{"id":2259,"date":"2026-04-27T12:41:58","date_gmt":"2026-04-27T12:41:58","guid":{"rendered":"https:\/\/protasoftware.com\/fr\/wiki\/parametres-de-calcul-de-l-acier-ps-2022\/"},"modified":"2026-04-27T12:41:58","modified_gmt":"2026-04-27T12:41:58","slug":"parametres-de-calcul-de-l-acier-ps-2022","status":"publish","type":"wiki","link":"https:\/\/protasoftware.com\/fr\/support\/manuels-techniques\/parametres-de-calcul-de-l-acier-ps-2022\/","title":{"rendered":"Param\u00e8tres de calcul de l&rsquo;acier PS 2022"},"content":{"rendered":"<div><span class=\"colour sty__yepaq3__cls\"><span style=\"line-height: normal\" class=\"size sty__10603m__cls sty__hxfvpu__cls\"><span style=\"font-size: 16px;line-height: normal\" class=\"size\">Le param\u00e9trage du calcul acier et des \u00e9l\u00e9ments mixtes doit \u00eatre d\u00e9fini avant tout calcul d&rsquo;\u00e9l\u00e9ments acier ou mixtes. Ce pr\u00e9r\u00e9glage des param\u00e8tres fait gagner un temps important par rapport \u00e0 un r\u00e9glage effectu\u00e9 apr\u00e8s coup. Il garantit un calcul correct des \u00e9l\u00e9ments acier et mixtes selon les crit\u00e8res du projet.<\/span><\/span><\/span><\/div>\n<div><span class=\"colour sty__wltjx1__cls\"><span style=\"line-height: normal\" class=\"size sty__n1360q__cls sty__wqu4rd__cls\"><span style=\"font-size: 16px;line-height: normal\" class=\"size\"><br \/><\/span><\/span><\/span><\/div>\n<div><span class=\"colour sty__0b4s2y__cls\"><span style=\"line-height: normal\" class=\"size sty__moc36u__cls sty__jir143__cls\"><span style=\"font-size: 16px;line-height: normal\" class=\"size\">Pour acc\u00e9der aux param\u00e8tres de calcul acier, l&rsquo;utilisateur peut :<\/span><\/span><\/span><\/div>\n<ol style=\"font-size: 16px;letter-spacing: 0.1px\">\n<li style=\"list-style-type: square\" class=\"sty__t1crvo__cls\"><span class=\"colour sty__22uoo6__cls\"><span style=\"line-height: normal\" class=\"size sty__q4qdsg__cls\">Aller dans l&rsquo;onglet&nbsp;<\/span><\/span><b><span class=\"colour sty__rigwhl__cls\"><span style=\"line-height: normal\" class=\"size sty__afvoo7__cls\">&quot;Implantation du b\u00e2timent&quot;<\/span><\/span><\/b><span class=\"colour sty__sexr3y__cls\"><span style=\"line-height: normal\" class=\"size sty__gly310__cls\">&nbsp;&gt;&nbsp;<\/span><\/span><b><span class=\"colour sty__jqmpzj__cls\"><span style=\"line-height: normal\" class=\"size sty__ea13wc__cls\">&quot;Centre de param\u00e8tres&quot;&nbsp;<\/span><\/span><\/b><span class=\"colour sty__kukv8p__cls\"><span style=\"line-height: normal\" class=\"size sty__cjqgn9__cls\">&gt;&nbsp;<\/span><\/span><b><span class=\"colour sty__eorln4__cls\"><span style=\"line-height: normal\" class=\"size sty__81eoub__cls\">&quot;Param\u00e8tres acier&quot;<\/span><\/span><\/b><\/li>\n<\/ol>\n<div>\n<div><span class=\"colour sty__0b4s2y__cls\"><span style=\"line-height: normal\" class=\"size sty__moc36u__cls sty__jir143__cls\"><span style=\"font-size: 16px;line-height: normal\" class=\"size\">Pour acc\u00e9der aux param\u00e8tres des \u00e9l\u00e9ments mixtes, l&rsquo;utilisateur peut :<\/span><\/span><\/span><\/div>\n<ol style=\"font-size: 16px;letter-spacing: 0.1px\">\n<li style=\"list-style-type: square;text-align: left\" class=\"sty__t1crvo__cls align-left\"><span class=\"colour sty__22uoo6__cls\"><span style=\"line-height: normal\" class=\"size sty__q4qdsg__cls\">Aller dans l&rsquo;onglet&nbsp;<\/span><\/span><b><span class=\"colour sty__rigwhl__cls\"><span style=\"line-height: normal\" class=\"size sty__afvoo7__cls\">&quot;Implantation du b\u00e2timent&quot;<\/span><\/span><\/b><span class=\"colour sty__sexr3y__cls\"><span style=\"line-height: normal\" class=\"size sty__gly310__cls\">&nbsp;&gt;&nbsp;<\/span><\/span><b><span class=\"colour sty__jqmpzj__cls\"><span style=\"line-height: normal\" class=\"size sty__ea13wc__cls\">&quot;Centre de param\u00e8tres&quot;&nbsp;<\/span><\/span><\/b><span class=\"colour sty__kukv8p__cls\"><span style=\"line-height: normal\" class=\"size sty__cjqgn9__cls\">&gt;&nbsp;<\/span><\/span><b><span class=\"colour sty__eorln4__cls\"><span style=\"line-height: normal\" class=\"size sty__81eoub__cls\">&quot;\u00c9l\u00e9ment mixte&quot;<\/span><\/span><\/b><\/li>\n<\/ol>\n<\/div>\n<h1 class=\"toc_anchors\" id=\"Steel\"><span class=\"colour sty__eorln4__cls\"><span style=\"line-height: normal\" class=\"size sty__81eoub__cls\">Acier<\/span><\/span><br \/><\/h1>\n<h2 class=\"toc_anchors\" id=\"Member_Settings_-_Deflection_Check\"><span class=\"colour sty__eorln4__cls\"><span style=\"line-height: normal\" class=\"size sty__81eoub__cls\"><span class=\"colour\">Param\u00e8tres des \u00e9l\u00e9ments &#8211; V\u00e9rification de la fl\u00e8che<\/span><\/span><\/span><\/h2>\n<div><span class=\"colour sty__eorln4__cls\"><span style=\"line-height: normal\" class=\"size sty__81eoub__cls\"><span style=\"font-size: 16px;line-height: normal\" class=\"size\"><span class=\"colour\">Les param\u00e8tres de cette sous-page d\u00e9finissent la limite de fl\u00e8che pour les poutres et les pannes\/lisses. Une valeur 0 masque la v\u00e9rification.&nbsp;<br \/><\/span><\/span><\/span><\/span><\/div>\n<div><img decoding=\"async\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-eb8a045ff5c3af035c622fe866140e00.png\" style=\"max-width: 100%;height: auto;padding: 0\"><\/div>\n<div><\/div>\n<div>\n<h2 class=\"toc_anchors\" id=\"Member_Settings_-_Member_Design\"><span class=\"colour sty__eorln4__cls\"><span class=\"colour\">Param\u00e8tres des \u00e9l\u00e9ments &#8211; Calcul des \u00e9l\u00e9ments<\/span><\/span><span class=\"colour\"><br \/><\/span><\/h2>\n<div><span class=\"colour sty__eorln4__cls\"><span style=\"line-height: normal\" class=\"size sty__81eoub__cls\"><span style=\"font-size: 16px;line-height: normal\" class=\"size\"><span class=\"colour\">Les param\u00e8tres de cette sous-page proposent des options pour le calcul des \u00e9l\u00e9ments.&nbsp;<\/span><\/span><\/span><\/span><\/div>\n<div><img decoding=\"async\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-6d08c3473cb39079e2d01498369a0a39.png\" style=\"max-width: 100%;height: auto;padding: 0\"><\/div>\n<ol>\n<li style=\"list-style-type: square\"><b><span class=\"colour\">Autoriser les pannes \u00e0 r\u00e9duire la longueur de d\u00e9versement de la poutre<\/span><\/b><span class=\"colour\"> : Cette option d\u00e9tecte automatiquement l&rsquo;espacement des pannes. Cela r\u00e9duit la longueur de d\u00e9versement, Ly et Ltb, pour le calcul de l&rsquo;\u00e9l\u00e9ment porteur, par exemple une poutre ou un treillis acier.&nbsp;<\/span><\/li>\n<li style=\"list-style-type: square\"><b><span class=\"colour\">Calculer les pannes et lisses uniquement pour les combinaisons non sismiques<\/span><\/b><span class=\"colour\"> :&nbsp; Cette option exclut les combinaisons de charges sismiques du calcul des pannes et lisses.&nbsp;<\/span><span class=\"colour\"><br \/><\/span><\/li>\n<li style=\"list-style-type: square\"><b><span class=\"colour\">Longueur maximale de l&rsquo;\u00e9l\u00e9ment<\/span><\/b><span class=\"colour\"> : Longueur maximale d&rsquo;un \u00e9l\u00e9ment acier.&nbsp;<\/span><\/li>\n<\/ol>\n<\/div>\n<h1 class=\"toc_anchors\" id=\"Composite_Member\"><span class=\"colour\">\u00c9l\u00e9ment mixte<\/span><span class=\"colour\"><br \/><\/span><\/h1>\n<div><span class=\"colour\">L&rsquo;onglet G\u00e9n\u00e9ral regroupe tous les param\u00e8tres des \u00e9l\u00e9ments mixtes : goujon par d\u00e9faut, bac acier par d\u00e9faut, disposition des goujons, etc.&nbsp; V\u00e9rifiez et d\u00e9finissez ces param\u00e8tres avant de mod\u00e9liser les poutres et dalles mixtes.&nbsp;<\/span><\/div>\n<div><img decoding=\"async\" style=\"max-width: 100%;height: auto;padding: 0\" src=\"https:\/\/protasoftware.com\/wp-content\/uploads\/2026\/04\/prota-doc-bc25f248dbed7f8059a1feccfe2d2f04.png\"><\/div>\n<ol>\n<li style=\"list-style-type: square\"><b><span class=\"colour\">Degr\u00e9 de mixit\u00e9 d&rsquo;analyse <\/span><\/b><span class=\"colour\">: \u00e9galement appel\u00e9 &quot;Taux de connexion mixte&quot;, sa valeur par d\u00e9faut est 50 %. <\/span><span class=\"colour\"><br \/><\/span><\/li>\n<ol>\n<li style=\"list-style-type: disc\"><span class=\"colour\">Si aucun degr\u00e9 de mixit\u00e9 cible n&rsquo;est assign\u00e9 \u00e0 un \u00e9l\u00e9ment dans sa fen\u00eatre de calcul, la valeur par d\u00e9faut sert au calcul de la section et au dimensionnement des goujons. <\/span><span class=\"colour\"><br \/><\/span><\/li>\n<li style=\"list-style-type: disc\"><span class=\"colour\">Vous pouvez modifier la valeur par d\u00e9faut, mais l&rsquo;analyse et le calcul&nbsp;<\/span><span><span class=\"colour\">doivent \u00eatre actualis\u00e9s pour refl\u00e9ter la modification.<\/span><\/span><span class=\"colour\"><br \/><\/span><\/li>\n<\/ol>\n<li class=\" align-left\" style=\"text-align: left;list-style-type: square\"><b><span class=\"colour\">Tol\u00e9rance du degr\u00e9 de mixit\u00e9 entre l&rsquo;analyse et le calcul<\/span><\/b><span class=\"colour\"> :&nbsp;&nbsp;Le degr\u00e9 de mixit\u00e9 utilis\u00e9 dans l&rsquo;analyse (Degr\u00e9 de mixit\u00e9 d&rsquo;analyse) diff\u00e8re de celui utilis\u00e9 dans le<br \/>\ncalcul (Degr\u00e9 de mixit\u00e9 cible). <\/span><span class=\"colour\"><br \/><\/span><\/li>\n<ol>\n<li class=\" align-left\" style=\"text-align: left;list-style-type: disc\"><span class=\"colour\">Le degr\u00e9 de mixit\u00e9 joue un r\u00f4le important dans<br \/>\nle calcul des propri\u00e9t\u00e9s de la section mixte et du nombre de goujons<\/span><span class=\"colour\"><br \/><\/span><\/li>\n<\/ol>\n<li class=\" align-left\" style=\"text-align: left;list-style-type: square\"><b><span class=\"colour\">Bac acier par d\u00e9faut<\/span><\/b><span class=\"colour\"> : D\u00e9finit le bac acier par d\u00e9faut. Un nouveau bac acier peut \u00eatre ajout\u00e9 manuellement.&nbsp;<br \/><\/span><\/li>\n<li class=\" align-left\" style=\"text-align: left;list-style-type: square\"><b><span class=\"colour\">Goujon par d\u00e9faut<\/span><\/b><span class=\"colour\">&nbsp;: D\u00e9finit le goujon par d\u00e9faut.&nbsp; Un nouveau goujon peut \u00eatre ajout\u00e9 manuellement.&nbsp;<br \/><\/span><\/li>\n<li class=\" align-left\" style=\"text-align: left;list-style-type: square\"><span class=\"colour\"><b>G\u00e9n\u00e9ration des goujons<\/b> :&nbsp;D\u00e9finit la m\u00e9thode utilis\u00e9e pour placer les goujons&nbsp;<br \/><\/span><\/li>\n<ol>\n<li class=\" align-left\" style=\"text-align: left;list-style-type: disc\"><span class=\"colour\"><b>Degr\u00e9 de mixit\u00e9<\/b> : le logiciel optimise le nombre et la disposition des goujons pour atteindre le degr\u00e9 de mixit\u00e9 souhait\u00e9 entre la poutre acier et la dalle b\u00e9ton.<\/span><\/li>\n<li class=\" align-left\" style=\"text-align: left;list-style-type: disc\"><span class=\"colour\"><b>Espacement des goujons<\/b> : l&rsquo;espacement des goujons est g\u00e9n\u00e9r\u00e9 diff\u00e9remment selon que la poutre s\u00e9lectionn\u00e9e est primaire ou secondaire.&nbsp;&nbsp;<br \/><\/span><\/li>\n<\/ol>\n<li class=\" align-left\" style=\"text-align: left;list-style-type: square\"><span class=\"colour\"><b>Disposition des goujons<\/b> : s\u00e9lectionnez &quot;<b>Uniforme<\/b>&quot; ou &quot;<b>Segment\u00e9e<\/b>&quot;&nbsp;<\/span><span class=\"colour\"><br \/><\/span><\/li>\n<ol>\n<li class=\" align-left\" style=\"text-align: left;list-style-type: disc\"><b><span class=\"colour\">Segment\u00e9e<\/span><\/b><span class=\"colour\"> : ProtaStructure d\u00e9tecte diff\u00e9rents segments sur la poutre, \u00e0 un point d&rsquo;inflexion ou de<br \/>\ncharge ponctuelle. Cette variation du diagramme des moments appara\u00eet surtout sur les poutres mixtes primaires.<br \/>\nCes poutres sont souvent reli\u00e9es aux poteaux par des assemblages rigides et portent d&rsquo;autres poutres mixtes secondaires.<br \/>\nLe nombre total de goujons est r\u00e9parti entre le point d&rsquo;inflexion et le moment maximal. Un espacement nominal des goujons est utilis\u00e9 dans les zones de moment n\u00e9gatif.<\/span><span class=\"colour\"><br \/><\/span><\/li>\n<li class=\" align-left\" style=\"text-align: left;list-style-type: disc\"><b><span class=\"colour\">Uniforme<\/span><\/b><span class=\"colour\"> :&nbsp;&nbsp;Si vous ne voulez pas utiliser une disposition segment\u00e9e, vous pouvez passer \u00e0 une \u00ab Disposition uniforme des goujons \u00bb. Dans ce cas,<br \/>\nles goujons sont r\u00e9partis uniform\u00e9ment sur la poutre, selon l&rsquo;espacement minimal calcul\u00e9.<\/span>\n<\/li>\n<\/ol>\n<li style=\"list-style-type: square\"><span class=\"colour\"><b>Goujons par rang\u00e9e<\/b> : S\u00e9lectionnez <\/span><b><span class=\"colour\">Simple <\/span><\/b><span class=\"colour\">ou<\/span><b><span class=\"colour\"> Double<\/span><\/b><\/li>\n<li style=\"list-style-type: square;text-align: left\" class=\" align-left\"><span class=\"font\"><span class=\"size\" style=\"font-size: 16px;line-height: normal\"><span class=\"colour\"><span class=\"highlight\"><b>D\u00e9gagement de placement des goujons aux extr\u00e9mit\u00e9s du portique (C)<\/b><\/span><\/span><\/span><\/span><span class=\"highlight\"><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px;line-height: normal\"><span class=\"font\"> :&nbsp;<\/span><\/span><\/span><\/span><span class=\"font\"><span style=\"font-size: 16px;line-height: normal\" class=\"size\"><span class=\"colour\"><span class=\"highlight\"> D\u00e9gagement axial du dernier goujon par rapport au poteau, selon le sch\u00e9ma&nbsp;<\/span><\/span><\/span><\/span><\/li>\n<li style=\"list-style-type: square;text-align: left\" class=\" align-left\"><span class=\"highlight\"><span class=\"colour\"><span class=\"font\"><span class=\"size\" style=\"font-size: 16px;line-height: normal\"><b>Pourcentage de fl\u00e8che pour la contre-fl\u00e8che<\/b> :&nbsp; <\/span><span style=\"font-size: 16px;line-height: normal\" class=\"size\">Permet de v\u00e9rifier si une contre-fl\u00e8che est n\u00e9cessaire au-del\u00e0 de la limite en pourcentage.&nbsp;<\/span><\/span><\/span><\/span><\/li>\n<li style=\"list-style-type: square;text-align: left\" class=\" align-left\"><span class=\"highlight\"><span class=\"colour\"><span class=\"size\" style=\"font-size: 16px;line-height: normal\"><span class=\"font\"><b>Prendre en compte la v\u00e9rification des vibrations lors du calcul<\/b> : Cochez pour toujours inclure la v\u00e9rification des vibrations.&nbsp;<\/span><\/span><\/span><\/span><\/li>\n<\/ol>\n<div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Le param\u00e9trage du calcul acier et des \u00e9l\u00e9ments mixtes doit \u00eatre d\u00e9fini avant tout calcul d&rsquo;\u00e9l\u00e9ments acier ou mixtes. Ce pr\u00e9r\u00e9glage des param\u00e8tres fait gagner&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"template":"","meta":{"_whitepaper_youtube_videos":"","_whitepaper_youtube_url":"","_whitepaper_youtube_thumbnail":"","footnotes":""},"categories":[47],"whitepaper_topic":[],"whitepaper_product":[],"whitepaper_type":[],"class_list":["post-2259","wiki","type-wiki","status-publish","hentry","category-settings-and-parameters"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.9 (Yoast SEO v27.9) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Param\u00e8tres de calcul de l&#039;acier PS 2022<\/title>\n<meta name=\"description\" content=\"Param\u00e8tres de calcul de l&#039;acier dans ProtaStructure 2022 : d\u00e9finissez les crit\u00e8res, les coefficients et les options de v\u00e9rification des \u00e9l\u00e9ments en acier.\" \/>\n<meta name=\"robots\" content=\"index, follow, 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