=\"colour\"><br \/><\/span><\/div>\n<div><span class=\"colour\"><img decoding=\"async\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-4a0ba82bec86f941f25e9c9858e8ce7c.png\" style=\"max-width: 100%;height: auto;padding: 0\"><br \/><\/span><\/div>\n<ol>\n<li style=\"list-style-type: square\"><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px\">S&rsquo;il n&rsquo;existe aucune analyse pr\u00e9c\u00e9dente, une croix rouge s&rsquo;affiche \u00e0 c\u00f4t\u00e9 de l&rsquo;ic\u00f4ne <\/span><b><span class=\"size\" style=\"font-size: 16px\">Analyse du b\u00e2timent<\/span><\/b><span class=\"size\" style=\"font-size: 16px\"><br \/><\/span><\/span><\/li>\n<li style=\"list-style-type: square\"><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px\">Si l&rsquo;analyse est termin\u00e9e, une coche verte s&rsquo;affiche&nbsp;\u00e0 c\u00f4t\u00e9 de l&rsquo;ic\u00f4ne <\/span><b><span class=\"size\" style=\"font-size: 16px\">Analyse du b\u00e2timent<\/span><\/b><span class=\"size\" style=\"font-size: 16px\">.&nbsp; La Date d&rsquo;analyse indique aussi l&rsquo;horodatage.&nbsp;<\/span><\/span><\/li>\n<\/ol>\n<div><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px\">Les sections suivantes d\u00e9taillent les diff\u00e9rentes fonctions et options.&nbsp;<\/span><\/span><\/div>\n<h2 class=\"toc_anchors\" id=\"Building_Model_Check\"><span class=\"colour\">V\u00e9rification du mod\u00e8le du b\u00e2timent<br \/><\/span><\/h2>\n<div><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px\">Avant l&rsquo;analyse du b\u00e2timent, utilisez le bouton <\/span><\/span><i><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px\">&quot;V\u00e9rification du mod\u00e8le du b\u00e2timent&quot;<\/span><\/span><\/i><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px\"> pour un dernier contr\u00f4le du mod\u00e8le cr\u00e9\u00e9.&nbsp; Il r\u00e9v\u00e8le les erreurs courantes du mod\u00e8le.&nbsp;<\/span><\/span><span class=\"size\" style=\"font-size: 16px\"><br \/><\/span><\/div>\n<div><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px\"><br \/><\/span><\/span><\/div>\n<div><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px\">En pratique, il est recommand\u00e9 d&rsquo;effectuer&nbsp;<\/span><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px\">&nbsp;<\/span><\/span><i><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px\">&quot;V\u00e9rification du mod\u00e8le du b\u00e2timent&quot;<\/span><\/span><\/i><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px\">&nbsp; progressivement pendant la construction du mod\u00e8le. Vous rep\u00e9rez ainsi les probl\u00e8mes t\u00f4t et \u00e9vitez leur propagation ou leur copie vers d&rsquo;autres zones ou \u00e9tages.<\/span>&nbsp;<br \/><\/span><\/span><\/div>\n<div><span class=\"colour\"><\/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;max-width: 100%\" data-type=\"non-resize\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-22c50f168d313c0c407e61cdd7343727.png\"><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px\">Pour plus de d\u00e9tails, consultez l&rsquo;article principal<\/span><\/span><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px\"> :&nbsp;<\/span><\/span><a target=\"_blank\" href=\"https:\/\/support.protasoftware.com\/portal\/kb\/articles\/building-model-check\" rel=\"noopener noreferrer\"><span class=\"size\" style=\"font-size: 16px\">V\u00e9rification du mod\u00e8le du b\u00e2timent<\/span><\/a><\/span><\/div>\n<p><a target=\"_blank\" href=\"https:\/\/support.protasoftware.com\/portal\/kb\/articles\/building-model-check\" rel=\"noopener noreferrer\"><\/a><\/span><\/div>\n<h2 class=\"toc_anchors\" id=\"Perform_Building_Analysis\"><span class=\"colour\">Lancer l&rsquo;analyse du b\u00e2timent<br \/><\/span><\/h2>\n<div><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px\">Dans la bo\u00eete de dialogue Analyse du b\u00e2timent, ouvrez l&rsquo;onglet <\/span><b><span class=\"size\" style=\"font-size: 16px\">Analyse <\/span><\/b><span class=\"size\" style=\"font-size: 16px\">&gt; cliquez sur &quot;<\/span><b><span class=\"size\" style=\"font-size: 16px\">Analyse du b\u00e2timent<\/span><\/b><span class=\"size\" style=\"font-size: 16px\">&quot; pour d\u00e9marrer l&rsquo;analyse.&nbsp;<\/span><\/span><\/div>\n<div><span class=\"size\" style=\"font-size: 16px\"><br \/><\/span><\/div>\n<div><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px\">Une analyse statique lin\u00e9aire \u00e9lastique est effectu\u00e9e pour chaque cas de charge non phas\u00e9 d\u00e9fini. Une analyse par phases de construction est effectu\u00e9e pour chaque cas de charge phas\u00e9.<br \/><\/span><\/span><\/div>\n<div><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px\"><br \/><\/span><\/span><\/div>\n<div><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px\">Vous pouvez consulter les r\u00e9sultats des cas de charge non phas\u00e9s et phas\u00e9s dans la vue&nbsp;<\/span><a target=\"_blank\" href=\"https:\/\/support.protasoftware.com\/portal\/en\/kb\/articles\/post-analysis-ps-2022\" rel=\"noopener noreferrer\"><span class=\"size\" style=\"font-size: 16px\">Mod\u00e8le analytique<\/span><\/a><span class=\"size\" style=\"font-size: 16px\">.&nbsp;<br \/><\/span><\/span><\/div>\n<div><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px\"><br \/><\/span><\/span><\/div>\n<div><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px\">Les combinaisons non phas\u00e9es et phas\u00e9es servent toutes deux au calcul.<\/span><\/span><\/div>\n<h2 class=\"toc_anchors\" id=\"Member_Design_options\"><span class=\"colour\">Options de calcul des \u00e9l\u00e9ments<br \/><\/span><\/h2>\n<div><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px\">Un clic sur le bouton Analyse du b\u00e2timent ouvre la bo\u00eete de dialogue des options de calcul :&nbsp;<br \/><\/span><\/span><\/div>\n<div><span class=\"colour\"><img decoding=\"async\" data-zdeskdocselectedclass=\"best\" class=\"docsimage\" data-zdeskdocid=\"img_20070323681936342\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-e7ab72e7bca496fadb48b12085a7b32d.png\" style=\"max-width: 100%;padding: 0px;width: 317px;height: auto\"><br \/><\/span><\/div>\n<div><span class=\"colour\"><br \/><\/span><\/div>\n<div><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px\">Cochez ces cases pour que le programme calcule automatiquement les \u00e9l\u00e9ments par lots, juste apr\u00e8s l&rsquo;analyse.&nbsp;<\/span><br \/><\/span><\/div>\n<div><span class=\"colour\"><\/p>\n<h3 class=\"toc_anchors\" id=\"Re-select_Steel_Bars_of_RC_members\"><span class=\"colour\">Res\u00e9lectionner les armatures des \u00e9l\u00e9ments en b\u00e9ton arm\u00e9<br \/><\/span><\/h3>\n<div><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px\">Les armatures d\u00e9j\u00e0 calcul\u00e9es sont v\u00e9rifi\u00e9es avec les derniers r\u00e9sultats d&rsquo;analyse, sauf si vous cochez l&rsquo;option de res\u00e9lection des armatures. Le programme tente alors de calculer de nouvelles armatures pour les derniers r\u00e9sultats d&rsquo;analyse.<\/span><\/span><\/div>\n<div><span class=\"KB_New_Editor_Highlights\" style=\"margin: 10px 0px;position: relative;padding: 10px 10px 10px 40px\"><img decoding=\"async\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-38ccfb48cf2ce21026bdd24d66ae77cc.png\" data-type=\"non-resize\" data-image=\"contentStyle\" alt=\"Info\" style=\"position: absolute;left: 12px;top: 14px;width: 15px;max-width: 100%\"><img decoding=\"async\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-86446ca7452d354e090ba9c4fdc4e64c.png\" data-type=\"non-resize\" data-image=\"contentStyle\" alt=\"Idea\" style=\"position: absolute;left: 12px;top: 14px;width: 15px;max-width: 100%\"><\/p>\n<div><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px\">Nous d\u00e9conseillons ce mode de calcul des \u00e9l\u00e9ments aux premi\u00e8res \u00e9tapes.&nbsp; Il faut d&rsquo;abord v\u00e9rifier que les r\u00e9sultats sont corrects et raisonnables. Si les r\u00e9sultats d&rsquo;analyse sont douteux, le calcul sera faux lui aussi.&nbsp;<br \/><\/span><\/span><\/div>\n<div><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px\">Ce calcul par lots n&rsquo;affiche pas non plus le d\u00e9tail des \u00e9l\u00e9ments qui v\u00e9rifient ou non les crit\u00e8res.&nbsp; Pour les grands mod\u00e8les, le calcul sera long. Il est alors plus souple et plus efficace de calculer les \u00e9l\u00e9ments par lots dans la bo\u00eete de dialogue distincte de calcul des \u00e9l\u00e9ments, via l&rsquo;onglet <b>Calcul<\/b>.&nbsp;<br \/><\/span><\/span><\/div>\n<p><\/span><\/div>\n<p><\/span><\/div>\n<h2 class=\"toc_anchors\" id=\"Perform_Eigenvalue_Analysis\"><span class=\"colour\">Effectuer l&rsquo;analyse des valeurs propres<br \/><\/span><\/h2>\n<div><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px\">Une <\/span><\/span><i><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px\">\u201cAnalyse des valeurs propres\u201d<\/span><\/span><\/i><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px\"> peut \u00eatre effectu\u00e9e dans le cadre de l&rsquo;analyse du b\u00e2timent. Elle calcule les fr\u00e9quences propres et les d\u00e9form\u00e9es modales, qui d\u00e9pendent de la masse des \u00e9tages et de la raideur du mod\u00e8le. Aucune charge n&rsquo;est utilis\u00e9e dans cette analyse. Ses r\u00e9sultats peuvent \u00eatre utiles si des essais en soufflerie sont requis.<br \/><\/span><\/span><\/div>\n<div><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px\"><br \/><\/span><\/span><\/div>\n<div><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px\">Si un code sismique est s\u00e9lectionn\u00e9,&nbsp; l&rsquo;<\/span><b><span class=\"size\" style=\"font-size: 16px\">Analyse des valeurs propres<\/span><\/b><span class=\"size\" style=\"font-size: 16px\"> est effectu\u00e9e automatiquement. Les fr\u00e9quences propres et les d\u00e9form\u00e9es modales font partie int\u00e9grante de l&rsquo;analyse et du calcul sismiques. Cette option est donc masqu\u00e9e.&nbsp;<br \/><\/span><\/span><\/div>\n<div><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px\"><br \/><\/span><\/span><\/div>\n<div><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px\">Une fois l&rsquo;analyse termin\u00e9e, ouvrez l&rsquo;onglet Rapports &gt; cliquez sur<\/span><b><span class=\"size\" style=\"font-size: 16px\"> R\u00e9sultats des valeurs propres<\/span><\/b><span class=\"size\" style=\"font-size: 16px\"> pour g\u00e9n\u00e9rer le rapport.<\/span><\/span><\/div>\n<h3 class=\"toc_anchors\" id=\"Controlling_the_Storey_Mass_for_Eigenvalue_Analysis\"><span class=\"colour\">Contr\u00f4le de la masse d&rsquo;\u00e9tage pour l&rsquo;analyse des valeurs propres<br \/><\/span><\/h3>\n<div><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px\">Si aucun code sismique n&rsquo;est <\/span><u><span class=\"size\" style=\"font-size: 16px\">s\u00e9lectionn\u00e9<\/span><\/u><span class=\"size\" style=\"font-size: 16px\">, la masse d&rsquo;\u00e9tage de l&rsquo;analyse des valeurs propres repose uniquement sur la charge permanente G (sans charge d&rsquo;exploitation Q).&nbsp;<br \/><\/span><\/span><\/div>\n<div><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px\">Si un code sismique<\/span><u><span class=\"size\" style=\"font-size: 16px\"> est s\u00e9lectionn\u00e9<\/span><\/u><span class=\"size\" style=\"font-size: 16px\">, la masse d&rsquo;\u00e9tage repose sur la charge permanente G plus une fraction de la charge d&rsquo;exploitation Q :&nbsp;&nbsp;<br \/><\/span><\/span><\/div>\n<ol>\n<li style=\"list-style-type: square\"><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px\">Poids d&rsquo;\u00e9tage =&nbsp;<\/span><b><span class=\"size\" style=\"font-size: 16px\">G+nQ <\/span><\/b><span class=\"size\" style=\"font-size: 16px\">:&nbsp; &nbsp;o\u00f9 &quot;n&quot; est g\u00e9n\u00e9ralement appel\u00e9 coefficient de participation ou coefficient de pr\u00e9sence simultan\u00e9e.&nbsp; <br \/><\/span><\/span><\/li>\n<li style=\"list-style-type: square\"><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px\">Ce coefficient se d\u00e9finit pour chaque \u00e9tage dans le menu <\/span><a href=\"https:\/\/support.protasoftware.com\/portal\/en\/kb\/articles\/storey-related-controls-and-settings#Remove_Storey:~:text=be%20decreased%20accordingly.-,Edit%20Storey,-Use%20the%20%22Edit\" target=\"_blank\" rel=\"noopener noreferrer\"><span class=\"size\" style=\"font-size: 16px\">Modifier l&rsquo;\u00e9tage<\/span><\/a><span class=\"size\" style=\"font-size: 16px\">, dans la colonne &quot;<\/span><b><span class=\"size\" style=\"font-size: 16px\">Pr\u00e9sence simultan\u00e9e<\/span><\/b><span class=\"size\" style=\"font-size: 16px\">&quot;. Ce champ n&rsquo;est visible que si un code sismique est s\u00e9lectionn\u00e9. L&rsquo;exemple ci-dessous correspond au code sismique Eurocode 8.&nbsp;<\/span><br \/><\/span><\/li>\n<li style=\"list-style-type: square\"><span class=\"colour\"><img decoding=\"async\" style=\"width: 806px;height: auto;max-width: 100%\" data-zdeskdocselectedclass=\"best\" class=\"docsimage\" data-zdeskdocid=\"img_4599344782409379\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-b678178054664a4649c8eb9d5611c2a2.png\"><br \/><\/span><\/li>\n<\/ol>\n<div><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px\">Les composantes G et Q de la masse ou du poids d&rsquo;\u00e9tage peuvent provenir des <\/span><b><i><span class=\"size\" style=\"font-size: 16px\">Charges de poutres d\u00e9compos\u00e9es<\/span><\/i><\/b><span class=\"size\" style=\"font-size: 16px\"> ou des <\/span><b><i><span class=\"size\" style=\"font-size: 16px\">C<\/span><\/i><\/b><\/span><i><span class=\"colour\"><b><span class=\"size\" style=\"font-size: 16px\">harges de dalles non d\u00e9compos\u00e9es<\/span><\/b><\/span><\/i><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px\">. Le choix de l&rsquo;option se fait dans le menu Analyse du b\u00e2timent &gt; onglet <\/span><b><span class=\"size\" style=\"font-size: 16px\">Options du mod\u00e8le <\/span><\/b><span class=\"size\" style=\"font-size: 16px\">&gt; onglet <\/span><b><span class=\"size\" style=\"font-size: 16px\">Param\u00e8tres<\/span><\/b><span class=\"size\" style=\"font-size: 16px\"> &gt;<\/span><a href=\"https:\/\/support.protasoftware.com\/portal\/en\/kb\/articles\/model-options#TotalRelative_Horizontal_Drift_Limits:~:text=for%20more%20details.-,Storey%20Weight%20and%20Center%20of%20Gravity%20Calculations,-After%20the%20vertical\" target=\"_blank\" rel=\"noopener noreferrer\"><span class=\"size\" style=\"font-size: 16px\"> Calculs du poids d&rsquo;\u00e9tage et du centre de gravit\u00e9<\/span><\/a><span class=\"size\" style=\"font-size: 16px\">&nbsp;:<br \/><\/span><\/span><\/div>\n<ol>\n<li style=\"list-style-type: square\"><span class=\"colour\"><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px\">Si toutes les dalles transmettent leurs charges aux poutres ou aux voiles, les deux options donnent une masse ou un poids similaire. <br \/><\/span><\/span><\/span><\/li>\n<li style=\"list-style-type: square\"><span class=\"colour\"><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px\">Dans les mod\u00e8les \u00e0 plancher-dalle, ce n&rsquo;est souvent pas le cas. La masse obtenue avec l&rsquo;option<\/span><\/span><i><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px\">&nbsp;charges de poutres d\u00e9compos\u00e9es<\/span><\/span><\/i><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px\">&nbsp;est probablement nettement inf\u00e9rieure \u00e0 celle de l&rsquo;option<\/span><\/span><i><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px\">&nbsp;charges de dalles non d\u00e9compos\u00e9es<\/span><\/span><\/i><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px\">&nbsp;. <br \/><\/span><\/span><\/span><\/li>\n<li style=\"list-style-type: square\"><span class=\"colour\"><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px\">Dans ces mod\u00e8les, s\u00e9lectionnez toujours la seconde option,<\/span><b><span class=\"size\" style=\"font-size: 16px\"> Utiliser les charges de dalles non d\u00e9compos\u00e9es <\/span><\/b><span class=\"size\" style=\"font-size: 16px\">.<\/span><br \/><\/span><\/span><\/li>\n<\/ol>\n<h3 class=\"toc_anchors\" id=\"Model_Stiffness_for_Eigenvalue_Analysis\"><span class=\"colour\">Raideur du mod\u00e8le pour l&rsquo;analyse des valeurs propres<br \/><\/span><\/h3>\n<div><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px\">L&rsquo;ing\u00e9nieur doit utiliser des caract\u00e9ristiques de section adapt\u00e9es \u00e0 l&rsquo;analyse des valeurs propres. Pour les poteaux et les voiles, cela peut n\u00e9cessiter des ajustements globaux de raideur afin de mod\u00e9liser des sections fissur\u00e9es. Le code ACI peut servir de r\u00e9f\u00e9rence \u00e0 ce sujet.  Ces ajustements se font dans le tableau <\/span><a target=\"_blank\" href=\"https:\/\/support.protasoftware.com\/portal\/en\/kb\/articles\/model-options#Model:~:text=Model%E2%80%9D%20tab.-,Material%20and%20Section%20Effective%20Stiffness%20Factors%C2%A0,-%E2%80%9CElasticity%C2%A0Modulus%E2%80%9D%2C%20%22Axial\" rel=\"noopener noreferrer\"><span class=\"size\" style=\"font-size: 16px\">Facteur de raideur effective du mat\u00e9riau et de la section<\/span><\/a><i><span class=\"size\" style=\"font-size: 16px\">&nbsp;<\/span><\/i><span class=\"size\" style=\"font-size: 16px\">&nbsp;du formulaire Analyse du b\u00e2timent.<\/span><br \/><\/span><\/div>\n<h3 class=\"toc_anchors\" id=\"Controlling_the_Number_of_Mode_Shapes_Required\"><span class=\"colour\">Contr\u00f4le du nombre de d\u00e9form\u00e9es modales requises<br \/><\/span><\/h3>\n<div><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px\">Ces valeurs se d\u00e9finissent dans l&rsquo;onglet <\/span><a target=\"_blank\" href=\"https:\/\/support.protasoftware.com\/portal\/en\/kb\/articles\/project-settings-ps-2022#Lateral_Loading:~:text=and%20Eurocode%208.-,Lateral%20Loading,-This%20page%20controls\" rel=\"noopener noreferrer\"><span class=\"size\" style=\"font-size: 16px\">Chargement lat\u00e9ral<\/span><\/a><span class=\"size\" style=\"font-size: 16px\">&nbsp;de la bo\u00eete de dialogue &quot;Analyse du b\u00e2timent&quot; &gt; &quot;Centre des param\u00e8tres&quot;.<\/span><br \/><\/span><\/div>\n<h3 class=\"toc_anchors\" id=\"Graphical_Results\"><span class=\"colour\">R\u00e9sultats graphiques<br \/><\/span><\/h3>\n<div><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px\">Pour afficher une d\u00e9form\u00e9e modale, ouvrez la vue&nbsp;<\/span><a style=\"cursor: pointer;font-size: 16px;letter-spacing: 0.1px\" target=\"_blank\" href=\"https:\/\/support.protasoftware.com\/portal\/en\/kb\/articles\/post-analysis-ps-2022\" rel=\"noopener noreferrer\"><span class=\"size\" style=\"font-size: 16px\">Mod\u00e8le analytique<\/span><\/a><span class=\"size\" style=\"font-size: 16px\">&nbsp;apr\u00e8s l&rsquo;analyse du b\u00e2timent.<br \/><\/span><\/span><\/div>\n<div><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px\"><\/p>\n<p><\/span><\/span><\/div>\n<div><span class=\"colour\"><\/p>\n<div style=\"font-size: 16px;letter-spacing: 0.1px\">\n<div style=\"letter-spacing: 0.1px\" class=\"sty__75w0fi__cls\"><span style=\"letter-spacing: 0.1px\" class=\"sty__gznoyf__cls\"><span class=\"colour sty__cw74ce__cls\"><span class=\"size\" style=\"font-size: 16px\">Ouvrez l&rsquo;onglet&nbsp;<\/span><\/span><b><span class=\"colour sty__3se0f3__cls\"><span class=\"size\" style=\"font-size: 16px\">Analyse&nbsp;<\/span><\/span><\/b><span class=\"colour sty__o7218h__cls\"><span class=\"size\" style=\"font-size: 16px\">&gt;&nbsp;&nbsp;<\/span><\/span><\/span><b style=\"letter-spacing: 0.1px\" class=\"sty__lujcc8__cls\"><span class=\"colour sty__miavk5__cls\"><span class=\"size\" style=\"font-size: 16px\">Mod\u00e8le analytique<\/span><\/span><\/b><span class=\"colour sty__448sq0__cls\"><span class=\"size\" style=\"font-size: 16px\">&nbsp;<\/span><\/span><span style=\"letter-spacing: 0.1px\" class=\"sty__s3a4ba__cls\"><span class=\"colour sty__jhy2im__cls\"><span class=\"size\" style=\"font-size: 16px\">&gt;&nbsp;<\/span><b><span class=\"size\" style=\"font-size: 16px\">Mod\u00e8le d&rsquo;analyse du b\u00e2timent<\/span><\/b><span class=\"size\" style=\"font-size: 16px\">&nbsp;(voir ci-dessous)<\/span><br \/><\/span><\/span><\/div>\n<div style=\"letter-spacing: 0.1px\" class=\"sty__xdurb5__cls\"><span style=\"letter-spacing: 0.1px\" class=\"sty__g4cdbk__cls\"><span class=\"colour sty__o9klyr__cls\"><br \/><\/span><\/span><\/div>\n<div style=\"letter-spacing: 0.1px\" class=\"sty__mab0lq__cls\"><span style=\"letter-spacing: 0.1px\" class=\"sty__yp03ge__cls\"><span class=\"colour sty__bo2w37__cls\"><img decoding=\"async\" style=\"max-width: 100%;padding: 0px;cursor: pointer;width: 649.5px;height: auto\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-7899974df3a73b0eef1475392769b51e.png\" data-zdeskdocid=\"img_37485580793728357\" class=\"docsimage sty__dhv2so__cls\" data-zdeskdocselectedclass=\"best\"><br \/><\/span><\/span><\/div>\n<div style=\"letter-spacing: 0.1px\" class=\"sty__xvbdb1__cls\"><span style=\"letter-spacing: 0.1px\" class=\"sty__vrpe8x__cls\">La vue Mod\u00e8le analytique est cr\u00e9\u00e9e comme ci-dessous, ici pour le mod\u00e8le du guide de d\u00e9marrage rapide.&nbsp;<br \/><\/span><\/div>\n<div style=\"letter-spacing: 0.1px\" class=\"sty__c52yy9__cls\"><span style=\"letter-spacing: 0.1px\" class=\"sty__zk11ww__cls\"><br \/><\/span><\/div>\n<div style=\"letter-spacing: 0.1px\" class=\"sty__bb8lo2__cls\"><span style=\"letter-spacing: 0.1px\" class=\"sty__urmdqg__cls\"><img decoding=\"async\" style=\"max-width: 100%;padding: 0px;cursor: pointer;width: 830.5px;height: auto\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-60f0c3384d5ee6dd6a2963221c66a86b.png\" data-zdeskdocid=\"img_8538663783339793\" class=\"docsimage sty__yuy7w7__cls\" data-zdeskdocselectedclass=\"best\"><br \/><\/span><\/div>\n<\/div>\n<div style=\"font-size: 16px;letter-spacing: 0.1px\"><\/div>\n<ol style=\"font-size: 16px;letter-spacing: 0.1px\">\n<li style=\"list-style-type: square\" class=\"sty__6a1elx__cls\"><span style=\"line-height: normal\" class=\"size sty__82fspw__cls\"><span class=\"colour sty__4zi5mn__cls\">Dans l&rsquo;onglet&nbsp;<b>R\u00e9sultats<\/b>, v\u00e9rifiez que&nbsp;<b>D\u00e9placement&nbsp;<\/b>est activ\u00e9.&nbsp;<\/span><\/span><\/li>\n<li style=\"list-style-type: disc\" class=\"sty__muu6id__cls\"><span style=\"line-height: normal\" class=\"size sty__5jwhxl__cls\"><span class=\"colour sty__827by2__cls\">Cliquez sur&nbsp;<\/span><\/span><b class=\"sty__dn6ev9__cls\"><span style=\"line-height: normal\" class=\"size sty__n6xd8e__cls\"><span class=\"colour sty__a1f578__cls\">Animation<\/span><\/span><\/b><span style=\"line-height: normal\" class=\"size sty__m21ayq__cls\"><span class=\"colour sty__wtjljb__cls\">&nbsp;pour visualiser clairement le mode de vibration du b\u00e2timent.<br \/><\/span><\/span><\/li>\n<li style=\"list-style-type: disc\" class=\"sty__yp608t__cls\"><span style=\"line-height: normal\" class=\"size sty__9f3oqx__cls\"><span class=\"colour sty__88vlgs__cls\">Cliquez sur&nbsp;<\/span><\/span><b><span style=\"line-height: normal\" class=\"size sty__m701av__cls\"><span class=\"colour sty__z73sfp__cls\">&quot;<\/span><\/span><\/b><span style=\"line-height: normal\" class=\"size sty__8vpkzz__cls\"><span class=\"colour sty__pje971__cls\">&nbsp;<\/span><\/span><b class=\"sty__kamvm0__cls\"><i class=\"sty__d8vbju__cls\"><span style=\"line-height: normal\" class=\"size sty__giyf7l__cls\"><span class=\"colour sty__2k7mu0__cls\">+ Augmenter l&rsquo;\u00e9chelle<\/span><\/span><\/i><\/b><span style=\"line-height: normal\" class=\"size sty__vomgdy__cls\"><span class=\"colour sty__3z3h5l__cls\">&nbsp;<\/span><\/span><b><span style=\"line-height: normal\" class=\"size sty__x4dqr7__cls\"><span class=\"colour sty__cdr5wq__cls\">&quot; ou &quot;<\/span><\/span><i><span style=\"line-height: normal\" class=\"size sty__a4izmx__cls\"><span class=\"colour sty__x58mse__cls\">\u00c9chelle auto&quot;<\/span><\/span><\/i><\/b><span style=\"line-height: normal\" class=\"size sty__85obsl__cls\"><span class=\"colour sty__919t69__cls\">&nbsp; si la vibration est peu visible.<br \/><\/span><\/span><\/li>\n<li style=\"list-style-type: disc\" class=\"sty__ph48c7__cls\"><span style=\"line-height: normal\" class=\"size sty__zvjnwb__cls\"><span class=\"colour sty__083upj__cls\">S\u00e9lectionnez&nbsp;<b>D\u00e9form\u00e9es modales<\/b>&nbsp;dans le volet de droite.&nbsp;<br \/><\/span><\/span><\/li>\n<\/ol>\n<div style=\"font-size: 16px;letter-spacing: 0.1px\"><span class=\"colour\"><span class=\"colour sty__d7hm5w__cls\"><span style=\"line-height: normal\" class=\"size sty__jwhwos__cls\">Ci-dessous, l&rsquo;animation des 3 premiers modes&nbsp;<\/span><\/span><span style=\"line-height: normal\" class=\"size sty__wozdh0__cls\">:&nbsp;<br \/><\/span><\/span><\/div>\n<div style=\"font-size: 16px;letter-spacing: 0.1px\"><span class=\"colour\"><span style=\"line-height: normal\" class=\"size sty__wozdh0__cls\"><br \/><\/span><br \/><\/span><\/div>\n<div style=\"font-size: 16px;letter-spacing: 0.1px\"><span class=\"colour\"><img decoding=\"async\" style=\"padding: 0px;max-width: 100%;cursor: pointer;width: 651px;height: auto\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/09\/hc-aba0c6c84afd-1.gif\" data-zdeskdocid=\"img_30559370448141454\" class=\"docsimage sty__qdnobc__cls\" data-zdeskdocselectedclass=\"best\"><\/span><\/div>\n<p><\/span><\/div>\n<div><span class=\"colour\"><br \/><\/span><\/div>\n<h3 class=\"toc_anchors\" id=\"Numerical_Results\"><span class=\"colour\">R\u00e9sultats num\u00e9riques<br \/><\/span><\/h3>\n<div><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px\">Les r\u00e9sultats num\u00e9riques de l&rsquo;analyse (fr\u00e9quences et participation massique) sont accessibles depuis l&rsquo;onglet <\/span><\/span><i><span class=\"colour\"><b><span class=\"size\" style=\"font-size: 16px\">Rapport<\/span><\/b><\/span><\/i><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px\">&nbsp;&gt; <\/span><\/span><i><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px\">\u201c<\/span><b><span class=\"size\" style=\"font-size: 16px\">Rapport des r\u00e9sultats des valeurs propres\u201d<\/span><\/b><\/span><\/i><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px\">&nbsp; (bouton).<\/span><\/span><\/div>\n<h2 id=\"Display_Analytical_Model_Before_Analysis\" class=\"toc_anchors\"><span class=\"colour\">Afficher le mod\u00e8le analytique avant l&rsquo;analyse<\/span><br \/><\/h2>\n<div class=\" align-left\" style=\"text-align: left\"><span class=\"font\"><span class=\"size\" style=\"font-size: 16px\"><span class=\"colour\"><span class=\"highlight\">Cocher cette option permet de v\u00e9rifier le mod\u00e8le analytique sous-jacent avant la suite de l&rsquo;analyse. Celle-ci calcule ensuite les efforts dans les \u00e9l\u00e9ments et les autres r\u00e9sultats, comme les fl\u00e8ches et les donn\u00e9es de calcul.&nbsp;<\/span><\/span><\/span><\/span><\/div>\n<div>\n<div style=\"font-size: 16px;letter-spacing: 0.1px\"><span class=\"size sty__4nnrrq__cls\"><br \/><\/span><\/div>\n<div style=\"font-size: 16px;letter-spacing: 0.1px\"><span class=\"size sty__4nnrrq__cls\">Le mod\u00e8le 3D construit est un mod\u00e8le physique. Les dimensions r\u00e9elles des \u00e9l\u00e9ments y sont affich\u00e9es.&nbsp; L&rsquo;<\/span><span>analyse convertit le mod\u00e8le physique en mod\u00e8le analytique (illustr\u00e9 ci-dessous).&nbsp;<br \/><\/span><\/div>\n<div style=\"font-size: 16px;letter-spacing: 0.1px\">\n<div id=\"target_mov_img_5776755318567324\" class=\"target_moving\"><img decoding=\"async\" data-zdeskdocselectedclass=\"best\" class=\"docsimage sty__4d3g7x__cls\" data-zdeskdocid=\"img_5776755318567324\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-92f460218c5a84cd7d3eff68da088803.png\" style=\"padding: 0px;max-width: 100%;cursor: pointer;width: 610.5px;height: auto\">&nbsp;&nbsp;<\/div>\n<div><\/div>\n<\/div>\n<div style=\"font-size: 16px;letter-spacing: 0.1px\"><span class=\"colour sty__ungzrx__cls\">Le mod\u00e8le analytique est essentiellement un mod\u00e8le filaire aux lignes d&rsquo;axe. Pour que les \u00e9l\u00e9ments soient bien reli\u00e9s, le filaire analytique doit converger vers un n\u0153ud commun. Les n\u0153uds sont des points d&rsquo;insertion cr\u00e9\u00e9s \u00e0 l&rsquo;intersection des axes.&nbsp;<\/span><\/div>\n<div style=\"font-size: 16px;letter-spacing: 0.1px\"><span class=\"colour sty__ungzrx__cls\"><\/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;max-width: 100%\" data-type=\"non-resize\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-22c50f168d313c0c407e61cdd7343727.png\"><\/p>\n<div><span class=\"colour\">Activer cette option permet de contr\u00f4ler rapidement la validit\u00e9 du mod\u00e8le analytique. Vous \u00e9vitez de perdre un temps pr\u00e9cieux, car l&rsquo;analyse compl\u00e8te demande du temps.&nbsp; Si le mod\u00e8le analytique pr\u00e9sente des probl\u00e8mes, arr\u00eatez l&rsquo;analyse en cliquant sur &quot;Annuler&quot; dans l&rsquo;aper\u00e7u du mod\u00e8le analytique. Revenez ensuite au mod\u00e8le pour le corriger.<\/span><\/div>\n<p><\/span><\/div>\n<p><\/span><\/div>\n<\/div>\n<h2 class=\"toc_anchors\" id=\"Refresh_the_Connectivity_Information_of_All_Members\"><span class=\"colour\">Actualiser les informations de connectivit\u00e9 de tous les \u00e9l\u00e9ments<br \/><\/span><\/h2>\n<div><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px;line-height: normal\">Cette option actualise ou r\u00e9g\u00e9n\u00e8re les donn\u00e9es de connectivit\u00e9 des \u00e9l\u00e9ments avant l&rsquo;analyse. Nous recommandons vivement de la laisser coch\u00e9e par d\u00e9faut.&nbsp;<br \/><\/span><\/span><\/div>\n<div><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px;line-height: normal\"><br \/><\/span><\/span><\/div>\n<div><span class=\"colour\"><span class=\"size\" style=\"line-height: normal\"><\/p>\n<h2 id=\"Save_Foundation_ColumnWall_Results_for_Multi-block_Combined_Foundation_Design\" class=\"toc_anchors\"><font color=\"#000000\">Enregistrer les r\u00e9sultats des poteaux\/voiles de fondation pour le calcul de fondations combin\u00e9es multi-blocs<br \/><\/font><\/h2>\n<div><font color=\"#000000\" style=\"font-size: 16px\">Cette option garantit l&rsquo;enregistrement correct des r\u00e9sultats des poteaux et voiles de fondation pour le calcul de fondations combin\u00e9es multi-blocs. Pour plus de d\u00e9tails, consultez :&nbsp;<a href=\"https:\/\/support.protasoftware.com\/portal\/en\/kb\/articles\/linked-model-manager-with-examples\"> G<\/a><\/font><font color=\"#000000\"><span style=\"font-size: 16px\"><a href=\"https:\/\/support.protasoftware.com\/portal\/en\/kb\/articles\/linked-model-manager-with-examples\" target=\"_blank\" rel=\"noopener noreferrer\">estionnaire de mod\u00e8les li\u00e9s avec exemples<br \/><\/a><\/span><\/font><\/div>\n<div><font color=\"#000000\"><span style=\"font-size: 16px\"><\/span><\/font><\/div>\n<p><\/span><\/span><\/div>\n<h2 class=\"toc_anchors\" id=\"Axial_Load_Comparison_Report\"><span class=\"colour\">Rapport de comparaison des charges axiales<br \/><\/span><\/h2>\n<div><span class=\"size\" style=\"font-size: 16px;line-height: normal\"><span class=\"colour\">Apr\u00e8s une analyse du b\u00e2timent r\u00e9ussie, le <\/span><\/span><b><span class=\"size\" style=\"font-size: 16px;line-height: normal\"><span class=\"colour\">Rapport de comparaison des charges axiales<\/span><\/span><\/b><span class=\"size\" style=\"font-size: 16px;line-height: normal\"><span class=\"colour\"> peut \u00eatre g\u00e9n\u00e9r\u00e9. Ce rapport&nbsp;v\u00e9rifie la charge permanente et la charge d&rsquo;exploitation totales appliqu\u00e9es au b\u00e2timent. Il permet aussi de contr\u00f4ler que :<\/span><span class=\"colour\"><br \/><\/span><\/span><\/div>\n<ol>\n<li style=\"list-style-type: disc\"><span class=\"size\" style=\"font-size: 16px;line-height: normal\"><span class=\"colour\">les charges des dalles sont correctement r\u00e9parties sur les \u00e9l\u00e9ments porteurs<\/span><span class=\"colour\"><br \/><\/span><\/span><\/li>\n<li style=\"list-style-type: disc\"><span class=\"size\" style=\"font-size: 16px;line-height: normal\"><span class=\"colour\">la charge gravitaire appliqu\u00e9e correspond \u00e0 la r\u00e9action verticale totale de l&rsquo;analyse du b\u00e2timent<\/span><span class=\"colour\"><br \/><\/span><\/span><\/li>\n<li style=\"list-style-type: disc\"><span class=\"size\" style=\"font-size: 16px;line-height: normal\"><span class=\"colour\">la charge gravitaire appliqu\u00e9e correspond \u00e0 la r\u00e9action verticale totale de la descente de charges EF<\/span><span class=\"colour\"><br \/><\/span><\/span><\/li>\n<\/ol>\n<div><span class=\"size\" style=\"font-size: 16px;line-height: normal\"><span class=\"colour\">Ce rapport additionne les charges permanentes et les charges d&rsquo;exploitation appliqu\u00e9es \u00e0 chaque \u00e9tage. Il affiche les efforts axiaux dans les poteaux et les voiles. Ces valeurs doivent concorder dans une limite de tol\u00e9rance (5 % par d\u00e9faut). Si ce n&rsquo;est pas le cas, des charges peuvent \u00eatre perdues \u00e0 cause d&rsquo;une erreur de mod\u00e9lisation. Recherchez la cause de l&rsquo;\u00e9cart.<\/span><span class=\"colour\"><br \/><\/span><\/span><\/div>\n<div><span class=\"size\" style=\"font-size: 16px;line-height: normal\"><span class=\"colour\"><br \/><\/span><\/span><\/div>\n<div><b><span class=\"size\" style=\"font-size: 16px;line-height: normal\"><span class=\"colour\">Tableau 1 : CHARGES TOTALES (selon la dalle)<\/span><\/span><\/b><span class=\"size\" style=\"font-size: 16px;line-height: normal\"><span class=\"colour\"> est la somme des charges permanentes et des charges d&rsquo;exploitation de tous les \u00e9l\u00e9ments. La charge de dalle n&rsquo;est pas encore d\u00e9compos\u00e9e ni calcul\u00e9e sur la poutre. Vous pouvez la consid\u00e9rer comme le poids d&rsquo;entr\u00e9e de la structure.<\/span><span class=\"colour\"><br \/><\/span><\/span><\/div>\n<div><span class=\"size\" style=\"font-size: 16px;line-height: normal\"><span class=\"colour\"><br \/><\/span><\/span><\/div>\n<div><b><span class=\"size\" style=\"font-size: 16px;line-height: normal\"><span class=\"colour\">Tableau 2 : CHARGES TOTALES (apr\u00e8s d\u00e9composition sur les poutres)<\/span><\/span><\/b><span class=\"size\" style=\"font-size: 16px;line-height: normal\"><span class=\"colour\"> prend en compte la d\u00e9composition de la charge de dalle sur les poutres, par lignes de rupture ou par d\u00e9composition EF. La charge des poutres inclut d\u00e9sormais les charges de dalle. La colonne dalle affiche donc des valeurs nulles.<\/span><span class=\"colour\"><br \/><\/span><\/span><\/div>\n<div><span class=\"size\" style=\"font-size: 16px;line-height: normal\"><span class=\"colour\"><br \/><\/span><\/span><\/div>\n<div><b><span class=\"size\" style=\"font-size: 16px;line-height: normal\"><span class=\"colour\">Tableau 3 : ANALYSE DU B\u00c2TIMENT, CHARGES AXIALES DES POTEAUX ET DES VOILES<\/span><\/span><\/b><span class=\"size\" style=\"font-size: 16px;line-height: normal\"><span class=\"colour\"> additionne les charges axiales r\u00e9elles des poteaux et des voiles apr\u00e8s l&rsquo;analyse du b\u00e2timent (pour un mod\u00e8le poutre-dalle courant)<\/span><span class=\"colour\"><br \/><\/span><\/span><\/div>\n<div><span class=\"size\" style=\"font-size: 16px;line-height: normal\"><span class=\"colour\"><br \/><\/span><\/span><\/div>\n<div><b><span class=\"size\" style=\"font-size: 16px;line-height: normal\"><span class=\"colour\">Tableau 4 : ANALYSE PAR \u00c9L\u00c9MENTS FINIS, CHARGES AXIALES DES POTEAUX ET DES VOILES<\/span><\/span><\/b><span class=\"size\" style=\"font-size: 16px;line-height: normal\"><span class=\"colour\"> additionne les charges r\u00e9elles des poteaux et des voiles apr\u00e8s la descente de charges par \u00e9l\u00e9ments finis, de l&rsquo;\u00e9tage sup\u00e9rieur \u00e0 l&rsquo;\u00e9tage inf\u00e9rieur (n\u00e9cessaire pour les mod\u00e8les \u00e0 plancher-dalle)<\/span><\/span><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px;line-height: normal\"><br \/><\/span><\/span><\/div>\n<div><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px;line-height: normal\"><br \/><\/span><\/span><\/div>\n<div><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px;line-height: normal\">Pour un mod\u00e8le poutre-dalle (toutes les dalles correctement appuy\u00e9es sur des poutres), v\u00e9rifiez les points suivants :<br \/><\/span><\/span><\/div>\n<ol>\n<li style=\"list-style-type: disc\"><span><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px;line-height: normal\">V\u00e9rifiez d&rsquo;abord que les valeurs totales du <\/span><\/span><\/span><b><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px;line-height: normal\">Tableau 1<\/span><\/span><\/b><span><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px;line-height: normal\"> sont proches de celles du <\/span><\/span><\/span><b><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px;line-height: normal\">Tableau 2<\/span><\/span><\/b><span><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px;line-height: normal\">. Les poutres reprennent alors toutes les charges de dalle, sans aucune perte.<\/span><\/span><\/span><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px;line-height: normal\"><br \/><\/span><\/span><\/li>\n<li style=\"list-style-type: disc\"><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px;line-height: normal\">V\u00e9rifiez que les valeurs totales du <\/span><\/span><b><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px;line-height: normal\">Tableau 2<\/span><\/span><\/b><span><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px;line-height: normal\"> sont proches de celles du <\/span><\/span><\/span><b><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px;line-height: normal\">Tableau 3<\/span><\/span><\/b><span><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px;line-height: normal\">. Les poteaux et les voiles reprennent alors tout le poids de la superstructure jusqu&rsquo;\u00e0 la fondation.<\/span><\/span><\/span><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px;line-height: normal\"><br \/><\/span><\/span><\/li>\n<\/ol>\n<div><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px;line-height: normal\">Pour un mod\u00e8le \u00e0 plancher-dalle, v\u00e9rifiez les points suivants :<\/span><\/span><\/div>\n<ol>\n<li style=\"list-style-type: disc\"><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px;line-height: normal\">V\u00e9rifiez que les valeurs totales du <\/span><\/span><b><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px;line-height: normal\">Tableau 1 <\/span><\/span><\/b><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px;line-height: normal\">sont proches de celles du <\/span><\/span><b><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px;line-height: normal\">Tableau 4<\/span><\/span><\/b><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px;line-height: normal\">. Les poteaux et les voiles reprennent alors tout le poids des dalles de la superstructure jusqu&rsquo;\u00e0 la fondation.<br \/><\/span><\/span><\/li>\n<li style=\"list-style-type: disc\"><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px;line-height: normal\">Ignorez le <\/span><\/span><b><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px;line-height: normal\">Tableau 2<\/span><\/span><\/b><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px;line-height: normal\"> et le <\/span><\/span><b><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px;line-height: normal\">Tableau 3<\/span><\/span><\/b><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px;line-height: normal\"> ainsi que les avertissements associ\u00e9s. Ces tableaux ne s&rsquo;appliquent qu&rsquo;aux mod\u00e8les poutre-dalle.<\/span><\/span><\/li>\n<\/ol>\n<div><span class=\"colour\"><\/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;max-width: 100%\" data-type=\"non-resize\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-6924b44ccb59e2bcebd9b63b40bfe367.png\"><\/p>\n<div><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px;line-height: normal\">Pour un exemple d\u00e9taill\u00e9 de la comparaison des charges axiales, consultez<\/span><\/span><span class=\"size\" style=\"font-size: 16px;line-height: normal\"> :&nbsp;<\/span><a target=\"_blank\" href=\"https:\/\/support.protasoftware.com\/portal\/en\/kb\/articles\/axial-load-comparison-report-example\" rel=\"noopener noreferrer\"><span class=\"size\" style=\"font-size: 16px;line-height: normal\">Pr\u00e9sentation du rapport de comparaison des charges axiales (exemple d\u00e9taill\u00e9)<\/span><\/a><\/div>\n<p><\/span><\/div>\n<p><\/span><\/div>\n<div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Apr\u00e8s avoir mod\u00e9lis\u00e9 la structure et d\u00e9fini les param\u00e8tres et les charges \u00e0 appliquer, vous pouvez lancer l&rsquo;analyse 3D de l&rsquo;ensemble du b\u00e2timent.&nbsp; Pour lancer&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":[32],"whitepaper_topic":[],"whitepaper_product":[],"whitepaper_type":[],"class_list":["post-2196","wiki","type-wiki","status-publish","hentry","category-building-analysis"],"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>Analyse - 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\/analyse\/\" \/>\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=\"Apr\u00e8s avoir mod\u00e9lis\u00e9 la structure et d\u00e9fini les param\u00e8tres et les charges \u00e0 appliquer, vous pouvez lancer l&rsquo;analyse 3D de l&rsquo;ensemble du b\u00e2timent.&nbsp; 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