{"id":2235,"date":"2026-04-27T12:34:34","date_gmt":"2026-04-27T12:34:34","guid":{"rendered":"https:\/\/protasoftware.com\/fr\/wiki\/exemple-d-analyse-et-de-calcul-de-radier-et-de-radier-sur-pieux\/"},"modified":"2026-04-27T12:34:34","modified_gmt":"2026-04-27T12:34:34","slug":"exemple-d-analyse-et-de-calcul-de-radier-et-de-radier-sur-pieux","status":"publish","type":"wiki","link":"https:\/\/protasoftware.com\/fr\/support\/manuels-techniques\/exemple-d-analyse-et-de-calcul-de-radier-et-de-radier-sur-pieux\/","title":{"rendered":"Exemple d&rsquo;analyse et de calcul de radier et de radier sur pieux"},"content":{"rendered":"<div>\n<h1 class=\"toc_anchors\" id=\"Raft_Foundation_Example\"><span class=\"colour\">Exemple de radier<br \/><\/span><\/h1>\n<div><span class=\"colour\">Cet exemple est bas\u00e9 sur le mod\u00e8le &quot;Quick Start Guide Concrete Complete&quot;, install\u00e9 automatiquement dans le dossier ProtaDataXXXX par d\u00e9faut. <br \/><\/span><\/div>\n<div><span><span class=\"colour\">Dans cet exemple, nous allons ins\u00e9rer un radier puis un radier sur pieux sous le noyau d&rsquo;ascenseur en voiles de contreventement.&nbsp;<\/span><\/span><span class=\"colour\"> <br \/><\/span><\/div>\n<div><span><span class=\"colour\">Le radier est cr\u00e9\u00e9 sous forme de dalles, puis analys\u00e9 au moyen de l&rsquo;analyse de fondation par \u00e9l\u00e9ments finis.<\/span><\/span><\/div>\n<div>\n<h1 id=\"Foundation_Design_Settings__Raft_Modelling\" class=\"toc_anchors\"><span><span class=\"colour\">Param\u00e8tres de calcul de fondation et mod\u00e9lisation du radier<\/span><\/span><span class=\"colour\"><br \/><\/span><\/h1>\n<div><b><span class=\"colour\">&nbsp; &gt;&gt;&nbsp;<\/span><\/b><span class=\"colour\"> <\/span><span><span class=\"colour\">V\u00e9rifier que l&rsquo;analyse du b\u00e2timent s&rsquo;est termin\u00e9e avec succ\u00e8s.&nbsp;<\/span><\/span><span class=\"colour\"> <\/span><b><span class=\"colour\">&nbsp;<\/span><\/b><span class=\"colour\"> <br \/><\/span><\/div>\n<div><b><span class=\"colour\">&nbsp; &gt;&gt;&nbsp;<\/span><\/b><span class=\"colour\"> <\/span><span><span class=\"colour\">Aller dans <\/span><\/span><span class=\"colour\"> <\/span><b><span class=\"colour\">Param\u00e8tres de calcul de fondation<\/span><\/b><span class=\"colour\"> <\/span><span><span class=\"colour\"> &gt; <\/span><\/span><span class=\"colour\"> <\/span><b><span class=\"colour\">onglet G\u00e9n\u00e9ral<\/span><\/b><span class=\"colour\"> <\/span><span><span class=\"colour\">. Ces param\u00e8tres influencent g\u00e9n\u00e9ralement l&rsquo;analyse de radier par \u00e9l\u00e9ments finis (EF) et son calcul.&nbsp;<\/span><\/span><\/div>\n<div><\/div>\n<div><img decoding=\"async\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-b674a19992754e32109672d7d5a46f9f.png\" style=\"max-width: 100%;height: auto;padding: 0\"><\/div>\n<\/div>\n<div><b><span class=\"colour\">&nbsp; &gt;&gt; <\/span><\/b><span class=\"colour\">Modifier <\/span><b><span class=\"colour\">Contrainte admissible du sol<\/span><\/b><span class=\"colour\"> \u00e0 <\/span><b><span class=\"colour\">150 <\/span><\/b><span class=\"colour\">kN\/m2 &gt; Cliquer sur <\/span><b><span class=\"colour\">OK <\/span><\/b><span class=\"colour\">pour enregistrer et quitter.&nbsp; <br \/><\/span><\/div>\n<div><b><span class=\"colour\">&nbsp; &gt;&gt;&nbsp;<\/span><\/b><span class=\"colour\"> <\/span><span><span class=\"colour\">Aller \u00e0 la <\/span><\/span><span class=\"colour\"> <\/span><b><span class=\"colour\">vue \u00c9tage : 0 (Plan)<\/span><\/b><span class=\"colour\"> <\/span><span><span class=\"colour\"> car tous les \u00e9l\u00e9ments de fondation ne peuvent \u00eatre mod\u00e9lis\u00e9s qu&rsquo;\u00e0 l&rsquo;\u00e9tage 0 (niveau de fondation).&nbsp;<\/span><\/span><\/div>\n<div><span><b><span class=\"colour\">&nbsp; &gt;&gt;<\/span><\/b><span class=\"colour\"> Cr\u00e9er une dalle de couverture de<\/span><b><span class=\"colour\"> 400 mm<\/span><\/b><span class=\"colour\"> d&rsquo;\u00e9paisseur <\/span><b><span class=\"colour\">&nbsp;<\/span><\/b><span class=\"colour\">\u00e0 l&rsquo;int\u00e9rieur du noyau d&rsquo;ascenseur (<\/span><b><span class=\"colour\">Type 1, Enrobage = 100 mm<\/span><\/b><span class=\"colour\"> et Charge permanente\/charge d&rsquo;exploitation =<\/span><b><span class=\"colour\"> 0<\/span><\/b><span class=\"colour\">)&nbsp;<\/span><\/span><\/div>\n<div><\/div>\n<div><img decoding=\"async\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-d345c66c0e76089c8279840c55908e22.png\" style=\"max-width: 100%;height: auto;padding: 0\"><\/div>\n<\/div>\n<div>\n<div><span class=\"KB_New_Editor_Highlights\" style=\"margin: 10px 0px;position: relative;padding: 10px 10px 10px 40px\"><img decoding=\"async\" alt=\"Info\" 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-6986d84b41829989b44ce41331a0be99.png\"> <\/p>\n<div><b>Coefficient de r\u00e9action du sol<\/b> (raideur du sol) est automatiquement r\u00e9cup\u00e9r\u00e9 depuis les <a href=\"https:\/\/support.protasoftware.com\/portal\/en\/kb\/articles\/foundation\" target=\"_blank\" rel=\"noopener noreferrer\">Param\u00e8tres de calcul de fondation<\/a>.&nbsp; L&rsquo;utilisateur peut cocher &quot; <b>D\u00e9fini par l&rsquo;utilisateur<\/b>&quot; et saisir manuellement un coefficient diff\u00e9rent.&nbsp;<\/div>\n<p><\/span><\/div>\n<div><b><span class=\"colour\">&nbsp; &gt;&gt;&nbsp;<\/span><\/b><span class=\"colour\"> <\/span><span><span class=\"colour\">Cr\u00e9er des dalles en porte-\u00e0-faux de<\/span><\/span><span class=\"colour\"> <\/span><b><span class=\"colour\">500 mm<\/span><\/b><span class=\"colour\"> <\/span><span><span class=\"colour\"> de large autour du bord du noyau (passer au <\/span><\/span><span class=\"colour\"> <\/span><b><span class=\"colour\">Type 12&nbsp;<\/span><\/b><span class=\"colour\">et <\/span><span class=\"colour\">cl<\/span><span><span class=\"colour\">iquer le long du bord du voile de noyau)<\/span><\/span><\/div>\n<div><\/div>\n<div><span><span class=\"colour\"><img decoding=\"async\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-b86d16c34e13b3f0b2ddd07f1dee5f77.png\" style=\"max-width: 100%;height: auto;padding: 0\"><\/span><\/span><\/div>\n<div><span><span class=\"colour\"><br \/><\/span><\/span><\/div>\n<\/div>\n<div>\n<div><span class=\"KB_New_Editor_Highlights\" style=\"margin: 10px 0px;position: relative;padding: 10px 10px 10px 40px\"><img decoding=\"async\" alt=\"Idea\" 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-73d857b88daf53ff99d2ce4bbce8c36f.png\"> <\/p>\n<div><span class=\"colour\">N&rsquo;importe quelle forme de dalle peut aussi \u00eatre cr\u00e9\u00e9e avec la fonction<\/span> <a href=\"https:\/\/support.protasoftware.com\/portal\/en\/kb\/articles\/working-with-slab-column-edge#SlabColumn_Edge_Polyline\" target=\"_blank\" rel=\"noopener noreferrer\">Bord de dalle\/poteau&nbsp;<\/a> <\/div>\n<p><\/span><\/div>\n<h2 id=\"FE_Raft_Foundation_Analysis\" class=\"toc_anchors\"><span><span class=\"colour\">Analyse de radier par \u00e9l\u00e9ments finis (EF)&nbsp;<\/span><\/span><span class=\"colour\"><br \/><\/span><\/h2>\n<div><span class=\"colour\">Le radier peut maintenant \u00eatre analys\u00e9.&nbsp;<\/span><\/div>\n<div><span><b><span class=\"colour\">&gt;&gt;<\/span><\/b><span class=\"colour\"> Dans l&rsquo;<\/span><\/span><span class=\"colour\"> <\/span><b><span class=\"colour\"> onglet Analyse <\/span><\/b><span class=\"colour\"> <\/span><span><span class=\"colour\"><\/span><b><span class=\"colour\">&gt;<\/span><\/b><span class=\"colour\"> cliquer sur&nbsp;<\/span><\/span><b><span class=\"colour\">Analyse de radier par \u00e9l\u00e9ments finis (EF)<\/span><\/b> <\/div>\n<\/div>\n<div>\n<div><\/div>\n<div><img decoding=\"async\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-b0b23d967739c04e02851ed3b7f5cc93.png\" style=\"max-width: 100%;height: auto;padding: 0\"><\/div>\n<div><\/div>\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-d1217ed926ed3b3eb6474d7e4098d494.png\"> <\/p>\n<div><b><span class=\"colour\">Utiliser les valeurs de r\u00e9action du sol affect\u00e9es aux dalles pour les v\u00e9rifications des contraintes du sol<\/span><\/b><span class=\"colour\">&nbsp;<\/span><b><span class=\"colour\">:&nbsp;<\/span><\/b><span class=\"colour\">Si cette case est coch\u00e9e, le coefficient de r\u00e9action d\u00e9fini par l&rsquo;utilisateur dans les Propri\u00e9t\u00e9s de la dalle sera utilis\u00e9.&nbsp; <br \/><\/span><\/div>\n<div><span class=\"colour\">Les options de maillage sont similaires \u00e0 celles de l&rsquo;Analyse de plancher par \u00e9l\u00e9ments finis (EF).<\/span> <\/div>\n<p><\/span><\/div>\n<div><span><b><span class=\"colour\">&nbsp; &gt;&gt;<\/span><\/b><span class=\"colour\"> Cliquer sur <\/span><b><span class=\"colour\">Maillage et analyse de plancher<\/span><\/b><\/span><span class=\"colour\"> <br \/><\/span><\/div>\n<div><span class=\"colour\">Le mod\u00e8le analytique EF, avec le maillage de dalle r\u00e9sultant et les charges de superstructure appliqu\u00e9es, sera affich\u00e9.&nbsp; <\/span><\/div>\n<div><\/div>\n<div><img decoding=\"async\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-075efaadfaf835bc097358b27d8b8ce8.png\" style=\"padding: 0px;max-width: 100%\"> <\/div>\n<div>\n<div><span class=\"KB_New_Editor_Highlights\" style=\"margin: 10px 0px;position: relative;padding: 10px 10px 10px 40px\"><img decoding=\"async\" alt=\"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-d1217ed926ed3b3eb6474d7e4098d494.png\"> <\/p>\n<div><span class=\"colour\">Les efforts du voile de noyau provenant de la superstructure sont automatiquement \u00e9valu\u00e9s et transf\u00e9r\u00e9s sous forme d&rsquo;efforts axiaux et de moments nodaux, repr\u00e9sent\u00e9s par des fl\u00e8ches rouges.<\/span>&nbsp;&nbsp;<\/div>\n<p><\/span><\/div>\n<div><b>&nbsp; <span class=\"colour\">&gt;&gt;<\/span><\/b><span class=\"colour\"> <\/span><span><span class=\"colour\"> Cliquer sur <\/span><\/span><span class=\"colour\"> <\/span><b><span class=\"colour\">OK<\/span><\/b><span class=\"colour\"> <\/span><span><span class=\"colour\"> pour accepter l&rsquo;analyse et fermer la fen\u00eatre de maillage.&nbsp;<\/span><\/span><\/div>\n<\/div>\n<div><span><b><span class=\"colour\">&nbsp; &gt;&gt;<\/span><\/b><\/span><span class=\"colour\"> <\/span><span class=\"font\"><span style=\"font-size: 7pt\" class=\"size\"><span class=\"colour\"> <\/span><\/span><\/span><span class=\"colour\"> <\/span><span><span class=\"colour\">V\u00e9rifier que la&nbsp;<\/span><b><span class=\"colour\">Contrainte admissible du sol<\/span><\/b><span class=\"colour\"> est de <\/span><b><span class=\"colour\">150 <\/span><\/b><span class=\"colour\">kN\/m<\/span><sup><span class=\"colour\">2<\/span><\/sup><span class=\"colour\">.<\/span><\/span><\/div>\n<\/div>\n<div><span style=\"font-style: normal\"><span><\/p>\n<div><b><span class=\"colour\">&nbsp; &gt;&gt;<\/span><\/b><span class=\"colour\"> <\/span><span><span class=\"colour\">Cliquer sur <\/span><b><span class=\"colour\">Afficher le mod\u00e8le analytique<\/span><\/b><\/span> <\/div>\n<p><\/span><\/span><\/div>\n<div><img decoding=\"async\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-d08a6666268afcec598117cce67e763a.png\" style=\"padding: 0px;max-width: 100%\"> <\/div>\n<div><\/div>\n<h2 id=\"FE_Analytical_Model_to_show_results\" class=\"toc_anchors\"><span class=\"colour\">Mod\u00e8le analytique EF pour afficher les r\u00e9sultats<\/span><\/h2>\n<div><span><span class=\"colour\">La bo\u00eete de dialogue FE Floor Analysis se ferme et la<\/span><\/span><span class=\"colour\"> <\/span><b><span class=\"colour\"> vue FE Foundation Model View <\/span><\/b><span class=\"colour\"> <\/span><span><span class=\"colour\">est cr\u00e9\u00e9e.<\/span><\/span><\/div>\n<div><b><span class=\"colour\">&nbsp; &gt;&gt;<\/span><\/b><span class=\"colour\"> Cliquer sur&nbsp;<\/span><b><span class=\"colour\">FE Foundation Model View&nbsp;<\/span><\/b><span class=\"colour\">; les rubans du mod\u00e8le analytique associ\u00e9 apparaissent.&nbsp;<\/span> <\/div>\n<div><\/div>\n<div><img decoding=\"async\" style=\"padding: 0px;max-width: 100%\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-c87aaf981cfedd2790c9a721d5b6bb9f.png\"><\/div>\n<div><\/div>\n<div><\/div>\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-d1217ed926ed3b3eb6474d7e4098d494.png\"> <\/p>\n<div><span class=\"colour\">La vue <\/span><b><span class=\"colour\"> FE Foundation Model<\/span><\/b><span class=\"colour\"> peut aussi \u00eatre cr\u00e9\u00e9e depuis l&rsquo;onglet <\/span><b><span class=\"colour\">Analysis<\/span><\/b><span class=\"colour\"> &gt; menu d\u00e9roulant <\/span><b><span class=\"colour\"> Analytical Model <\/span><\/b><span class=\"colour\">&gt; s\u00e9lectionner \u00ab&nbsp;<\/span><b><span class=\"colour\">FE Foundation Model<\/span><\/b><span class=\"colour\">&nbsp;\u00bb<\/span> <\/div>\n<div><img decoding=\"async\" alt=\"\" style=\"padding: 0px;max-width: 100%\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-c43744fac1a756e00943fb82ea134646.png\"><\/div>\n<p><\/span><\/div>\n<div><span class=\"colour\"><b>&nbsp; &gt;&gt;<\/b> Pour all\u00e9ger la vue en masquant les charges nodales, aller dans l&rsquo;onglet<\/span><b><span class=\"colour\"> Member<\/span><\/b><span class=\"colour\"> &gt; d\u00e9sactiver les <\/span><b><span class=\"colour\">Loads<\/span><\/b><span class=\"colour\"> nodales<\/span>&nbsp;<img decoding=\"async\" data-zdeskdocselectedclass=\"original\" class=\"docsimage\" data-zdeskdocid=\"img_04024842992481381\" style=\"padding: 0px;max-width: 100%;width: 105px;height: auto\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-850719b8fb703958026d1162548beb02.png\"><\/div>\n<div><b><span class=\"colour\">&nbsp; &gt;&gt;<\/span><\/b><span class=\"colour\"> <\/span><span><span class=\"colour\"> Aller dans l&rsquo;onglet<\/span><\/span><span class=\"colour\">&nbsp;<\/span><b><span class=\"colour\">Contours <\/span><\/b><span class=\"colour\"> <\/span><span><span class=\"colour\">&gt; s\u00e9lectionner <\/span><\/span><span class=\"colour\"> <\/span><b><span class=\"colour\">Threshold&nbsp;Contours&nbsp;<\/span><\/b><\/div>\n<div><img decoding=\"async\" style=\"padding: 0px;max-width: 100%\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-6ca65224ef622bd0b8d816b18f621daa.png\"> <\/div>\n<div>\n<div><span><b><span class=\"colour\">&nbsp;&nbsp;&gt;&gt;<\/span><\/b><span class=\"colour\"> Dans la <\/span><\/span><span class=\"colour\"> <\/span><b><span class=\"colour\">liste Effects <\/span><\/b><span class=\"colour\"> <\/span><span><span class=\"colour\">\u00e0 droite de l&rsquo;\u00e9cran, faire d\u00e9filer pour trouver et s\u00e9lectionner&nbsp;<\/span><\/span><span class=\"colour\"> <\/span><b><span class=\"colour\">Soil Pressure&nbsp;&nbsp;<\/span><\/b><span class=\"colour\">(comme montr\u00e9 ci-dessus) <br \/><\/span><\/div>\n<div><b><span class=\"colour\">&nbsp; &gt;&gt;&nbsp;<\/span><\/b><span class=\"colour\">Dans la <\/span><b><span class=\"colour\"> liste Load Combinations<\/span><\/b><span class=\"colour\"> \u00e0 l&rsquo;extr\u00eame droite de l&rsquo;\u00e9cran, s\u00e9lectionner la combinaison de charges <\/span><b><span class=\"colour\">G+Q&nbsp;&nbsp;<\/span><\/b><span class=\"colour\">(comme montr\u00e9 ci-dessus) <br \/><\/span><\/div>\n<div>\n<p class=\"Action\"><span><span class=\"colour\">Les contours de seuil montrent les zones o\u00f9 la pression r\u00e9sultante du sol est conforme en<\/span><b><span class=\"colour\"> vert<\/span><\/b> <span class=\"colour\">et non conforme \/ en surcontrainte en<\/span> <span class=\"colour\"><b>rouge<\/b><\/span>.&nbsp;&nbsp;<\/span><\/p>\n<\/div>\n<\/div>\n<div><img decoding=\"async\" style=\"padding: 0px;max-width: 100%\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-795cc6d30f5020d3de0cbead3a562d98.png\"><\/div>\n<div>\n<div><span class=\"KB_New_Editor_Highlights\" style=\"margin: 10px 0px;position: relative;padding: 10px 10px 10px 40px\"><img decoding=\"async\" alt=\"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-d1217ed926ed3b3eb6474d7e4098d494.png\"><\/p>\n<div><span><span class=\"colour\">Comme la combinaison de charges pond\u00e9r\u00e9e est trac\u00e9e, la pression admissible du sol est multipli\u00e9e par le facteur ultime de <\/span><\/span><span class=\"colour\"> <\/span><b><span class=\"colour\">1,25<\/span><\/b><span class=\"colour\"> <\/span><span><span class=\"colour\"> par d\u00e9faut dans Foundation Design Settings, soit 150 (contrainte admissible) x 1,25 = <\/span><b><span class=\"colour\">187,5<\/span><\/b><span class=\"colour\"> kN\/m2.&nbsp; La pression r\u00e9elle du sol est compar\u00e9e \u00e0 cette pression admissible pond\u00e9r\u00e9e dans le contour de seuil.&nbsp;<\/span><\/span><span class=\"colour\"><\/span><\/div>\n<div><span class=\"colour\">La pression du sol est v\u00e9rifi\u00e9e en premier pour s&rsquo;assurer que le sol n&rsquo;est pas surcontraint avant m\u00eame d&rsquo;examiner les besoins en acier. <br \/><\/span><\/div>\n<div><span><span class=\"colour\">Placer le curseur de la souris sur n&rsquo;importe quel maillage&nbsp;; la pression du sol s&rsquo;affiche \u00e0 chaque extr\u00e9mit\u00e9 de maille.<\/span><\/span> <\/div>\n<p><\/span><\/div>\n<div>\n<p class=\"Action\"><span class=\"colour\">Il est n\u00e9cessaire d&rsquo;agrandir le radier pour r\u00e9duire la pression r\u00e9sultante du sol jusqu&rsquo;\u00e0 conformit\u00e9, selon les \u00e9tapes suivantes&nbsp;:&nbsp;<br \/><\/span><\/p>\n<div><span><span class=\"colour\">&nbsp;&nbsp;<\/span><\/span><b><span class=\"colour\">&gt;&gt;<\/span><\/b><span><span class=\"colour\"> Aller \u00e0 la vue en plan ST 0 en cliquant sur l&rsquo;onglet <\/span><\/span><b><span class=\"colour\">Storey: 0 (Plan) view<\/span><\/b><\/div>\n<div><span><\/p>\n<div><span class=\"colour\">&nbsp; <\/span><b><span class=\"colour\"> &gt;&gt;<\/span><\/b><span class=\"colour\"> Augmenter la taille du radier en portant la longueur du porte-\u00e0-faux \u00e0 <\/span><b><span class=\"colour\">1100<\/span><\/b><span class=\"colour\"> mm (s\u00e9lectionner chaque dalle individuellement &gt; ouvrir Properties &gt; onglet <\/span><b><span class=\"colour\">Cantilever<\/span><\/b><span class=\"colour\"> &gt; modifier <\/span><b><span class=\"colour\">L-Cant <\/span><\/b><span class=\"colour\">&gt; cliquer sur <\/span><b><span class=\"colour\">Update<\/span><\/b><span class=\"colour\"> &gt; <\/span><b><span class=\"colour\">Close<\/span><\/b><span class=\"colour\">) <br \/><\/span><\/div>\n<div><span class=\"colour\">&nbsp; <\/span><b><span class=\"colour\">&gt;&gt;<\/span><\/b><span class=\"colour\"> Relancer ensuite l&rsquo;analyse <\/span><b><span class=\"colour\">FE Raft Foundation<\/span><\/b><span class=\"colour\">. <\/span><span class=\"colour\">De m\u00eame, aller dans <\/span><b><span class=\"colour\">FE Foundation Model<\/span><\/b><span class=\"colour\">&nbsp;&gt; onglet <\/span><b><span class=\"colour\">Contours<\/span><\/b><span class=\"colour\"> &gt; v\u00e9rifier le <\/span><b><span class=\"colour\">Soil Pressure Threshold<\/span><\/b><span class=\"colour\">. La pression du sol doit maintenant \u00eatre conforme (tout en vert) <br \/><\/span><\/div>\n<p><\/span><span style=\"font-style: normal\"><span><\/p>\n<div><span class=\"colour\">&nbsp; <\/span><b><span class=\"colour\">&gt;&gt;&nbsp;<\/span><\/b><span class=\"colour\"> <\/span><span><span class=\"colour\">Le radier peut d\u00e9sormais \u00eatre calcul\u00e9 de la m\u00eame fa\u00e7on que les dalles maill\u00e9es en \u00e9l\u00e9ments finis, en affichant les contours de As (d).&nbsp;<\/span><\/span><\/div>\n<div><span><span class=\"colour\">Par exemple, cliquer sur <\/span><b><span class=\"colour\">Contours<\/span><\/b><span class=\"colour\"> et s\u00e9lectionner&nbsp;<\/span><b><span class=\"colour\">As(d)1-bot<\/span><\/b><span class=\"colour\"> (comme montr\u00e9 ci-dessous)<\/span><\/span><\/div>\n<div><\/div>\n<div><img decoding=\"async\" style=\"padding: 0px;max-width: 100%\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-e2e9f86b575ce5fcd92e1dc4883712ce.png\"><\/div>\n<div><\/div>\n<p><\/span><\/span><\/div>\n<\/div>\n<\/div>\n<div>\n<div><span class=\"KB_New_Editor_Highlights\" style=\"margin: 10px 0px;position: relative;padding: 10px 10px 10px 40px\"><img decoding=\"async\" alt=\"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-d1217ed926ed3b3eb6474d7e4098d494.png\"><\/p>\n<div><span>Le calcul du radier de fondation est similaire \u00e0 celui d&rsquo;un plancher-dalle. La proc\u00e9dure de calcul se r\u00e9sume ainsi&nbsp;:&nbsp;<\/span><span class=\"colour\"><\/span><\/div>\n<ol>\n<li style=\"list-style-type: square\"><span class=\"colour\">Afficher et examiner les diff\u00e9rents contours de section d&rsquo;acier requise, en d\u00e9finissant des contours de seuil et \/ ou personnalis\u00e9s.&nbsp;&nbsp;<br \/><\/span><\/li>\n<li style=\"list-style-type: square\"><span class=\"colour\">Cr\u00e9er des bandes de dalle EF (fixed band strip) pour automatiser la s\u00e9lection des armatures, si pr\u00e9f\u00e9rable.<br \/><\/span><\/li>\n<li style=\"list-style-type: square\"><span class=\"colour\">La v\u00e9rification du poin\u00e7onnement des poteaux doit \u00eatre effectu\u00e9e pour tous les poteaux et voiles discrets (hors voiles de noyau fusionn\u00e9s). Aller dans l&rsquo;onglet <\/span><b><span class=\"colour\">Design <\/span><\/b><span class=\"colour\"> &gt; <\/span><b><span class=\"colour\"> Column Punching Check &gt; se r\u00e9f\u00e9rer \u00e0&nbsp;<\/span><\/b><font color=\"#000000\"><a href=\"https:\/\/support.protasoftware.com\/portal\/en\/kb\/articles\/punching-shear-check-for-raft-foundation\" target=\"_blank\" rel=\"noopener noreferrer\">Punching Shear Check for Raft Foundation<\/a><\/font><\/li>\n<\/ol>\n<div><span class=\"colour\">Se r\u00e9f\u00e9rer \u00e0 cet article et au manuel des planchers-dalles joint pour plus de d\u00e9tails&nbsp;:&nbsp;<\/span> <a href=\"https:\/\/support.protasoftware.com\/portal\/en\/kb\/articles\/working-with-flat-slabs#Flat_Slab_Guidelines\" target=\"_blank\" rel=\"noopener noreferrer\">Working with Flat Slabs<\/a> <\/div>\n<p><\/span><\/div>\n<div>\n<div><span class=\"KB_New_Editor_Highlights\" style=\"margin: 10px 0px;position: relative;padding: 10px 10px 10px 40px\"><img decoding=\"async\" alt=\"Info\" 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-6986d84b41829989b44ce41331a0be99.png\"><\/p>\n<div><span class=\"colour\">Le filaire des \u00e9l\u00e9ments (par exemple, poteau) est bas\u00e9 sur le centre de gravit\u00e9 de la section&nbsp;<\/span><\/div>\n<p><\/span><\/div>\n<\/div>\n<h2 class=\"toc_anchors\" id=\"Raft_Foundation_Reports\"><span class=\"colour\">Rapports du radier<br \/><\/span><\/h2>\n<div><span class=\"colour\">Les rapports correspondants sont accessibles depuis le ruban <\/span><b><span class=\"colour\">Dessins et rapports<\/span><\/b><span class=\"colour\"> <\/span><b><span class=\"colour\">&gt; Rapports<\/span><\/b><span class=\"colour\">, menu d\u00e9roulant<\/span><b><span class=\"colour\"> <\/span><\/b><span class=\"colour\"> :&nbsp;&nbsp;<br \/><\/span><\/div>\n<ol>\n<li style=\"list-style-type: square\"><b><span class=\"colour\">Rapport des v\u00e9rifications pr\u00e9alables \u00e0 l&rsquo;analyse &#8211; Propri\u00e9t\u00e9s du sol<\/span><\/b><span class=\"colour\">&nbsp;: contient les donn\u00e9es de fondation telles que la capacit\u00e9 portante du sol, le coefficient de r\u00e9action du sol, les charges totales, les pressions du sol moyennes et maximales.<br \/><\/span><\/li>\n<li style=\"list-style-type: square\"><b><span class=\"colour\">Rapport de fondation EF <\/span><\/b><span class=\"colour\"> : contient les r\u00e9sultats de l&rsquo;analyse EF, les donn\u00e9es des n\u0153uds et coques EF, le calcul du ferraillage des bandes de dalle, divers diagrammes de contours et les v\u00e9rifications au poin\u00e7onnement.<br \/><\/span><\/li>\n<li style=\"list-style-type: square\"><b><span class=\"colour\">Rapport des r\u00e9actions \u00e0 la base&nbsp;<\/span><\/b><span class=\"colour\"> : imprime les efforts d&rsquo;analyse de fondation des poteaux et voiles transf\u00e9r\u00e9s au radier. Ces efforts proviennent des r\u00e9actions \u00e0 la base du mod\u00e8le analytique de l&rsquo;Analyse du b\u00e2timent.&nbsp;<\/span><\/li>\n<\/ol>\n<\/div>\n<div>\n<div>\n<h1 id=\"Piled_Raft_Foundation_Example\" class=\"toc_anchors\"><span class=\"colour\">Exemple de radier sur pieux<br \/><\/span><\/h1>\n<div><span><span class=\"colour\">Nous allons remplacer le radier par un radier sur pieux.&nbsp;<\/span><\/span><\/div>\n<div>\n<div><span style=\"margin: 10px 0px;position: relative;padding: 10px 10px 10px 40px\" class=\"KB_New_Editor_Highlights\"><img decoding=\"async\" alt=\"Notes\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-b9b6fcb91f55db4e5e05c953dfba6020.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\">Pour un radier sur pieux, une seule dalle doit \u00eatre mod\u00e9lis\u00e9e, c&rsquo;est-\u00e0-dire que vous ne pouvez pas diviser la dalle en plusieurs \u00e9l\u00e9ments.<\/span>&nbsp;<\/div>\n<p><\/span><\/div>\n<\/div>\n<h2 id=\"Creating_a_pile_raft_slab_using_Rectangle_Polyline\" class=\"toc_anchors\"><span class=\"colour\">Cr\u00e9er une dalle radier sur pieux \u00e0 l&rsquo;aide de la fonction Polyligne rectangulaire&nbsp;<\/span><br \/><\/h2>\n<div><img decoding=\"async\" data-zdeskdocselectedclass=\"original\" class=\"docsimage\" data-zdeskdocid=\"img_6046439994706503\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/09\/hc-4f6d998ddbd7.gif\" style=\"padding: 0px;max-width: 100%;width: 1404px;height: auto\"><\/div>\n<div><\/div>\n<div>\n<div><b><span class=\"colour\">&nbsp;&gt;&gt;<\/span><\/b><span class=\"colour\">&nbsp;<\/span><span class=\"colour\">Allez \u00e0&nbsp;<\/span><b><span class=\"colour\">la vue \u00c9tage : 0 (Plan)<\/span><\/b><span class=\"colour\">&nbsp;<\/span><span class=\"colour\">&#8211; car tous les \u00e9l\u00e9ments de fondation ne peuvent \u00eatre mod\u00e9lis\u00e9s qu&rsquo;\u00e0 l&rsquo;\u00e9tage 0 (niveau de fondation).<\/span><\/div>\n<div><span class=\"colour\">&nbsp;&nbsp;<b>&gt;&gt; <\/b>Cr\u00e9ez une polyligne rectangulaire (comme illustr\u00e9 ci-dessus). Ce sera le contour de la dalle radier sur pieux. <\/span><\/div>\n<div>\n<div><span style=\"margin: 10px 0px;position: relative;padding: 10px 10px 10px 40px\" class=\"KB_New_Editor_Highlights\"><img decoding=\"async\" alt=\"Notes\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-b9b6fcb91f55db4e5e05c953dfba6020.png\" data-type=\"non-resize\" style=\"position: absolute;left: 12px;top: 14px;width: 15px;max-width: 100%\" data-image=\"contentStyle\"><span class=\"colour\">Vous pouvez aussi utiliser la fonction&nbsp;<b>Polyligne <\/b>pour cr\u00e9er une forme irr\u00e9guli\u00e8re de dalle radier sur pieux. Voir :&nbsp;&nbsp;<a target=\"_blank\" href=\"https:\/\/support.protasoftware.com\/portal\/en\/kb\/articles\/working-with-slab-column-edge\" rel=\"noopener noreferrer\">Utilisation des bords de dalle\/poteau<\/a><\/span><\/span><\/div>\n<div><b><span class=\"colour\">&nbsp; &gt;&gt;<\/span><\/b><span class=\"colour\">&nbsp;Cr\u00e9ez une dalle de<\/span><b><span class=\"colour\">&nbsp;400 mm<\/span><\/b><span class=\"colour\">&nbsp;d&rsquo;\u00e9paisseur&nbsp;<\/span><span class=\"colour\">couvrant l&rsquo;int\u00e9rieur du noyau de l&rsquo;ascenseur (<\/span><b><span class=\"colour\">Type 1, Enrobage = 100 mm<\/span><\/b><span class=\"colour\">&nbsp;et Charge permanente\/charge d&rsquo;exploitation =<\/span><b><span class=\"colour\">&nbsp;0<\/span><\/b><span class=\"colour\">)&nbsp;<\/span><span class=\"colour\"><\/span><\/div>\n<\/div>\n<div><span class=\"colour\"><img decoding=\"async\" style=\"padding: 0px;max-width: 100%\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-d87f8986ad90ec544cacbb2aac78644a.png\"><\/span><\/div>\n<\/div>\n<h2 id=\"Creating_Piles\" class=\"toc_anchors\"><span class=\"colour\">Cr\u00e9ation des pieux<br \/><\/span><\/h2>\n<\/div>\n<p class=\"Action\" style=\"text-align: left;text-indent: 0in\" align=\"left\"><span class=\"colour\">&nbsp;<\/span><b><span class=\"colour\"> &gt;&gt;<\/span><\/b><span class=\"colour\"> <\/span><b><span><span class=\"colour\">Supprimez<\/span><\/span><\/b><span><span class=\"colour\"> toute semelle filante et semelle isol\u00e9e existante&nbsp; (car nous ignorerons la capacit\u00e9 portante du sol) <br \/><\/span><\/span><\/p>\n<p class=\"Action\" style=\"text-align: left\" align=\"left\"><span style=\"font-style: normal\"><span><span class=\"colour\">&nbsp; <\/span><b><span class=\"colour\">&gt;&gt; S<\/span><\/b><\/span><\/span><span><b><span class=\"colour\">\u00e9lectionnez la dalle radier<\/span><\/b><span class=\"colour\">&nbsp;puis faites un clic droit, s\u00e9lectionnez <\/span><b><span class=\"colour\">Ins\u00e9rer un pieu<\/span><\/b><\/span><span class=\"colour\"><br \/><\/span><\/p>\n<p class=\"Action\" style=\"text-align: left\" align=\"left\"><span><span class=\"colour\">&nbsp;&nbsp;<\/span><b><span class=\"colour\">&gt;&gt;<\/span><\/b><span class=\"colour\"> Vous devrez choisir le point de r\u00e9f\u00e9rence du pieu.<\/span><span><span class=\"colour\">&nbsp;<\/span><\/span><span class=\"colour\">Cliquez avec le bouton gauche sur le coin inf\u00e9rieur gauche, \u00e0<\/span><span><span class=\"colour\">&nbsp;<\/span><\/span><span class=\"colour\">l&rsquo;intersection de <\/span><b><span class=\"colour\">GL B\/2.<\/span><\/b><\/span><\/p>\n<div><\/div>\n<div><img decoding=\"async\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-139c949b600367780df88ce44ad07876.png\" style=\"padding: 0px;max-width: 100%\"><\/div>\n<div>\n<p class=\"MsoNormal\" style=\"text-align: left\" align=\"left\"><span><span class=\"colour\">Apr\u00e8s avoir s\u00e9lectionn\u00e9 le point de r\u00e9f\u00e9rence, la bo\u00eete de dialogue <\/span><i><b><span class=\"colour\">Propri\u00e9t\u00e9s du pieu<\/span><\/b><\/i><b><span class=\"colour\"> <\/span><\/b><span class=\"colour\">permet de positionner les pieux. Un aper\u00e7u de la disposition s&rsquo;affiche pour faciliter cette op\u00e9ration.<\/span><\/span><\/p>\n<div><\/div>\n<div><img decoding=\"async\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-8c6a5cda8620cb79f77d3f921fdedbf8.png\" style=\"padding: 0px;max-width: 100%\"><\/div>\n<div>\n<div><\/div>\n<div><\/div>\n<\/div>\n<div><span><b><span class=\"colour\">&nbsp; &gt;&gt;<\/span><\/b><span class=\"colour\"> Saisissez les <\/span><b><span class=\"colour\">excentricit\u00e9s<\/span><\/b><span class=\"colour\">, <\/span><b><span class=\"colour\">Ex <\/span><\/b><span class=\"colour\">et <\/span><b><span class=\"colour\">Ey<\/span><\/b><span class=\"colour\"> = <\/span><b><span class=\"colour\">0 <\/span><\/b><span class=\"colour\">mm.<\/span><span><span class=\"colour\">&nbsp;<\/span><\/span><span class=\"colour\">Le premier pieu se trouvera alors exactement \u00e0 la position du point de r\u00e9f\u00e9rence choisi.<\/span><\/span><span class=\"colour\"><br \/><\/span><\/div>\n<div><span><b><span class=\"colour\">&nbsp; &gt;&gt;<\/span><\/b><span class=\"colour\"> Saisissez les <\/span><b><span class=\"colour\">espacements de pieux, Sx <\/span><\/b><span class=\"colour\">et<\/span><b><span class=\"colour\"> Sy<\/span><\/b><span class=\"colour\"> = <\/span><b><span class=\"colour\">1250 <\/span><\/b><span class=\"colour\">mm.<\/span><span><span class=\"colour\">&nbsp;<\/span><\/span><span class=\"colour\">Cela donnera une disposition r\u00e9guli\u00e8re des pieux, espac\u00e9s de 1250 mm dans les directions horizontale et verticale du plan.<\/span><\/span><span class=\"colour\"> <br \/><\/span><\/div>\n<div><span class=\"colour\">&nbsp; <\/span><b><span class=\"colour\"> &gt;&gt;<\/span><\/b><span class=\"colour\"> Saisissez la <\/span><b><span class=\"colour\">charge de service admissible en compression<\/span><\/b><span class=\"colour\"> = <\/span><b><span class=\"colour\">300 kN<\/span><\/b> <\/div>\n<div><\/div>\n<\/div>\n<div><span class=\"KB_New_Editor_Highlights\" style=\"margin: 10px 0px;position: relative;padding: 10px 10px 10px 40px\"><img decoding=\"async\" alt=\"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-d1217ed926ed3b3eb6474d7e4098d494.png\"><\/p>\n<div><span class=\"colour\">Si vous souhaitez indiquer un autre emplacement de pieu, vous devrez modifier sa position (Ex, Ey) apr\u00e8s cr\u00e9ation, en s\u00e9lectionnant chaque pieu tour \u00e0 tour &gt; <\/span><b><span class=\"colour\">Clic droit <\/span><\/b><span class=\"colour\"> <\/span><span><span class=\"colour\">&nbsp;<\/span><\/span><span class=\"colour\">&gt; <\/span><b><span class=\"colour\">Propri\u00e9t\u00e9s.<\/span><\/b><span class=\"colour\"><\/span><\/div>\n<div><span class=\"colour\">La charge de service admissible du pieu pour les combinaisons verticales sera pond\u00e9r\u00e9e comme indiqu\u00e9 en bas de la bo\u00eete de dialogue.<\/span><\/div>\n<p><\/span><\/div>\n<h2 id=\"FE_Piled_Raft_Analysis__Pile_Report\" class=\"toc_anchors\"><span><span class=\"colour\">Analyse EF du radier sur pieux et rapport des pieux<\/span><\/span><span class=\"colour\"><br \/><\/span><\/h2>\n<div><span><b><span class=\"colour\">&nbsp;&gt;&gt; <\/span><\/b><span class=\"colour\">Ex\u00e9cutez <\/span><b><span class=\"colour\">Analyse EF du radier<\/span><\/b><\/span><\/div>\n<div><\/div>\n<div><span><b><span class=\"colour\"><img decoding=\"async\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-73c57205aab9f6477e7088b772880c08.png\" style=\"padding: 0px;max-width: 100%\"><\/span><\/b><\/span> <\/div>\n<\/div>\n<div><b style=\"text-indent: -0.25in\"><span class=\"colour\">&nbsp; &gt;&gt;<\/span><\/b><i style=\"text-indent: -0.25in\"><b><span class=\"colour\"> <\/span><\/b><\/i><span class=\"colour\" style=\"text-indent: -0.25in\">Cocher \u00ab <\/span><b style=\"text-indent: -0.25in\"><span class=\"colour\">Ignorer la capacit\u00e9 portante du sol<\/span><\/b><span class=\"colour\" style=\"text-indent: -0.25in\"> \u00bb (comme illustr\u00e9 ci-dessus)<\/span><\/div>\n<div>\n<div>\n<div><span class=\"KB_New_Editor_Highlights\" style=\"margin: 10px 0px;position: relative;padding: 10px 10px 10px 40px\"><img decoding=\"async\" alt=\"Info\" 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-6986d84b41829989b44ce41331a0be99.png\"><span class=\"colour\">Cela signifie que le radier est enti\u00e8rement support\u00e9 par les pieux, sans contribution du sol. <\/span><span><span class=\"colour\">&nbsp;<\/span><\/span><span class=\"colour\">Il fonctionnera alors comme une semelle sur pieux.<\/span><\/p>\n<p class=\"MsoNormal\"><span><span class=\"colour\">Si cette option n&rsquo;est pas coch\u00e9e, le radier reposera \u00e9galement sur le sol. Les efforts r\u00e9sultants dans les pieux devraient alors diminuer, la charge \u00e9tant partag\u00e9e avec le radier \u00ab non suspendu \u00bb.<\/span><\/span><\/p>\n<div><span><span class=\"colour\">Vous pouvez aussi saisir un nombre tr\u00e8s faible pour le <b>Coefficient de r\u00e9action du sol<\/b>, c&rsquo;est-\u00e0-dire la rigidit\u00e9 du sol (exemple 0,01)<\/span><br \/><\/span><\/div>\n<p><\/span><\/div>\n<\/div>\n<div><b><span class=\"colour\">&nbsp; &gt;&gt; <\/span><\/b><span class=\"colour\">Cliquer sur <\/span><b><span class=\"colour\">Maillage et analyse des planchers<\/span><\/b><span class=\"colour\"><b>&nbsp;<\/b> <\/span><b><span class=\"colour\">&gt; OK <\/span><\/b><span class=\"colour\">pour fermer la bo\u00eete de dialogue de maillage apr\u00e8s un maillage r\u00e9ussi <br \/><\/span><\/div>\n<\/div>\n<div><b><span class=\"colour\">&nbsp; &gt;&gt;<\/span><\/b><span class=\"colour\">&nbsp;Cliquer sur <\/span><b><span class=\"colour\">Rapport de r\u00e9sultats des pieux&nbsp;<\/span><\/b><span class=\"colour\">dans l&rsquo;onglet Traitement post-analyse et rapport<\/span><\/div>\n<div><\/div>\n<div><img decoding=\"async\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-b0541134b72aaf5e103a149aaa458098.png\" style=\"padding: 0px;max-width: 100%;width: 365px;height: auto\" data-zdeskdocid=\"img_28975015654620173\" class=\"docsimage\" data-zdeskdocselectedclass=\"original\"> <\/div>\n<div><\/div>\n<div><b><span class=\"colour\">&nbsp; &gt;&gt;&nbsp;&nbsp;<\/span><\/b><span class=\"colour\">Choisir les options par d\u00e9faut dans <\/span><b><span class=\"colour\">Options du rapport sur les pieux &gt; OK &gt;&nbsp;<\/span><\/b><span class=\"colour\">Le rapport sera g\u00e9n\u00e9r\u00e9 (exemple ci-dessous)<\/span><\/div>\n<div><\/div>\n<div><img decoding=\"async\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-41a89753b2d12be38888cb25e16bc930.png\" style=\"padding: 0px;max-width: 100%\"> <\/div>\n<div><\/div>\n<div>\n<div><span class=\"KB_New_Editor_Highlights\" style=\"margin: 10px 0px;position: relative;padding: 10px 10px 10px 40px\"><img decoding=\"async\" alt=\"Info\" 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-6986d84b41829989b44ce41331a0be99.png\"> <\/p>\n<div><span class=\"colour\">La capacit\u00e9 du pieu correspond \u00e0 la <\/span><b><span class=\"colour\">Charge de compression de travail admissible<\/span><\/b><span class=\"colour\"> multipli\u00e9e par le <\/span><b><span class=\"colour\">Facteur de r\u00e9sistance ultime<\/span><\/b><span class=\"colour\"> dans les Param\u00e8tres de fondation, soit <\/span><b><span class=\"colour\">300 kN x 1.25 = 375 kN<\/span><\/b><\/div>\n<div><span class=\"colour\">S&rsquo;il y a des pieux en \u00e9chec, la solution peut consister \u00e0 augmenter la capacit\u00e9 de compression des pieux ou \u00e0 augmenter leur nombre (ou les deux)<\/span> <\/div>\n<p><\/span><\/div>\n<div><b><span class=\"colour\">&nbsp;&gt;&gt;<\/span><\/b><span class=\"colour\"> <\/span><span><span class=\"colour\">&nbsp;Fermer l&rsquo;aper\u00e7u du rapport<\/span><\/span><\/div>\n<\/div>\n<div><b><span class=\"colour\">&nbsp;&gt;&gt;<\/span><\/b><span class=\"colour\"> Cliquer sur <\/span><b><span class=\"colour\">Afficher le mod\u00e8le analytique<\/span><\/b><span class=\"colour\"> dans l&rsquo;onglet Traitement post-analyse et rapport &gt; une nouvelle vue Mod\u00e8le de fondation EF sera cr\u00e9\u00e9e <br \/><\/span><\/div>\n<div><b><span class=\"colour\">&nbsp; &gt;&gt;&nbsp;<\/span><\/b><span class=\"colour\">Cliquer sur la&nbsp; <\/span><span><b><span class=\"colour\">Mod\u00e8le de fondation EF<\/span><\/b><span class=\"colour\"> vue, et les rubans du mod\u00e8le analytique associ\u00e9s appara\u00eetront.&nbsp;&nbsp;<\/span><\/span><span class=\"colour\"> <br \/><\/span><\/div>\n<div><span><b><span class=\"colour\">&nbsp;&gt;&gt;<\/span><\/b><span class=\"colour\"> Aller dans l&rsquo;onglet Contours &gt; <\/span><b><span class=\"colour\">D\u00e9sactiver tous les contours<\/span><\/b><span class=\"colour\"> pour une vue plus claire (comme illustr\u00e9 ci-dessous)<\/span><\/span><\/div>\n<div><\/div>\n<div><img decoding=\"async\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-fd51485445b4bd6c28d7894ec1ca0cad.png\" style=\"padding: 0px;max-width: 100%;width: 531px;height: auto\" data-zdeskdocid=\"img_7244538978486994\" class=\"docsimage\" data-zdeskdocselectedclass=\"original\"><\/div>\n<div><\/div>\n<div><span><span class=\"colour\">&nbsp;<\/span><b><span class=\"colour\">&gt;&gt;<\/span><\/b><span class=\"colour\"> Aller \u00e0 l&rsquo;onglet <\/span><b><span class=\"colour\">\u00c9l\u00e9ments<\/span><\/b><span class=\"colour\"> &gt; D\u00e9sactiver &quot;<\/span><b><span class=\"colour\">Charges<\/span><\/b><span class=\"colour\">&quot; &gt; Cela d\u00e9sactive toutes les charges nodales de la superstructure pour une meilleure vue&nbsp; (comme illustr\u00e9 ci-dessous)<\/span><\/span><span class=\"colour\"> <br \/><\/span><\/div>\n<div><b><span class=\"colour\">&nbsp;&gt;&gt;<\/span><\/b><span class=\"colour\">&nbsp; Activer &quot; <\/span><b><span class=\"colour\">Efforts dans les pieux<\/span><\/b><span class=\"colour\">&quot; &gt; Cela active l&rsquo;affichage des efforts dans les pieux<\/span><\/div>\n<div><\/div>\n<div><img decoding=\"async\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-7f78036a30c2b91f6b433715edfa1b34.png\" style=\"padding: 0px;max-width: 100%\"> <\/div>\n<div><b><span class=\"colour\">&nbsp;&gt;&gt;&nbsp;<\/span><\/b><span class=\"colour\"> S\u00e9lectionner la premi\u00e8re combinaison de charges&nbsp; <\/span><b><span class=\"colour\">G+Q<\/span><\/b><span class=\"colour\">, les efforts dans les pieux s&rsquo;afficheront alors pour cette combinaison de charges s\u00e9lectionn\u00e9e&nbsp; <br \/><\/span><\/div>\n<div><span class=\"colour\">&nbsp;<\/span><b><span class=\"colour\">&gt;&gt;&nbsp;<\/span><\/b><span class=\"colour\"> S\u00e9lectionner <\/span><b><span class=\"colour\">Enveloppe (min) et<\/span><\/b><span class=\"colour\"> <\/span><b><span class=\"colour\">Enveloppe (max)<\/span><\/b><span class=\"colour\"> \u2013 ce qui affichera les valeurs minimales et maximales de toutes les combinaisons de charges (comme illustr\u00e9 ci-dessous)<\/span><\/div>\n<div><\/div>\n<div><img decoding=\"async\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-8e29cb467874d4f96e87300fad84401e.png\" style=\"padding: 0px;max-width: 100%\"> <\/div>\n<div><\/div>\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-d1217ed926ed3b3eb6474d7e4098d494.png\"><\/p>\n<div><span>Une valeur n\u00e9gative pour le pieu signifie une compression, une valeur positive signifie une traction. Ces valeurs sont v\u00e9rifi\u00e9es selon la limite de compression ou de traction correspondante.<\/span><span class=\"colour\"><\/span><\/div>\n<div><span class=\"colour\">Les pieux sont cod\u00e9s par couleur pour indiquer une r\u00e9ussite en<\/span><span class=\"colour\"> <\/span><b><span class=\"colour\">Vert<\/span><\/b> <span class=\"colour\">ou un \u00e9chec en<\/span> <b><span class=\"colour\">Rouge<\/span><\/b>.&nbsp; <span class=\"colour\">Ce sont les m\u00eames valeurs et limites que celles indiqu\u00e9es dans le Rapport de r\u00e9sultats des pieux.&nbsp;<\/span> <\/div>\n<p><\/span><\/div>\n<div><span><span class=\"colour\">&nbsp;&nbsp;<\/span><\/span><span class=\"colour\"> <\/span><b><span class=\"colour\">&gt;&gt;<\/span><\/b><span class=\"colour\"> <\/span><span><span class=\"colour\">&nbsp;Le radier (d\u00e9sormais totalement suspendu) peut alors \u00eatre dimensionn\u00e9 de la m\u00eame mani\u00e8re que les dalles maill\u00e9es par \u00e9l\u00e9ments finis, en consultant les <\/span><b><span class=\"colour\">contours As (d)<\/span><\/b><span class=\"colour\">&nbsp;dans l&rsquo;onglet <\/span><b><span class=\"colour\">Contours<\/span><\/b><span class=\"colour\">.&nbsp;<\/span><\/span><\/div>\n<div>\n<div><span class=\"KB_New_Editor_Highlights\" style=\"margin: 10px 0px;position: relative;padding: 10px 10px 10px 40px\"><img decoding=\"async\" alt=\"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-d1217ed926ed3b3eb6474d7e4098d494.png\"> <\/p>\n<div><span class=\"colour\">Le calcul des dalles de fondation sur radier sur pieux est similaire \u00e0 celui d&rsquo;un plancher-dalle. Consultez cet article et le manuel de plancher-dalle joint pour plus de d\u00e9tails :<\/span>&nbsp; <a href=\"https:\/\/support.protasoftware.com\/portal\/en\/kb\/articles\/working-with-flat-slabs#Flat_Slab_Guidelines\" target=\"_blank\" rel=\"noopener noreferrer\">Travailler avec les planchers-dalles<\/a><\/div>\n<div><span class=\"colour\">Les v\u00e9rifications au poin\u00e7onnement ne peuvent pas \u00eatre effectu\u00e9es pour une fondation sur radier sur pieux, car le p\u00e9rim\u00e8tre de cisaillement est complexe et influenc\u00e9 par la position irr\u00e9guli\u00e8re des pieux.&nbsp;<\/span><\/div>\n<p><\/span><\/div>\n<div><span><span class=\"colour\">&nbsp;&nbsp;<\/span><\/span><b><span class=\"colour\">&gt;&gt;&nbsp;<\/span><\/b><span class=\"colour\">Cliquer sur la vue <\/span><b><span class=\"colour\">\u00c9tage : 0 (Plan)<\/span><\/b><span class=\"colour\"> <br \/><\/span><\/div>\n<div><b><span class=\"colour\">&nbsp; &gt;&gt;&nbsp;<\/span><\/b><span class=\"colour\">Aller dans l&rsquo;onglet <\/span><b><span class=\"colour\">R\u00e9vision <\/span><\/b><span class=\"colour\">&gt; Cliquer sur <\/span><b><span class=\"colour\">Interrogation visuelle&nbsp;<\/span><\/b> <\/div>\n<div><\/div>\n<div><img decoding=\"async\" style=\"padding: 0px;max-width: 100%\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-61613a5867f0633dd15e08dc55a19a0d.png\"> <\/div>\n<\/div>\n<div>\n<div><\/div>\n<div><b><span class=\"colour\">&nbsp; &gt;&gt; <\/span><\/b><span class=\"colour\">S\u00e9lectionnez <\/span><b><span class=\"colour\">Statut de capacit\u00e9 des pieux&nbsp;<\/span><\/b><span class=\"colour\">pour <\/span><b><span class=\"colour\">Crit\u00e8res de coloration&nbsp;<\/span><\/b><span class=\"colour\">&gt; <\/span><b><span class=\"colour\">OK&nbsp;<\/span><\/b> <\/div>\n<div>\n<div><span class=\"KB_New_Editor_Highlights\" style=\"margin: 10px 0px;position: relative;padding: 10px 10px 10px 40px\"><img decoding=\"async\" alt=\"Remarques\" 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-d1217ed926ed3b3eb6474d7e4098d494.png\"><\/p>\n<div><span class=\"colour\">Le statut de capacit\u00e9 des pieux s&rsquo;affiche comme ci-dessus, \u00e0 savoir<\/span><span> <\/span><b><span class=\"colour\">Vert <\/span><\/b><span class=\"colour\">= <\/span><b><span class=\"colour\">R\u00e9ussite<\/span>,<\/b><span>&nbsp; <\/span><b><span class=\"colour\">Orange <\/span><\/b><span class=\"colour\">= <\/span><b><span class=\"colour\">&gt; 90 % de capacit\u00e9<\/span><\/b><span class=\"colour\"> et<\/span><span> <\/span><b><span class=\"colour\"> Rouge <\/span><\/b><span class=\"colour\">= <\/span><b><span class=\"colour\">\u00c9chec<\/span>&nbsp;<\/b><span class=\"colour\"><\/span><\/div>\n<p><\/span><\/div>\n<h2 id=\"Changing_Pile_Properties\" class=\"toc_anchors\"><span><span class=\"colour\">Modification des propri\u00e9t\u00e9s des pieux<\/span><\/span><span class=\"colour\"><br \/><\/span><\/h2>\n<div><span class=\"colour\">Les propri\u00e9t\u00e9s et l&#8217;emplacement des pieux peuvent \u00eatre modifi\u00e9s :&nbsp; <br \/><\/span><\/div>\n<\/div>\n<\/div>\n<div><span class=\"colour\">&nbsp; <\/span><b><span class=\"colour\">&gt;&gt;<\/span><\/b><span class=\"colour\"> Veillez \u00e0 acc\u00e9der \u00e0 la vue <\/span><b><span class=\"colour\"> \u00c9tage : 0 (Plan)<\/span><\/b><span class=\"colour\"><br \/><\/span><\/div>\n<div><b><span class=\"colour\">&nbsp;&gt;&gt;<\/span><\/b><span class=\"colour\"> S\u00e9lectionnez un seul pieu ou maintenez la touche <\/span><b><span class=\"colour\"> CTRL<\/span><\/b><span class=\"colour\"> enfonc\u00e9e pour s\u00e9lectionner plusieurs pieux&nbsp;<\/span> <\/div>\n<div>\n<div><span class=\"KB_New_Editor_Highlights\" style=\"margin: 10px 0px;position: relative;padding: 10px 10px 10px 40px\"><img decoding=\"async\" alt=\"Info\" 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-6986d84b41829989b44ce41331a0be99.png\"><\/p>\n<div><span class=\"colour\">Vous pouvez aussi acc\u00e9der aux options du <\/span><b><span class=\"colour\">Filtre de s\u00e9lection<\/span><span class=\"colour\">&nbsp;<\/span><img decoding=\"async\" alt=\"\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-25baea6963109f90cdb3a578a52f09b3.png\" style=\"padding: 0px;max-width: 100%\"><span class=\"colour\">&nbsp;<\/span><\/b><span class=\"colour\">dans l&rsquo;onglet <\/span><b><span class=\"colour\">Mod\u00e9lisation <\/span><\/b><span class=\"colour\">, puis activez uniquement Pieux. Il est alors facile de cliquer-glisser une fen\u00eatre pour ne s\u00e9lectionner que les pieux.<\/span><span class=\"colour\"><\/span><\/div>\n<p><\/span><\/div>\n<div><b><span class=\"colour\">&nbsp; &gt;&gt;<\/span><\/b><span class=\"colour\"> <\/span><b><span class=\"colour\">Clic droit &gt; Choisissez Propri\u00e9t\u00e9s<\/span><\/b><\/div>\n<\/div>\n<div><span class=\"colour\">Cela r\u00e9affiche la bo\u00eete de dialogue Propri\u00e9t\u00e9s du pieu.<\/span><\/div>\n<div><\/div>\n<div><img decoding=\"async\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-d88876f1ba70e1e0cf9c5cc3e010bb68.png\" style=\"padding: 0px;max-width: 100%\"><\/div>\n<div><\/div>\n<div><span>Vous pouvez maintenant modifier les propri\u00e9t\u00e9s des pieux telles que la taille, l&#8217;emplacement (excentricit\u00e9s) et la charge de service admissible.&nbsp;<\/span><\/div>\n<div>\n<div>\n<div><span class=\"KB_New_Editor_Highlights\" style=\"margin: 10px 0px;position: relative;padding: 10px 10px 10px 40px\"><img decoding=\"async\" alt=\"Alerte\" 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-7b6a42d548730ac18a383d64604fcb7d.png\"> <\/p>\n<div><span class=\"colour\">Apr\u00e8s la modification des propri\u00e9t\u00e9s des pieux, relancez l&rsquo;Analyse de fondation par \u00e9l\u00e9ments finis (EF). Il n&rsquo;est pas n\u00e9cessaire de relancer l&rsquo;Analyse du b\u00e2timent si la superstructure reste inchang\u00e9e (dimensions des \u00e9l\u00e9ments ou charges, par exemple).<\/span> <\/div>\n<p><\/span><\/div>\n<h2 class=\"toc_anchors\" id=\"Release_Column_Top_Node_in_X_and_Y_direction_for_FE_foundation_Model\"><span class=\"colour\">Lib\u00e9ration du n\u0153ud sup\u00e9rieur du poteau selon X et Y pour le mod\u00e8le de fondation EF<\/span><br \/><\/h2>\n<div><\/div>\n<div><img decoding=\"async\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-139ba750a11197ba9f85432c7727fa11.png\" style=\"padding: 0px;max-width: 100%\"><\/div>\n<div><b><span class=\"colour\">Option coch\u00e9e<\/span><\/b><span class=\"colour\"> :<\/span><\/div>\n<\/div>\n<ol>\n<li style=\"list-style-type: square\"><span class=\"colour\">Les n\u0153uds sup\u00e9rieurs des poteaux sont libres de se d\u00e9placer et de tourner. <\/span><span class=\"colour\">L&rsquo;effet du moment provenant de l&rsquo;amorce de poteau est pris en compte, et le radier tourne.<\/span><\/li>\n<li style=\"list-style-type: square\"><span class=\"colour\">Les <\/span><span class=\"colour\">r\u00e9sultats se rapprochent de l&rsquo;hypoth\u00e8se d&rsquo;une semelle sur pieux parfaitement rigide.&nbsp;<\/span><\/li>\n<li style=\"list-style-type: square\"><span class=\"colour\">En raison de l&rsquo;effet des moments, les efforts axiaux dans les pieux diff\u00e8rent nettement les uns des autres.&nbsp;<\/span><\/li>\n<li style=\"list-style-type: square\"><span class=\"colour\">Cette approche est g\u00e9n\u00e9ralement plus conservatrice pour obtenir les efforts maximaux dans les pieux. Les moments entra\u00eenent des charges axiales plus \u00e9lev\u00e9es pour les pieux \u00e9loign\u00e9s de l&rsquo;amorce de poteau.&nbsp;<\/span><\/li>\n<\/ol>\n<div><b><span class=\"colour\">Option d\u00e9coch\u00e9e<\/span><\/b><span class=\"colour\"> : <\/span><\/div>\n<ol>\n<li style=\"list-style-type: square\"><span class=\"colour\">Les n\u0153uds sup\u00e9rieurs des poteaux sont bloqu\u00e9s en translation selon X et Y. <\/span><span class=\"colour\"><br \/><\/span><\/li>\n<li style=\"list-style-type: square\"><span class=\"colour\">La rotation du radier ou de la semelle sur pieux est minimale, car le moment de l&rsquo;amorce de poteau est pratiquement ignor\u00e9.&nbsp;<\/span><span class=\"colour\"><br \/><\/span><\/li>\n<li style=\"list-style-type: square\"><span class=\"colour\">Les efforts axiaux dans les pieux sont plus proches entre eux, c&rsquo;est-\u00e0-dire mieux r\u00e9partis.&nbsp;<\/span><\/li>\n<\/ol>\n<div><\/div>\n<\/div>\n<div><img decoding=\"async\" data-zdeskdocselectedclass=\"best\" class=\"docsimage\" data-zdeskdocid=\"img_14004104576460352\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-4cb12af5585f1d9718cf3ef2f049739f.png\" style=\"padding: 0px;max-width: 100%;width: 439.5px;height: auto\"><img decoding=\"async\" data-zdeskdocselectedclass=\"best\" class=\"docsimage\" data-zdeskdocid=\"img_31976878241720796\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-3fbb628e043180fab5585a2a68409e86.png\" style=\"padding: 0px;max-width: 100%;width: 415.5px;height: auto\"><\/div>\n<div><\/div>\n<h1 id=\"Raft_Foundation_Webinar_Recording\" class=\"toc_anchors\"><span><span class=\"colour\">Enregistrement du webinaire sur la fondation sur radier<\/span><\/span><\/h1>\n<div>\n<div>\n<div><span class=\"colour\">Ce webinaire pr\u00e9sente les proc\u00e9dures de base pour la mod\u00e9lisation, l&rsquo;analyse et le calcul d&rsquo;un exemple de fondation sur radier avec ProtaStructure :&nbsp; <br \/><\/span><\/div>\n<div><\/div>\n<div><\/div>\n<\/div>\n<div><\/div>\n<\/div>\n<div><\/div>\n<p><strong>T\u00e9l\u00e9chargements<\/strong><\/p>\n<ul>\n<li><a href=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/09\/PILECAP01_01.zip\" target=\"_blank\" rel=\"noopener noreferrer\">PILECAP01_01<\/a> (0.1 MB)<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Exemple de radier Cet exemple est bas\u00e9 sur le mod\u00e8le &quot;Quick Start Guide Concrete Complete&quot;, install\u00e9 automatiquement dans le dossier ProtaDataXXXX par d\u00e9faut. Dans cet&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":[34],"whitepaper_topic":[],"whitepaper_product":[],"whitepaper_type":[],"class_list":["post-2235","wiki","type-wiki","status-publish","hentry","category-fe-analysis-of-foundations"],"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>Exemple d&#039;analyse et de calcul de radier et de radier sur pieux<\/title>\n<meta name=\"description\" content=\"Exemple pratique d&#039;analyse et de calcul d&#039;un radier et d&#039;un radier sur pieux, avec mod\u00e9lisation par \u00e9l\u00e9ments finis et v\u00e9rifications normatives.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, 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