{"id":2339,"date":"2026-07-13T11:41:19","date_gmt":"2026-07-13T11:41:19","guid":{"rendered":"https:\/\/protasoftware.com\/fr\/wiki\/calcul-des-elements-en-acier-2\/"},"modified":"2026-07-13T11:41:19","modified_gmt":"2026-07-13T11:41:19","slug":"calcul-des-elements-en-acier-2","status":"publish","type":"wiki","link":"https:\/\/protasoftware.com\/fr\/support\/manuels-techniques\/calcul-des-elements-en-acier-2\/","title":{"rendered":"Calcul des \u00e9l\u00e9ments en acier"},"content":{"rendered":"<p><span><span><span><span><span><span><span><span><span><span><span><span>Avant de calculer les \u00e9l\u00e9ments en acier, il faut mod\u00e9liser ces \u00e9l\u00e9ments et effectuer l&rsquo;analyse du b\u00e2timent.<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><span><br \/><\/span><\/p>\n<p><span><span><span><span><span><span><span><span><span><span><span><span>Actuellement, ProtaStructure permet de mod\u00e9liser et de calculer les \u00e9l\u00e9ments en acier suivants :<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><span><br \/><\/span><\/p>\n<ul>\n<li><span><span><u><a href=\"https:\/\/support.protasoftware.com\/portal\/en\/kb\/articles\/working-with-steel-frame-ps-2022#Define_a_New_frame\" target=\"_blank\" rel=\"noopener noreferrer\">Ossature acier<\/a><\/u><\/span><\/span><\/li>\n<li><span><a href=\"https:\/\/support.protasoftware.com\/portal\/en\/kb\/articles\/working-with-columns\" target=\"_blank\" rel=\"noopener noreferrer\"><span><span><span><span><span><span><span><span><span><span>Poteau acier<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/a><br \/><\/span><\/li>\n<li><span><a href=\"https:\/\/support.protasoftware.com\/portal\/en\/kb\/articles\/defining-a-new-brace\" target=\"_blank\" rel=\"noopener noreferrer\"><span><span><span><span><span><span><span><span><span><span>Contreventement acier<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/a><br \/><\/span><\/li>\n<li><span><a href=\"https:\/\/support.protasoftware.com\/portal\/en\/kb\/articles\/defining-a-new-girts\" target=\"_blank\" rel=\"noopener noreferrer\"><span><span><span><span><span><span><span><span><span><span>Lisse acier<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/a> <br \/><\/span><\/li>\n<li><span><a href=\"https:\/\/support.protasoftware.com\/portal\/en\/kb\/articles\/working-with-purlins\" target=\"_blank\" rel=\"noopener noreferrer\"><span><span><span><span><span><span><span><span><span><span>Panne acier<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/a><br \/><\/span><\/li>\n<li><span><span><span><span><span><span><span><span><span><a href=\"https:\/\/support.protasoftware.com\/portal\/en\/kb\/articles\/working-with-truss\" target=\"_blank\" rel=\"noopener noreferrer\"><span><span>Treillis acier<\/span><\/span><\/a><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/li>\n<li><a target=\"_blank\" href=\"https:\/\/support.protasoftware.com\/portal\/en\/kb\/articles\/working-with-space-truss#Inserting_a_Space_Truss\" rel=\"noopener noreferrer\"><span>Treillis spatial<\/span><\/a><\/li>\n<li><a href=\"http:\/\/Allows you to perform batch design for space trusses\"><span>D\u00f4mes acier<\/span><\/a> <\/li>\n<li><a target=\"_blank\" href=\"https:\/\/support.protasoftware.com\/portal\/en\/kb\/articles\/composite-beam-design-general-principles\" rel=\"noopener noreferrer\"><span>Poutre mixte<\/span><\/a><\/li>\n<\/ul>\n<p><span class=\"KB_New_Editor_Highlights\"> <\/p>\n<p><span><span><span><span><span>Notez que ProtaStructure ne calcule actuellement aucune section en acier form\u00e9 \u00e0 froid. ProtaStructure calcule uniquement les structures en acier conventionnelles (acier lamin\u00e9 \u00e0 chaud). <\/span><\/span><\/span><\/span><\/span><span><br \/><\/span><\/p>\n<p><span><\/span><\/p>\n<p><span><\/span><span><span><span>Lorsque des \u00e9l\u00e9ments form\u00e9s \u00e0 froid sont d\u00e9finis comme panne, lisse, poutre, etc., ils peuvent transf\u00e9rer les charges (y compris le poids propre) aux \u00e9l\u00e9ments principaux (poutre, treillis ou poteaux). ProtaStructure ne peut alors qu&rsquo;analyser leurs efforts ; le calcul acier n&rsquo;est pas effectu\u00e9.<\/span><\/span><\/span><\/p>\n<p><\/span><\/p>\n<p><span><span><span><span><span><span><span><span><span><span><span><span>Les \u00e9l\u00e9ments en acier peuvent \u00eatre calcul\u00e9s un par un en s\u00e9lectionnant l&rsquo;\u00e9l\u00e9ment acier sur le mod\u00e8le &gt; clic droit &gt;<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><span><span><span><span><span><span><span><span><span><span><span><span>Calcul de l&rsquo;\u00e9l\u00e9ment acier.<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span> <\/span><\/span><\/span><span><span><span><\/span><\/span><\/span><\/span><span><br \/><\/span><\/p>\n<p><b><span><span><span><span><span><span><span><span><span><span><span><span>Le calcul par lot des \u00e9l\u00e9ments acier <\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/b><span><span><span><span><span><span><span><span><span><span><span><span>peut \u00eatre effectu\u00e9 en acc\u00e9dant aux formulaires correspondants pour le calcul des \u00e9l\u00e9ments acier dans le menu ruban <\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><b><i><span><span><span><span><span><span><span><span><span><span>&quot;Calcul&quot;<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/i><\/b><span><span><span><span><span><span><span><span><span><span>. <\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span> <\/span><\/span><\/span><span><span><span><\/span><\/span><b><i><span><span><\/span><\/span><\/i><\/b><span><span><\/span><\/span><\/span><\/span><span><br \/><\/span><\/p>\n<p><span><span><span><span><span><span><span><span><span><span><span><span>Dans le menu ruban <\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><b><i><span><span><span><span><span><span><span><span><span><span><span>&quot;Calcul&quot;<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/i><\/b><span><span><span><span><span><span><span><span><span><span><span>, les boutons suivants sont disponibles :<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-48bf64db684c69bd14c731ecaf621a4b.png\"><\/p>\n<ul>\n<li><b><span><span><span><span><span><span><span><span>Poteaux <\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/b><span><span><span><span><span><span><span><span>: permet d&rsquo;effectuer le calcul par lot des poteaux acier<\/span><\/span><\/span><\/span><\/span><\/span><\/span><br \/><\/span><\/li>\n<li><b><span><span><span><span><span><span><span><span>Ossatures <\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/b><span><span><span><span><span><span><span><span>: permet d&rsquo;effectuer le calcul par lot des poutres acier<\/span><\/span><\/span><\/span><\/span><\/span><\/span><br \/><\/span><\/li>\n<li><b><span><span><span><span><span><span><span><span>Contreventements <\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/b><span><span><span><span><span><span><span><span>: permet d&rsquo;effectuer le calcul par lot des contreventements acier<\/span><\/span><\/span><\/span><\/span><\/span><\/span><br \/><\/span><\/li>\n<li><b><span><span><span><span><span><span><span><span>Pannes <\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/b><span><span><span><span><span><span><span><span>: permet d&rsquo;effectuer le calcul par lot des pannes acier<\/span><\/span><\/span><\/span><\/span><\/span><\/span><br \/><\/span><\/li>\n<li><b><span><span><span><span><span><span><span><span>Lisses <\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/b><span><span><span><span><span><span><span><span>: permet d&rsquo;effectuer le calcul par lot des lisses acier<\/span><\/span><\/span><\/span><\/span><\/span><\/span><br \/><\/span><\/li>\n<li><b><span><span><span><span><span><span><span><span>Treillis <\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/b><span><span><span><span><span><span><span><span>: permet d&rsquo;effectuer le calcul par lot des treillis acier<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/li>\n<li><span><span><span><span><span><span><span><span><b>Treillis<\/b> spatiaux : permet d&rsquo;<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><span><span>effectuer le calcul par lot des treillis spatiaux<\/span><\/span><\/li>\n<li><span><span><b>D\u00f4mes<\/b> : <\/span><\/span><span><span>permet d&rsquo;<\/span><\/span><span><span>effectuer le calcul par lot des d\u00f4mes<\/span><\/span><\/li>\n<li><span><span><b>Poutres mixtes<\/b> : <\/span><\/span><span><span>permet d&rsquo;<\/span><\/span><span><span>effectuer le calcul par lot des poutres mixtes<\/span><\/span><\/li>\n<li><span><span><b>Groupes d&rsquo;ossatures<\/b> : permet d&rsquo;effectuer le calcul par lot des groupes d&rsquo;ossatures <\/span><\/span><\/li>\n<\/ul>\n<h2 id=\"Steel_Member_Design_Batch_Mode\" class=\"toc_anchors\"><span><span><span><span><span><span><span><span><span><span><span><span>Calcul des \u00e9l\u00e9ments acier (mode par lot)<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><br \/><\/h2>\n<p><span><span><span><span><span><span><span><span>Une bo\u00eete de dialogue de calcul par lot des \u00e9l\u00e9ments acier s&rsquo;affiche lorsqu&rsquo;un des boutons ci-dessus est cliqu\u00e9. Ces bo\u00eetes de dialogue comprennent une rang\u00e9e de boutons en haut et un tableau r\u00e9capitulant le type d&rsquo;\u00e9l\u00e9ments acier correspondant.<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n<p><span class=\"KB_New_Editor_Highlights\"><span><span><span><span><span><span><span><span>Par exemple, si le<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><span><span><span><span><b><i><span><span><span><span><span>&quot;<\/span><\/span><\/span><\/span><\/span><\/i><\/b><\/span><\/span><\/span><b><span><span><i><span><span><span><span><span>Calcul des poteaux&quot; <\/span><\/span><\/span><\/span><\/span><\/i><\/span><\/span><\/b><span><span><span><span><span><span><span>est cliqu\u00e9, le tableau liste tous les poteaux acier du mod\u00e8le. Aucun \u00e9l\u00e9ment n&rsquo;est calcul\u00e9 ni v\u00e9rifi\u00e9 \u00e0 l&rsquo;ouverture de la bo\u00eete de dialogue de calcul par lot.<\/span><\/span><\/span><\/span><\/span> <b><i><span><\/span><\/i><\/b><\/span><\/span><\/span><b><span><span><i><span><\/span><\/i><\/span><\/span><\/b><span><span><span><b><i> <\/i><\/b><\/span><\/span><\/span><span><span><span><\/span><\/span><\/span><\/span><\/p>\n<p><span><span><span><span><span><span><span><span>Dans ces bo\u00eetes de dialogue de calcul par lot des \u00e9l\u00e9ments acier, les boutons suivants sont disponibles :<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><span><br \/><\/span><\/p>\n<ul>\n<li><b><span><span><span><span><span><span><span><span>V\u00e9rifier la s\u00e9lection<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/b><span><span><span><span><span><span><span><span>: Vous devez s\u00e9lectionner un \u00e9l\u00e9ment en acier dans le tableau ci-dessous. Si vous cliquez sur ce bouton, la bo\u00eete de dialogue<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><span><span><span><span><span><span><span><span><span> &quot;<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><span><span><b><i><span><span><span><span><span><span>Calcul d\u00e9taill\u00e9 de l&rsquo;\u00e9l\u00e9ment&quot;<\/span><\/span><\/span><\/span><\/span><\/span><\/i><\/b><\/span><\/span><span><span><span><span><span><span><span><span>s&rsquo;affiche pour les \u00e9l\u00e9ments s\u00e9lectionn\u00e9s<\/span><\/span><\/span><\/span><\/span> <\/span><\/span><\/span><span><span><span><\/span><\/span><\/li>\n<li><b><span><span><span><span><span><span><span><span>Tout v\u00e9rifier<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/b><span><span><span><span><span><span><span><span>: Ce bouton permet de v\u00e9rifier tous les \u00e9l\u00e9ments en acier du tableau ci-dessous.<\/span><\/span><\/span><\/span><\/span><\/span><\/span><br \/><\/span><\/li>\n<li><b><span><span><span><span><span><span><span><span>Marquer tout pour impression<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/b><span><span><span><span><span><span><span><span>: Permet de marquer tous les \u00e9l\u00e9ments en acier pour l&rsquo;impression.<\/span><\/span><\/span><\/span><\/span><\/span><\/span><br \/><\/span><\/li>\n<li><b><span><span><span><span><span><span><span><span>Supprimer toutes les marques d&rsquo;impression<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/b><span><span><span><span><span><span><span><span>: Permet de retirer tous les \u00e9l\u00e9ments de l&rsquo;impression. <\/span><\/span><\/span><\/span><\/span><\/span><\/span><br \/><\/span><\/li>\n<li><b><span><span><span><span><span><span><span><span>Rapport de calcul<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/b><span><span><span><span><span><span><span><span>: g\u00e9n\u00e8re le rapport de calcul des \u00e9l\u00e9ments en acier<\/span><\/span><\/span><\/span><\/span><\/span><\/span><br \/><\/span><\/li>\n<li><b><span><span><span><span><span><span><span><span>Fermer<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/b><span><span><span><span><span><span><span><span>: Permet de fermer cette bo\u00eete de dialogue de calcul group\u00e9 des \u00e9l\u00e9ments en acier<\/span><\/span><\/span><\/span><\/span><\/span><\/span><br \/><\/span><\/li>\n<\/ul>\n<p><span><span><span><span><span><span><span><span>Le tableau r\u00e9capitulatif des \u00e9l\u00e9ments en acier affiche les informations suivantes :<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n<p><span><img decoding=\"async\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-d142a72b440e0d1f409c493303c6a13d.png\" data-zdeskdocid=\"img_41134549108898266\" class=\"docsimage\" data-zdeskdocselectedclass=\"best\"><br \/><\/span><\/p>\n<ul>\n<li><b><span><span><span><span><span><span><span><span>Rep\u00e8re de l&rsquo;\u00e9l\u00e9ment<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/b><span><span><span><span><span><span><span><span>: Affiche les rep\u00e8res des \u00e9l\u00e9ments en acier d\u00e9finis dans le mod\u00e8le<\/span><\/span><\/span><\/span><\/span><\/span><\/span><br \/><\/span><\/li>\n<li><b><span><span><span><span><span><span><span><span>Niveau<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/b><span><span><span><span><span><span><span><span>: Indique le niveau des \u00e9l\u00e9ments en acier<\/span><\/span><\/span><\/span><\/span><\/span><\/span><br \/><\/span><\/li>\n<li><b><span><span><span><span><span><span><span><span>Impression<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/b><span><span><span><span><span><span><span><span>: Si cette case est coch\u00e9e, les r\u00e9sultats sont inclus dans le rapport. Si elle ne l&rsquo;est pas, les r\u00e9sultats sont exclus du rapport.<\/span><\/span><\/span><\/span><\/span><\/span><\/span><br \/><\/span><\/li>\n<li><b><span><span><span><span><span><span><span><span>Section<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/b><span><span><span><span><span><span><span><span>: Affiche le rep\u00e8re de section de l&rsquo;\u00e9l\u00e9ment en acier.<\/span><\/span><\/span><\/span><\/span><\/span><\/span><br \/><\/span><\/li>\n<li><b><span><span><span><span><span><span><span><span>Mat\u00e9riau<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/b><span><span><span><span><span><span><span><span>: Affiche les mat\u00e9riaux des \u00e9l\u00e9ments en acier<\/span><\/span><\/span><\/span><\/span><\/span><\/span><br \/><\/span><\/li>\n<li><b><span><span><span><span><span><span><span><span>Classe de section<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/b><span><span><span><span><span><span><span><span>: Affiche la classe de section des \u00e9l\u00e9ments en acier<\/span><\/span><\/span><\/span><\/span><\/span><\/span><br \/><\/span><\/li>\n<li><b><span><span><span><span><span><span><span><span>\u00c9lancement (KL\/r)<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/b><span><span><span><span><span><span><span><span>: Affiche l&rsquo;\u00e9lancement des \u00e9l\u00e9ments en acier. Si sa valeur est inf\u00e9rieure \u00e0 la limite admissible, il s&rsquo;affiche en <\/span><\/span><\/span><\/span><\/span><\/span><\/span><b><i><span><span><span><span><span><span><span>&quot;<\/span><span>VERT<\/span><span>&quot;<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/i><\/b><span><span><span><span><span><span><span>, soit conforme. Si l&rsquo;\u00e9lancement d\u00e9passe la limite admissible, il est marqu\u00e9 en <\/span><\/span><\/span><\/span><\/span><\/span><\/span><b><i><span><span><span><span><span><span><span>&quot;<\/span><span>ROUGE&quot;<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/i><\/b><span><span><span><span><span><span><span>, soit un avertissement.<\/span><\/span><\/span><\/span><\/span><\/span><\/span><br \/><\/span><\/li>\n<li><b><span><span><span><span><span><span><span><span>Taux de travail<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/b><span><span><span><span><span><span><span><span>: Affiche le taux de travail de l&rsquo;\u00e9l\u00e9ment selon la condition et la combinaison de charges les plus critiques. Si sa valeur est inf\u00e9rieure \u00e0 1,0, le texte est marqu\u00e9 en <\/span><\/span><\/span><\/span><\/span><\/span><\/span><b><i><span><span><span><span><span><span><span>&quot;<\/span><span>VERT<\/span><span>&quot;<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/i><\/b><span><span><span><span><span><span><span> , soit conforme. Sinon, le texte est marqu\u00e9 en <\/span><\/span><\/span><\/span><\/span><\/span><\/span><b><i><span><span><span><span><span><span><span>&quot;<\/span><span>ROUGE<\/span><span>&quot;<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/i><\/b><span><span><span><span><span><span><span>, soit non conforme.<\/span><\/span><\/span><\/span><\/span><\/span><\/span><br \/><\/span><\/li>\n<li><b><span><span><span><span><span><span><span><span>\u00c9tat du calcul<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/b><span><span><span><span><span><span><span><span>: Indique si le calcul de l&rsquo;\u00e9l\u00e9ment en acier est conforme ou non.<\/span><\/span><\/span><\/span><\/span><\/span><\/span><br \/><\/span><\/li>\n<li><b><span><span><span><span><span><span><span><span>V\u00e9rification d\u00e9terminante<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/b><span><span><span><span><span><span><span><span>: Affiche les v\u00e9rifications critiques ou d\u00e9terminantes du calcul de l&rsquo;\u00e9l\u00e9ment en acier.<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/li>\n<\/ul>\n<p><span class=\"KB_New_Editor_Highlights\"> <\/p>\n<p><span><span><span><span><span><span>L&rsquo;utilisateur peut aussi utiliser la fonction de recherche pour trouver un \u00e9l\u00e9ment pr\u00e9cis, en cliquant sur l&rsquo;ic\u00f4ne de recherche <\/span><\/span><\/span><\/span><\/span><\/span><span><span><span><span><span><span> en haut \u00e0 droite, puis saisir le rep\u00e8re de l&rsquo;\u00e9l\u00e9ment. <\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n<p><\/span><\/p>\n<h2 id=\"Check_Selected_Detailed_Member_Design\" class=\"toc_anchors\"><span><span><span><span><span><span><span><span><span><span><span><span>V\u00e9rifier la s\u00e9lection (Calcul d\u00e9taill\u00e9 de l&rsquo;\u00e9l\u00e9ment)<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><br \/><\/h2>\n<p><span><span><span><span><span><span><span><span>La bo\u00eete de dialogue de calcul d\u00e9taill\u00e9 de l&rsquo;\u00e9l\u00e9ment est accessible des fa\u00e7ons suivantes :<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><span><br \/><\/span><\/p>\n<ul>\n<li><span><span><span><span><span><span><span><span>S\u00e9lectionner un \u00e9l\u00e9ment en acier dans le mod\u00e8le &gt; clic droit &gt; <\/span><\/span><\/span><\/span><\/span><\/span><\/span><b><i><span><span><span><span><span><span><span>Calcul de l&rsquo;\u00e9l\u00e9ment en acier<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/i><\/b><br \/><\/span><\/li>\n<li><span><span><span><span><span><span>S\u00e9lectionner un \u00e9l\u00e9ment en acier dans la <\/span><\/span><\/span><\/span><\/span><span><b><i><span><span><span><span>&quot;Calcul group\u00e9 des \u00e9l\u00e9ments en acier<\/span><\/span><\/span><\/span><\/i><\/b><b><i><span><span><span><span>&quot; <\/span><\/span><\/span><\/i><\/b><\/span><span><span><span><span>bo\u00eete de dialogue &gt; cliquer sur<\/span><\/span><\/span><\/span><\/span><i><span> <\/span><\/i><b><i><span><span><\/span><\/span><\/i><\/b><b><i><span><span><\/span><\/i><\/b><\/span><span><span><\/span><\/span><\/span><span><span><b><i><span><span><span><span>&quot;<\/span><\/span><\/span><\/i><\/b><\/span><\/span><span><b><i><span><span><span><span>V\u00e9rifier la s\u00e9lection&quot;<\/span><\/span><\/span><\/span><\/i><\/b><\/span><\/span><span><span> <b><i><span><span><\/span><\/span><\/i><\/b><\/span><\/span><span><b><i><span><span><\/span><\/span><\/i><\/b><br \/><\/span><\/li>\n<li><span><span><span><span><span><span><span><span>Double-cliquer sur un \u00e9l\u00e9ment en acier dans la <\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><span><span><span><b><i><span><span><span><span><span><span>&quot;<\/span><\/span><\/span><\/span><\/span><\/span><\/i><\/b><\/span><\/span><span><b><i><span><span><span><span><span><span>Calcul group\u00e9 des \u00e9l\u00e9ments en acier&quot; <\/span><\/span><\/span><\/span><\/span><\/span><\/i><\/b><span><span><span><span><span><span>bo\u00eete de dialogue<\/span><\/span><\/span><\/span><\/span> <\/span><b><i><span><span><\/span><\/span><\/i><\/b><\/span><\/span><span><b><i><span><span><\/span><\/span><\/i><\/b><span><span><\/span><\/span><br \/><\/span><\/li>\n<\/ul>\n<p><img decoding=\"async\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-d132f145ad5f2ae6370d979ce1d758f0.png\" data-zdeskdocid=\"img_20783299201086058\" class=\"docsimage\" data-zdeskdocselectedclass=\"\"><\/p>\n<p><span><span>Dans cette bo\u00eete de dialogue <\/span><\/span><span><span><b><i>&quot;Calcul d\u00e9taill\u00e9 de l&rsquo;\u00e9l\u00e9ment&quot;<\/i><\/b>, il y a deux onglets : <b><i>&quot;R\u00e9sum\u00e9 du calcul&quot; <\/i><\/b>et <b><i>&quot;Param\u00e8tres&quot;<\/i><\/b>. <b><i><\/i><\/b><\/span><\/span><span><span><b><i><\/i><\/b><\/span><\/span><span><span><b><i> <\/i><\/b><\/span><\/span><span><span><\/span><\/span><span><span> <b><i><\/i><\/b><\/span><\/span><span><span><b><i><\/i><\/b><\/span><\/span><span><span><b><i> <\/i><\/b><\/span><\/span><span><span><b><i><\/i><\/b><\/span><\/span><span><span><b><i> <\/i><\/b><\/span><\/span><span><span><b><i><\/i><\/b><\/span><\/span><span><span><b><i> <\/i><\/b><\/span><\/span><\/p>\n<ul>\n<li>\n<p><span><span><span><span><span><span><span><span>Dans l&rsquo;onglet <\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><span><span><span><span><b><i><span><span><span><span><span>&quot;<\/span><\/span><\/span><\/span><\/span><\/i><\/b><\/span><\/span><\/span><span><span><span><span><b><i><span><span><span><span><span>R\u00e9sum\u00e9 du calcul<\/span><\/span><\/span><\/span><\/span><\/i><\/b><\/span><\/span><b><span><span><span><i><span><span><span><span><span>&quot; <\/span><\/span><\/span><\/span><\/span><\/i><\/span><\/span><\/span><\/b><span><span><span><span><span><span><span>, les informations suivantes sont disponibles :<\/span><\/span><\/span><\/span><\/span><i> <\/i><b><i><span><\/span><\/i><\/b><\/span><\/span><\/span><span><span><b><i><span><\/span><\/i><\/b><\/span><\/span><b><span><span><span><i><span><\/span><\/i> <\/span><\/span><\/span><\/b><span><span><span><\/span><\/span><br \/><\/span><\/p>\n<ul>\n<li><span><span><span><span><span><span><span><span>Propri\u00e9t\u00e9s de la section de l&rsquo;\u00e9l\u00e9ment m\u00e9tallique<\/span><\/span><\/span><\/span><\/span><\/span><\/span><br \/><\/span><\/li>\n<li><span><span><span><span>Param\u00e8tres g\u00e9n\u00e9raux : code de calcul, coefficients partiels de r\u00e9sistance et longueur efficace<\/span><\/span><\/span><br \/><\/span><\/li>\n<li><span><span><span><span>Classification de la section<\/span><\/span><\/span><br \/><\/span><\/li>\n<li><span><span><span><span>V\u00e9rification des efforts combin\u00e9s<\/span><\/span><\/span><br \/><\/span><\/li>\n<li><span><span><span><span>V\u00e9rification de la compression axiale<\/span><\/span><\/span><br \/><\/span><\/li>\n<li><span><span><span><span>V\u00e9rification au cisaillement<\/span><\/span><\/span><br \/><\/span><\/li>\n<li><span><span><span><span>V\u00e9rification \u00e0 la torsion<\/span><\/span><\/span><\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><span class=\"KB_New_Editor_Highlights\"><\/p>\n<p>Les combinaisons de charges critiques sont affich\u00e9es \u00e0 c\u00f4t\u00e9 des v\u00e9rifications correspondantes.<\/p>\n<p><\/span><\/p>\n<p><span><span><span><span>Vous pouvez cliquer sur <\/span><\/span><\/span><span><span><span><span><b><i><span>&quot;<\/span><\/i><\/b><\/span><\/span><\/span><span><span><b><i><span>D\u00e9tails du calcul&quot; <\/span><\/i><\/b><span>dans chaque v\u00e9rification pour d\u00e9velopper et afficher les informations calcul\u00e9es suppl\u00e9mentaires. Cliquez \u00e0 nouveau pour les masquer.<\/span> <b><i><span><\/span><\/i><\/b><\/span><\/span><\/span><span><span><b><i><span><\/span><\/i><\/b><\/span><b><span><i> <\/i><\/span><\/b><span><span><\/span><\/span><\/span><\/span><span><br \/><\/span><\/p>\n<ul>\n<li>\n<p><span><span><span><span>Dans l&rsquo;onglet <\/span><\/span><\/span><\/span><span><span><span><span><b><i><span>&quot;<\/span><\/i><\/b><\/span><\/span><\/span><span><span><b><i><span>Param\u00e8tres&quot; <\/span><\/i><\/b><span>&gt; <b>Flambement<\/b> &gt; si <\/span><b><i><span>&quot;Modifier manuellement le param\u00e8tre de flambement&quot; <\/span><\/i><\/b><span>est coch\u00e9, vous pouvez saisir les param\u00e8tres suivants d\u00e9finis par l&rsquo;utilisateur pour le calcul :<\/span> <\/span><\/span><\/span><\/p>\n<\/li>\n<\/ul>\n<blockquote class=\"zde_indent\">\n<p><img decoding=\"async\" data-zdeskdocselectedclass=\"best\" class=\"docsimage\" data-zdeskdocid=\"img_715457733441329\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-15c689091e5e020d8c8544f9686b6300.png\"><\/p>\n<ol>\n<li><span><span><span><span>Longueur de contreventement majeure, Lx<\/span><\/span><\/span><\/span><\/li>\n<li><span><span><span><span>Longueur de contreventement mineure, Ly<\/span><\/span><\/span><\/span><\/li>\n<li><span><span><span><span>Coefficient de longueur de flambement majeur, Kx<\/span><\/span><\/span><\/span><\/li>\n<li><span><span><span><span>Coefficient de longueur de flambement mineur, Ky<\/span><\/span><\/span><\/span><\/li>\n<li><span><span><span><span>Distance entre raidisseurs transversaux<\/span><\/span><\/span><\/span><\/li>\n<li><span><span><span><span>Longueur de d\u00e9versement, Lb<\/span><\/span><\/span><\/span><\/li>\n<\/ol>\n<\/blockquote>\n<p><span class=\"KB_New_Editor_Highlights\"> <\/p>\n<p><span><span><span>Si ces champs sont laiss\u00e9s \u00e0 z\u00e9ro, les valeurs calcul\u00e9es automatiquement sont utilis\u00e9es.<\/span><\/span><\/span><\/p>\n<p><\/span><\/p>\n<ul>\n<li><span><span>Dans l&rsquo;onglet <\/span><\/span><span><span><b><i>&quot;<\/i><\/b><\/span><\/span><span><span><b><i>Param\u00e8tres&quot; <\/i><\/b>&gt; onglet Fl\u00e8che<b> <\/b>&gt; permet de modifier manuellement &quot;<b>Port\u00e9e de fl\u00e8che<\/b>&quot; et &quot;<b>Limites de fl\u00e8che<\/b>&quot; <\/span><\/span><\/li>\n<\/ul>\n<blockquote class=\"zde_indent\">\n<p><img decoding=\"async\" data-zdeskdocselectedclass=\"best\" class=\"docsimage\" data-zdeskdocid=\"img_69538602390674\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-03f52ed2aeae2e08df2301a740647c2d.png\"><\/p>\n<\/blockquote>\n<ol>\n<li><span>Port\u00e9e de fl\u00e8che, <\/span><span><br \/><\/span><\/li>\n<li><span>Limite des charges d&rsquo;exploitation, Q <\/span><span><br \/><\/span><\/li>\n<li><span>Limite des charges permanentes et d&rsquo;exploitation, G+Q<\/span><\/li>\n<\/ol>\n<p><span class=\"KB_New_Editor_Highlights\"><\/p>\n<p><span>Si ces champs sont laiss\u00e9s \u00e0 z\u00e9ro, les valeurs calcul\u00e9es automatiquement sont utilis\u00e9es<\/span>.<\/p>\n<p><\/span><\/p>\n<p><span><span>Dans cette bo\u00eete de dialogue <\/span><\/span><b><i>&quot;Calcul d\u00e9taill\u00e9 de l&rsquo;\u00e9l\u00e9ment&quot;, <\/i><\/b><span><span>les boutons suivants figurent en haut du formulaire :<\/span><\/span><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-26d284f491f523536875e355e19edf0a.png\"><\/p>\n<ul>\n<li><b><span><span><span><span>V\u00e9rifier le calcul<\/span><\/span><\/span><\/span><\/b><span><span><span><span> : Permet d&rsquo;effectuer la v\u00e9rification de capacit\u00e9 de l&rsquo;\u00e9l\u00e9ment m\u00e9tallique<\/span><\/span><\/span><br \/><\/span><\/li>\n<li><b><span><span><span><span>Changer la section<\/span><\/span><\/span><\/span><\/b><span><span><span><span> : Permet de changer la section de l&rsquo;\u00e9l\u00e9ment m\u00e9tallique. Il est recommand\u00e9 de relancer l&rsquo;analyse du b\u00e2timent apr\u00e8s ce changement, car la raideur de l&rsquo;\u00e9l\u00e9ment varie et modifie les r\u00e9sultats de l&rsquo;analyse<\/span><\/span><\/span><br \/><\/span><\/li>\n<li><b><span><span><span><span>Rapport de calcul<\/span><\/span><\/span><\/span><\/b><span><span><span><span> : G\u00e9n\u00e8re le rapport de calcul de l&rsquo;\u00e9l\u00e9ment m\u00e9tallique<\/span><\/span><\/span><br \/><\/span><\/li>\n<li><b><span><span><span><span>Afficher les stations de calcul<\/span><\/span><\/span><\/span><\/b><span><span><span><span> : Affiche les efforts de calcul de l&rsquo;\u00e9l\u00e9ment pour diff\u00e9rentes combinaisons de charges, \u00e0 diff\u00e9rentes stations le long de l&rsquo;\u00e9l\u00e9ment m\u00e9tallique<\/span><\/span><\/span><br \/><\/span><\/li>\n<li><b><span><span><span><span>OK<\/span><\/span><\/span><\/span><\/b><span><span><span><span> : Valide le calcul et ferme la fen\u00eatre<\/span><\/span><\/span><br \/><\/span><\/li>\n<li><b><span><span><span><span>Annuler : <\/span><\/span><\/span><\/span><\/b><span><span><span><span>Annule les modifications et ferme la fen\u00eatre<\/span> <\/span><\/span><\/span><\/li>\n<\/ul>\n<h2 id=\"Truss_Design\" class=\"toc_anchors\"><span><span><span><span>Calcul du treillis<\/span><\/span><\/span><\/span><br \/><\/h2>\n<p><span><span><span><span>Le calcul du treillis est accessible en s\u00e9lectionnant un \u00e9l\u00e9ment de treillis dans le mod\u00e8le &gt; <\/span><b><i><span><span>Clic droit<\/span><\/span><\/i><\/b><span><span> &gt; <\/span><\/span><b><i><span><span>Calcul de l&rsquo;\u00e9l\u00e9ment m\u00e9tallique<\/span><\/span><\/i><\/b><span><span>.<\/span><\/span><\/span><\/span><\/span><span><br \/><\/span><\/p>\n<p><span><span><span><span>Une bo\u00eete de dialogue <\/span><b><i><span><span>&quot;Calcul du treillis m\u00e9tallique&quot; <\/span><\/span><\/i><\/b><span><span>s&rsquo;ouvre. Elle comporte 3 composants principaux :<\/span><\/span><\/span><\/span><\/span><span><br \/><\/span><\/p>\n<ul>\n<li>\n<p><span><span><b><span><span>Panneau sup\u00e9rieur : Boutons pour effectuer diff\u00e9rentes fonctions<\/span><\/span><\/b><\/span><br \/><\/span><\/p>\n<ul>\n<li><b><span><span>V\u00e9rifier la s\u00e9lection<\/span><\/span><\/b><span><span> : S\u00e9lectionnez un \u00e9l\u00e9ment m\u00e9tallique dans le tableau ci-dessous. Un clic sur ce bouton affiche ensuite la bo\u00eete de dialogue <b><i>&quot;Calcul d\u00e9taill\u00e9 de l&rsquo;\u00e9l\u00e9ment&quot; <\/i><\/b>pour les \u00e9l\u00e9ments s\u00e9lectionn\u00e9s<\/span><br \/><\/span><\/li>\n<li><b><span><span><span><span>Tout v\u00e9rifier<\/span><\/span><\/span><\/span><\/b><span><span><span><span> : Ce bouton v\u00e9rifie tous les \u00e9l\u00e9ments m\u00e9talliques du tableau ci-dessous.<\/span><\/span><\/span><br \/><\/span><\/li>\n<li><b><span><span><span><span>Changer la section<\/span><\/span><\/span><\/span><\/b><span><span><span><span> : Permet de changer la section de l&rsquo;\u00e9l\u00e9ment m\u00e9tallique. Il est recommand\u00e9 de relancer l&rsquo;analyse du b\u00e2timent apr\u00e8s ce changement, car la raideur de l&rsquo;\u00e9l\u00e9ment varie et modifie les r\u00e9sultats de l&rsquo;analyse<\/span><\/span><\/span><br \/><\/span><\/li>\n<li><b><span><span>Rapport<\/span><\/span><\/b><span><span> : G\u00e9n\u00e8re le rapport de calcul de l&rsquo;\u00e9l\u00e9ment m\u00e9tallique<\/span><br \/><\/span><\/li>\n<li><b><span><span>R\u00e9initialiser la vue<\/span><\/span><\/b><span><span> : R\u00e9initialise la vue 3D<\/span><br \/><\/span><\/li>\n<li><b><span><span>Afficher les \u00e9tiquettes<\/span><\/span><\/b><span><span> : Affiche les \u00e9tiquettes des \u00e9l\u00e9ments dans la vue 3D<\/span><br \/><\/span><\/li>\n<li><b><span><span>Afficher les taux d&rsquo;utilisation<\/span><\/span><\/b><span><span> : Affiche le taux d&rsquo;utilisation des \u00e9l\u00e9ments dans la vue 3D<\/span><br \/><\/span><\/li>\n<li><b><span><span><span><span>OK<\/span><\/span><\/span><\/span><\/b><span><span><span><span> : Valide le calcul et ferme la fen\u00eatre<\/span><\/span><\/span><br \/><\/span><\/li>\n<li><b><span><span>Annuler :<\/span><\/span><\/b><span><span> Annule les modifications et ferme la fen\u00eatre<\/span><\/span><\/li>\n<\/ul>\n<\/li>\n<li>\n<p><span><span><b><span><span>Panneau central : un tableau r\u00e9capitule tous les \u00e9l\u00e9ments en acier du treillis. Ce tableau classe les \u00e9l\u00e9ments du treillis selon<\/span><\/span><i><span><span> &quot;<\/span><\/span><\/i><\/b><\/span><i><span><b><span><span>membrure sup\u00e9rieure, membrure inf\u00e9rieure, diagonales <\/span><\/span><\/b><\/span><\/i><\/span><span><span><span><b><i><span>et <\/span><\/i><\/b><\/span><i><span><b><span>montants&quot; <\/span><\/b><\/span><\/i><span><b><span>\u00e9l\u00e9ments<\/span><i> <\/i><\/b><\/span><\/span><\/span><span><span><b><i><span><\/span><\/i><\/b><\/span><\/span><span><span><span><b><i> <\/i><\/b><\/span><\/span><\/span><span><i><span><b><span><\/span><\/b><\/span><\/i><\/span><b><span><span><span><i> <\/i><\/span><\/span><\/span><\/b><span><span><b><span><\/span><\/b><\/span><br \/><\/span><\/p>\n<ul>\n<li><b><span><span><span><span>\u00c9l\u00e9ments<\/span><\/span><\/span><\/span><\/b><span><span><span><span> : indique les rep\u00e8res des \u00e9l\u00e9ments du treillis<\/span><\/span><\/span><br \/><\/span><\/li>\n<li><b><span><span><span><span>Section<\/span><\/span><\/span><\/span><\/b><span><span><span><span> : indique la section des \u00e9l\u00e9ments du treillis<\/span><\/span><\/span><br \/><\/span><\/li>\n<li><b><span><span><span><span>Mat\u00e9riaux<\/span><\/span><\/span><\/span><\/b><span><span><span><span> : indique le mat\u00e9riau des \u00e9l\u00e9ments du treillis<\/span><\/span><\/span><br \/><\/span><\/li>\n<li><b><span><span><span><span>\u00c9lancement (kL\/r)<\/span><\/span><\/span><\/span><\/b><span><span><span><span> : indique l&rsquo;\u00e9lancement des \u00e9l\u00e9ments en acier. S&rsquo;il est inf\u00e9rieur \u00e0 la valeur admissible, il s&rsquo;affiche en<\/span><\/span><\/span><b><i><span><span><span> &quot;<\/span><span>VERT<\/span><span>&quot;<\/span><\/span><\/span><\/i><\/b><span><span><span>, soit conforme. S&rsquo;il d\u00e9passe l&rsquo;\u00e9lancement admissible, il est marqu\u00e9 en <\/span><\/span><\/span><b><i><span><span><span>&quot;<\/span><span>ROUGE<\/span><span>&quot;<\/span><\/span><\/span><\/i><\/b><span><span><span>, soit un avertissement.<\/span><\/span><\/span><br \/><\/span><\/li>\n<li><b><span><span><span><span>Taux d&rsquo;utilisation<\/span><\/span><\/span><\/span><\/b><span><span><span><span> : indique le taux d&rsquo;utilisation de calcul de l&rsquo;\u00e9l\u00e9ment selon la condition et la combinaison de charges les plus critiques. S&rsquo;il est inf\u00e9rieur \u00e0 1,0, le texte est marqu\u00e9 en <\/span><\/span><\/span><b><i><span><span><span>&quot;<\/span><span>VERT<\/span><span>&quot;<\/span><\/span><\/span><\/i><\/b><span><span><span> , soit <\/span><\/span><b><i><span><span>conforme<\/span><\/span><\/i><\/b><span><span>. Sinon, le texte est marqu\u00e9 en <\/span><\/span><\/span><b><i><span><span><span>&quot;<\/span><span>ROUGE<\/span><span>&quot;<\/span><\/span><\/span><\/i><\/b><span><span><span>, soit <\/span><\/span><b><i><span><span>non conforme<\/span><\/span><\/i><\/b><span><span>.<\/span><\/span><\/span><br \/><\/span><\/li>\n<li><b><span><span><span><span>\u00c9tat<\/span><\/span><\/span><\/span><\/b><span><span><span><span> : indique si le calcul de l&rsquo;\u00e9l\u00e9ment en acier est conforme ou non conforme.<\/span><\/span><\/span><br \/><\/span><\/li>\n<li><b><span><span><span><span>V\u00e9rification d\u00e9terminante<\/span><\/span><\/span><\/span><\/b><span><span><span><span> : indique la v\u00e9rification critique ou d\u00e9terminante du calcul de l&rsquo;\u00e9l\u00e9ment en acier. Il peut s&rsquo;agir d&rsquo;un effort combin\u00e9, d&rsquo;une torsion, d&rsquo;une traction axiale ou d&rsquo;une compression axiale.<\/span><\/span><\/span><br \/><\/span><\/li>\n<\/ul>\n<\/li>\n<li>\n<p><span><span><b><span><span>Panneau inf\u00e9rieur : visionneuse 3D du calcul du treillis.<\/span><\/span><\/b><\/span><br \/><\/span><\/p>\n<ul>\n<li><span><span><span><span>Utilisez le clic droit de la souris (maintenu) et d\u00e9placez-vous dans la visionneuse pour faire pivoter la vue 3D du treillis<\/span><\/span><\/span><br \/><\/span><\/li>\n<li><span><span><span><span>L&rsquo;\u00e9l\u00e9ment du treillis s\u00e9lectionn\u00e9 dans le panneau central est mis en surbrillance<\/span><\/span><\/span><br \/><\/span><\/li>\n<li><span><span><span><span><span><span><span><span>Si les \u00e9l\u00e9ments du treillis sont v\u00e9rifi\u00e9s, ils sont color\u00e9s selon l&rsquo;\u00e9chelle du taux d&rsquo;utilisation<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><img decoding=\"async\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-7dd78d3f1b53e96378a0f75665d0f9fc.png\" data-zdeskdocid=\"img_05819985725686927\" class=\"docsimage\" data-zdeskdocselectedclass=\"best\"><\/p>\n<h2 class=\"toc_anchors\" id=\"Specific_Steel_Design_Parameters_in_Batch\"><span>Param\u00e8tres de calcul acier sp\u00e9cifiques par lot<\/span><\/h2>\n<p><span>Lors du calcul acier, il peut \u00eatre n\u00e9cessaire de modifier manuellement les param\u00e8tres de calcul, tels que les longueurs de flambement, la longueur de d\u00e9versement, etc. Cette op\u00e9ration peut se faire pour un \u00e9l\u00e9ment individuel via l&rsquo;onglet &quot;<\/span><b><i><span>Param\u00e8tres<\/span><\/i><\/b><span>&quot; de la bo\u00eete de dialogue <\/span><b><i><span>Calcul d\u00e9taill\u00e9 de l&rsquo;\u00e9l\u00e9ment<\/span><\/i><\/b><span>, ou pour plusieurs \u00e9l\u00e9ments en mode par lot. <\/span><\/p>\n<h3 class=\"toc_anchors\" id=\"Specify_Design_Parameter_in_Batch_for_Steel_Column_Steel_Beam_or_Frame\"><span>D\u00e9finir les param\u00e8tres de calcul par lot pour poteau acier, poutre acier ou portique<\/span><\/h3>\n<ol>\n<li><span>S\u00e9lectionnez plusieurs poteaux acier, poutres acier, portiques ou une combinaison de ces \u00e9l\u00e9ments. <\/span><\/li>\n<li><span>Cliquez avec le bouton droit et s\u00e9lectionnez &quot;<\/span><b><i><span>Modifier les param\u00e8tres de calcul acier<\/span><\/i><\/b><span>&quot;. <\/span><\/li>\n<li><span>Pour modifier manuellement une valeur pour un seul \u00e9l\u00e9ment, cliquez dans la cellule et saisissez directement la valeur. <\/span><\/li>\n<li><span>Pour modifier manuellement une valeur pour plusieurs \u00e9l\u00e9ments, cliquez sur une cellule d&rsquo;en-t\u00eate pour s\u00e9lectionner toute la colonne &gt; cliquez sur le bouton &quot;<\/span><b><i><span>Modifier les param\u00e8tres de calcul s\u00e9lectionn\u00e9s<\/span><\/i><\/b><span>&quot;.<\/span><\/li>\n<li><span>Vous pouvez aussi s\u00e9lectionner plusieurs cellules en faisant glisser la souris sur la grille, ou en appuyant sur la touche CTRL ou SHIFT du clavier. <\/span><\/li>\n<p><span><\/span><span class=\"KB_New_Editor_Highlights\"><span>S\u00e9lectionnez uniquement les cellules appartenant \u00e0 la <b><span>m\u00eame colonne<\/span><\/b><span> pour modifier les param\u00e8tres de calcul s\u00e9lectionn\u00e9s<\/span><\/span><\/span><\/p>\n<li><span>Une fois les param\u00e8tres modifi\u00e9s, cliquez sur OK. Le calcul des \u00e9l\u00e9ments s\u00e9lectionn\u00e9s est automatiquement mis \u00e0 jour avec les nouveaux param\u00e8tres. <\/span><\/li>\n<\/ol>\n<p><img decoding=\"async\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-1594819d434f2e46ef5ae990bcced94c.png\"><\/p>\n<h3 class=\"toc_anchors\" id=\"Specify_Design_Parameter_in_Batch_for_Truss_Brace_Purlin_Girt_or_Domes\"><span>D\u00e9finir les param\u00e8tres de calcul par lot pour treillis, contreventement, panne, lisse ou d\u00f4mes<\/span><\/h3>\n<ol>\n<li><span>S\u00e9lectionnez un treillis, un contreventement, une panne, une lisse ou un d\u00f4me. <\/span><\/li>\n<li><span>Cliquez avec le bouton droit et s\u00e9lectionnez &quot;<\/span><b><i><span>Modifier les param\u00e8tres de calcul acier<\/span><\/i><\/b><span>&quot;.<\/span><\/li>\n<li><span>Les \u00e9l\u00e9ments du portique contenus dans l&rsquo;\u00e9l\u00e9ment parent s&rsquo;affichent dans la fen\u00eatre &quot;<\/span><b><i><span>Modifier les param\u00e8tres de calcul acier<\/span><\/i><\/b><span>&quot;. <\/span><\/li>\n<li><span>Pour modifier manuellement une valeur pour un seul \u00e9l\u00e9ment, cliquez dans la cellule et saisissez directement la valeur.<\/span><\/li>\n<li><span>Pour modifier manuellement une valeur pour plusieurs \u00e9l\u00e9ments, cliquez sur une cellule d&rsquo;en-t\u00eate pour s\u00e9lectionner toute la colonne &gt; cliquez sur le bouton &quot;Modifier les param\u00e8tres de calcul s\u00e9lectionn\u00e9s&quot;.<\/span><span><br \/><\/span><\/li>\n<li><span>Vous pouvez aussi s\u00e9lectionner plusieurs cellules en faisant glisser la souris sur la grille, ou en appuyant sur la touche CTRL ou SHIFT du clavier.<\/span><\/li>\n<p><span><\/span><span class=\"KB_New_Editor_Highlights\"><span>S\u00e9lectionnez uniquement les cellules appartenant \u00e0 la m\u00eame colonne pour modifier les param\u00e8tres de calcul s\u00e9lectionn\u00e9s<\/span><\/span><\/p>\n<li><span>Une fois les param\u00e8tres modifi\u00e9s, cliquez sur OK. Le calcul des \u00e9l\u00e9ments s\u00e9lectionn\u00e9s est automatiquement mis \u00e0 jour avec les nouveaux param\u00e8tres. <\/span><\/li>\n<\/ol>\n<p><span class=\"KB_New_Editor_Highlights\"> <\/p>\n<p><span>Les valeurs &quot;Z\u00e9ro&quot; des param\u00e8tres indiquent que ProtaStructure calcule automatiquement ces param\u00e8tres pendant le calcul. Si une valeur non nulle est saisie, c&rsquo;est cette valeur qui est utilis\u00e9e pour le calcul. <\/span><\/p>\n<p><\/span><\/p>\n<h3 class=\"toc_anchors\" id=\"Load_the_Batch_Edit_Dialog_from_Design_Window\"><span>Ouvrir la bo\u00eete de dialogue de modification par lot depuis la fen\u00eatre de calcul<\/span><\/h3>\n<p><span>La fen\u00eatre &quot;<\/span><b><i><span>Modifier les param\u00e8tres de calcul acier<\/span><\/i><\/b><span>&quot; peut aussi s&rsquo;ouvrir depuis le menu principal de calcul des \u00e9l\u00e9ments en acier. <\/span><\/p>\n<ol>\n<li><span>Acc\u00e9dez \u00e0 <\/span><i><b><span>l&rsquo;onglet Calcul &gt; Calcul des poteaux acier<\/span><\/b><\/i><span>, menu du ruban. <\/span><\/li>\n<ol>\n<li><span>Ce menu permet aussi d&rsquo;ouvrir les fen\u00eatres de calcul pour les portiques ou les poutres. <\/span><\/li>\n<\/ol>\n<li><span>S\u00e9lectionnez une ou plusieurs lignes dans la fen\u00eatre en appuyant sur la touche <\/span><b><span>CTRL<\/span><\/b><span> ou <\/span><b><span>SHIFT <\/span><\/b><span>du clavier. <\/span><\/li>\n<li><span>Cliquez sur le bouton &quot;Modifier les lignes s\u00e9lectionn\u00e9es&quot; pour ouvrir la fen\u00eatre &quot;<\/span><i><b><span>Modifier les param\u00e8tres de calcul acier<\/span><\/b><\/i><span>&quot;. <\/span><\/li>\n<\/ol>\n<p><img decoding=\"async\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-9ac953538d619a0f6a09204c9997cadf.png\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Avant de calculer les \u00e9l\u00e9ments en acier, il faut mod\u00e9liser ces \u00e9l\u00e9ments et effectuer l&rsquo;analyse du b\u00e2timent. Actuellement, ProtaStructure permet de mod\u00e9liser et de calculer&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":[],"whitepaper_topic":[],"whitepaper_product":[],"whitepaper_type":[],"class_list":["post-2339","wiki","type-wiki","status-publish","hentry"],"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>Calcul des \u00e9l\u00e9ments en acier<\/title>\n<meta name=\"description\" content=\"D\u00e9couvrez la m\u00e9thode de calcul des \u00e9l\u00e9ments en acier : v\u00e9rifications de r\u00e9sistance, de stabilit\u00e9 et de flambement selon les normes en vigueur.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, 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