{"id":196,"date":"2019-09-30T09:00:00","date_gmt":"2019-09-30T07:00:00","guid":{"rendered":"https:\/\/blogs.autodesk.com\/villagebim\/2019\/09\/comprendre-autodesk-robot-structural-analysis-pression-de-vent-suivant-l-eurocode-1.html"},"modified":"2021-02-04T20:12:39","modified_gmt":"2021-02-04T18:12:39","slug":"comprendre-autodesk-robot-structural-analysis-pression-de-vent-suivant-l-eurocode-1","status":"publish","type":"post","link":"https:\/\/blogs.autodesk.com\/villagebim\/2019\/09\/comprendre-autodesk-robot-structural-analysis-pression-de-vent-suivant-l-eurocode-1.html","title":{"rendered":"[Comprendre] Autodesk Robot Structural Analysis \u2013 Pression de vent suivant l\u2019Eurocode 1"},"content":{"rendered":"<p><a href=\"https:\/\/villagebim.typepad.com\/.a\/6a015391e15a28970b0240a4c9d6b3200b-pi\"><img loading=\"lazy\" decoding=\"async\" alt=\"clip_image002\" border=\"0\" height=\"175\" src=\"https:\/\/villagebim.typepad.com\/.a\/6a015391e15a28970b0240a4c9d6b8200b-pi\" style=\"background-image: none;margin-left: auto;margin-right: auto\" title=\"clip_image002\" width=\"454\" \/><\/a><\/p>\n<p style=\"text-align: justify\"><strong><u>1- Objet :<\/u><\/strong><u> <\/u><\/p>\n<p style=\"text-align: justify\">&#160;&#160;&#160;&#160;Le but de cet article est de montrer aux utilisateurs du logiciel Autodesk Robot Structural Analysis le calcul de la pression du vent suivant le r\u00e8glement Eurocode 1 au travers d\u2019un exemple.<\/p>\n<p style=\"text-align: justify\"><strong><u>2- Pr\u00e9sentation de l\u2019exemple :<\/u><\/strong><u> <\/u><\/p>\n<p style=\"text-align: justify\">&#160;&#160;&#160;&#160;Il existe dans le logiciel Autodesk Robot Structural Analysis la possibilit\u00e9 de calculer la neige et le vent suivant l\u2019Eurocode 1 Annexe Nationale Fran\u00e7aise (NF EN 1991-3\/4 NA : 2007\/2008).<\/p>\n<p style=\"text-align: justify\">Voici les donn\u00e9es de l\u2019exemple : il s\u2019agit d\u2019une toiture une pente ( \u03b1 = 5\u00b0) de 8,00 de port\u00e9e et de 15 m de long pan.<\/p>\n<p style=\"text-align: justify\"><a href=\"https:\/\/villagebim.typepad.com\/.a\/6a015391e15a28970b0240a4c9d6be200b-pi\"><img loading=\"lazy\" decoding=\"async\" alt=\"clip_image003\" border=\"0\" height=\"468\" src=\"https:\/\/villagebim.typepad.com\/.a\/6a015391e15a28970b0240a4a5394f200d-pi\" style=\"background-image: none;margin-left: auto;margin-right: auto\" title=\"clip_image003\" width=\"454\" \/><\/a><\/p>\n<p style=\"text-align: justify\">&#160;&#160;&#160;&#160;Le b\u00e2timent se situe dans le Lot et Garonne (47) \u00e0 une altitude de 300 m sur un terrain plat (cat\u00e9gorie II : Rase campagne)<\/p>\n<p style=\"text-align: justify\">Soit pour le vent : r\u00e9gion 1 et pour la neige : A2<\/p>\n<p style=\"text-align: justify\"><strong><u>3- Calcul du vent :<\/u><\/strong><u> <\/u><a name=\"_Toc246157417\"><\/a><u>D\u00e9termination de la pression du vent en vitesse de pointe :<\/u><u><\/u><\/p>\n<ul>\n<li>Pression de vent r\u00e8glementaire \u00e8 v<sub>b,0<\/sub> = 22 m\/s Voir En 1991-1-4 AN clause 4.2 (1)P Note 2,<\/li>\n<li>Coefficient de direction \u00e8 C<sub>dir<\/sub>= 0,85 (r\u00e9gion Lot et Garonne),<\/li>\n<li>Coefficient de saison \u00e8 C<sub>season<\/sub>= 1 (Periode de construction non enti\u00e8rement incluse entre avril \u00e0 septembre),<\/li>\n<li>Cat\u00e9gorie de terrain II : z<sub>min<\/sub>= 2,0 m et z<sub>o<\/sub> = 0,05 m<\/li>\n<\/ul>\n<p style=\"text-align: justify\">Pression du vent en vitesse moyenne :<\/p>\n<p><a href=\"https:\/\/villagebim.typepad.com\/.a\/6a015391e15a28970b0240a47bfc12200c-pi\"><img loading=\"lazy\" decoding=\"async\" alt=\"clip_image004\" border=\"0\" height=\"74\" src=\"https:\/\/villagebim.typepad.com\/.a\/6a015391e15a28970b0240a4c9d6c8200b-pi\" style=\"background-image: none;margin-left: auto;margin-right: auto\" title=\"clip_image004\" width=\"354\" \/><\/a><\/p>\n<ul>\n<li><strong>V<sub>m<\/sub><\/strong> : Vistesse moy\u00e8nne = c<sub>r<\/sub>(z)c<sub>o<\/sub>(z)V<sub>b<\/sub> Voir En 1991-1-4 4.3.1<\/li>\n<\/ul>\n<p style=\"text-align: justify\">&#160; &#160; &#160; &#160; &#160;o c<sub>r<\/sub>(z) : Coefficient de rugosit\u00e9 = <a href=\"https:\/\/villagebim.typepad.com\/.a\/6a015391e15a28970b0240a47bfc17200c-pi\"><img loading=\"lazy\" decoding=\"async\" alt=\"clip_image005\" border=\"0\" height=\"70\" src=\"https:\/\/villagebim.typepad.com\/.a\/6a015391e15a28970b0240a4c9d6ce200b-pi\" style=\"margin: 0px;background-image: none\" title=\"clip_image005\" width=\"125\" \/><\/a> Voir En 1991-1-4 4.3.2<\/p>\n<p style=\"text-align: justify\">&#160; &#160; &#160; &#160; &#160; &#160; &#8211; Hauteur b\u00e2timent z&gt;z<sub>0<\/sub> : z= 4,70 m<\/p>\n<p style=\"text-align: justify\">&#160; &#160; &#160; &#160; &#160; &#160; &#8211; Coefficient de terrain k<sub>r<\/sub> :<\/p>\n<p><a href=\"https:\/\/villagebim.typepad.com\/.a\/6a015391e15a28970b0240a4a53956200d-pi\"><img loading=\"lazy\" decoding=\"async\" alt=\"clip_image007\" border=\"0\" height=\"107\" src=\"https:\/\/villagebim.typepad.com\/.a\/6a015391e15a28970b0240a47bfc1c200c-pi\" style=\"background-image: none;margin-left: auto;margin-right: auto\" title=\"clip_image007\" width=\"354\" \/><\/a><\/p>\n<p style=\"text-align: justify\">&#160; &#160; &#160; &#160; &#160;o c<sub>0<\/sub>(z) : Coefficient d\u2019orographie = c<sub>0<\/sub>(z)= c<sub>0<\/sub>(10) = 1 car z &lt; 15,0 m Voir En 1991-1-4 AN clause 4.3.3(1),<\/p>\n<p style=\"text-align: justify\"><strong>&#160;&#160;&#160;&#160;V<sub>m<\/sub>= 0,863 x 1 x 22 = 18,991 m\/s<\/strong><\/p>\n<ul>\n<li><strong>I<sub>v<\/sub>(z)<\/strong> : Intensit\u00e9 de turbulence = <a href=\"https:\/\/villagebim.typepad.com\/.a\/6a015391e15a28970b0240a4a5395c200d-pi\"><img loading=\"lazy\" decoding=\"async\" alt=\"clip_image008\" border=\"0\" height=\"122\" src=\"https:\/\/villagebim.typepad.com\/.a\/6a015391e15a28970b0240a4a53961200d-pi\" style=\"margin: 0px;background-image: none\" title=\"clip_image008\" width=\"152\" \/><\/a> Voir En 1991-1-4 4.4,<\/li>\n<\/ul>\n<p style=\"text-align: justify\">&#160; &#160; &#160; &#160; &#160;o K<sub>l<\/sub> : coefficient de turbulence orographique :<\/p>\n<p style=\"text-align: justify\">&#160;&#160;&#160;&#160;Site plat (Voir En 1991-1-4 AN 4.4(1) Note 2)<\/p>\n<p><a href=\"https:\/\/villagebim.typepad.com\/.a\/6a015391e15a28970b0240a4a53965200d-pi\"><img loading=\"lazy\" decoding=\"async\" alt=\"clip_image010\" border=\"0\" height=\"61\" src=\"https:\/\/villagebim.typepad.com\/.a\/6a015391e15a28970b0240a4a53969200d-pi\" style=\"background-image: none;margin-left: auto;margin-right: auto\" title=\"clip_image010\" width=\"454\" \/><\/a><\/p>\n<p style=\"text-align: justify\">&#160;&#160;&#160;&#160;Soit une Pression du vent en vitesse moyenne :<\/p>\n<p><a href=\"https:\/\/villagebim.typepad.com\/.a\/6a015391e15a28970b0240a4a5396d200d-pi\"><img loading=\"lazy\" decoding=\"async\" alt=\"image\" border=\"0\" height=\"60\" src=\"https:\/\/villagebim.typepad.com\/.a\/6a015391e15a28970b0240a4a53971200d-pi\" style=\"background-image: none;margin-left: auto;margin-right: auto\" title=\"image\" width=\"454\" \/><\/a><\/p>\n<p style=\"text-align: justify\"><strong><u>4 Dans le logiciel Autodesk Robot Structural Analysis :<\/u><\/strong><strong><u> <a name=\"_Toc246157425\"><\/a><\/u><\/strong><\/p>\n<p style=\"text-align: justify\">&#160;&#160;&#160;&#160;<u>La mod\u00e9lisation :<\/u><u><\/u><\/p>\n<p><a href=\"https:\/\/villagebim.typepad.com\/.a\/6a015391e15a28970b0240a4c9d6d5200b-pi\"><img loading=\"lazy\" decoding=\"async\" alt=\"clip_image014\" border=\"0\" height=\"296\" src=\"https:\/\/villagebim.typepad.com\/.a\/6a015391e15a28970b0240a4a5397c200d-pi\" style=\"background-image: none;margin-left: auto;margin-right: auto\" title=\"clip_image014\" width=\"454\" \/><\/a><\/p>\n<p style=\"text-align: justify\">&#160;&#160;&#160;&#160;<u>Choix de la norme :<\/u><\/p>\n<p style=\"text-align: justify\">&#160;&#160;&#160;&#160;Dans le logiciel, dans le menu d\u00e9roulant \u00ab <em>Outils \\ Pr\u00e9f\u00e9rences de la t\u00e2che<\/em> \u00bb \u00e0 la rubrique \u00ab Normes de conception \u00bb, choisir la norme \u00ab NF-EN 1991-3\/4 NA : 2007\/2008 \u00bb concernant les charges de neige et de vent.<\/p>\n<p><a href=\"https:\/\/villagebim.typepad.com\/.a\/6a015391e15a28970b0240a4c9d6d9200b-pi\"><img loading=\"lazy\" decoding=\"async\" alt=\"clip_image015\" border=\"0\" height=\"196\" src=\"https:\/\/villagebim.typepad.com\/.a\/6a015391e15a28970b0240a4c9d6df200b-pi\" style=\"background-image: none;margin-left: auto;margin-right: auto\" title=\"clip_image015\" width=\"354\" \/><\/a><\/p>\n<p style=\"text-align: justify\">&#160;&#160;&#160;&#160;<u>Param\u00e9trage du g\u00e9n\u00e9rateur de vent et de neige :<\/u><\/p>\n<ul>\n<li>Cliquez sur l\u2019ic\u00f4ne \u00ab <em>Charges de Neige et vent 2D\/3D <\/em>\u00bb<\/li>\n<\/ul>\n<p><a href=\"https:\/\/villagebim.typepad.com\/.a\/6a015391e15a28970b0240a47bfc24200c-pi\"><img loading=\"lazy\" decoding=\"async\" alt=\"clip_image017\" border=\"0\" height=\"327\" src=\"https:\/\/villagebim.typepad.com\/.a\/6a015391e15a28970b0240a4a53987200d-pi\" style=\"background-image: none;margin-left: auto;margin-right: auto\" title=\"clip_image017\" width=\"454\" \/><\/a><\/p>\n<ul>\n<li>Dans la fen\u00eatre qui apparait, cliquez sur le bouton \u00ab <em>Auto<\/em> \u00bb (d\u00e9tection automatique de l\u2019enveloppe), saisir les donn\u00e9es correspondant \u00e0 l\u2019exemple, d\u00e9cochez la case \u00e0 coche \u00ab <em>Neige<\/em> \u00bb puis cliquez sur le bouton \u00ab <em>Param\u00e8tres<\/em> \u00bb<\/li>\n<\/ul>\n<p><a href=\"https:\/\/villagebim.typepad.com\/.a\/6a015391e15a28970b0240a4a5398d200d-pi\"><img loading=\"lazy\" decoding=\"async\" alt=\"clip_image018\" border=\"0\" height=\"307\" src=\"https:\/\/villagebim.typepad.com\/.a\/6a015391e15a28970b0240a47bfc2c200c-pi\" style=\"background-image: none;margin-left: auto;margin-right: auto\" title=\"clip_image018\" width=\"354\" \/><\/a><\/p>\n<ul>\n<li>Dans l\u2019onglet \u00ab<em> Param\u00e8tres globaux<\/em> \u00bb, saisir les donn\u00e9es correspondant \u00e0 l\u2019exemple :<\/li>\n<\/ul>\n<p><a href=\"https:\/\/villagebim.typepad.com\/.a\/6a015391e15a28970b0240a4a53993200d-pi\"><img loading=\"lazy\" decoding=\"async\" alt=\"clip_image019\" border=\"0\" height=\"311\" src=\"https:\/\/villagebim.typepad.com\/.a\/6a015391e15a28970b0240a47bfc31200c-pi\" style=\"background-image: none;margin-left: auto;margin-right: auto\" title=\"clip_image019\" width=\"354\" \/><\/a><\/p>\n<ul>\n<li>Dans l\u2019onglet \u00ab <em>Vent<\/em> \u00bb, saisir les donn\u00e9es correspondant \u00e0 l\u2019exemple :<\/li>\n<\/ul>\n<p><a href=\"https:\/\/villagebim.typepad.com\/.a\/6a015391e15a28970b0240a4c9d6ed200b-pi\"><img loading=\"lazy\" decoding=\"async\" alt=\"clip_image020\" border=\"0\" height=\"311\" src=\"https:\/\/villagebim.typepad.com\/.a\/6a015391e15a28970b0240a4a5399a200d-pi\" style=\"background-image: none;margin-left: auto;margin-right: auto\" title=\"clip_image020\" width=\"354\" \/><\/a><\/p>\n<ul>\n<li>Cliquez sur le bouton \u00ab <em>G\u00e9n\u00e9rer<\/em> \u00bb<\/li>\n<li>Enfin, s\u00e9lectionnez un portique (ou tous les portiques) puis cliquez sur le bouton \u00ab <em>Ok<\/em> \u00bb<\/li>\n<\/ul>\n<p><a href=\"https:\/\/villagebim.typepad.com\/.a\/6a015391e15a28970b0240a47bfc36200c-pi\"><img loading=\"lazy\" decoding=\"async\" alt=\"clip_image021\" border=\"0\" height=\"376\" src=\"https:\/\/villagebim.typepad.com\/.a\/6a015391e15a28970b0240a4a539a0200d-pi\" style=\"background-image: none;margin-left: auto;margin-right: auto\" title=\"clip_image021\" width=\"354\" \/><\/a><\/p>\n<p style=\"text-align: justify\"><u>R\u00e9sultat :<\/u> Note de calcul des charges de vent<\/p>\n<p><a href=\"https:\/\/villagebim.typepad.com\/.a\/6a015391e15a28970b0240a47bfc3c200c-pi\"><img loading=\"lazy\" decoding=\"async\" alt=\"clip_image023\" border=\"0\" height=\"446\" src=\"https:\/\/villagebim.typepad.com\/.a\/6a015391e15a28970b0240a4c9d6f3200b-pi\" style=\"background-image: none;margin-left: auto;margin-right: auto\" title=\"clip_image023\" width=\"454\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>1- Objet : &#160;&#160;&#160;&#160;Le but de cet article est de montrer aux utilisateurs du logiciel Autodesk Robot Structural Analysis le calcul de la pression du vent suivant le r\u00e8glement Eurocode 1 au travers d\u2019un exemple. 2- Pr\u00e9sentation de l\u2019exemple : &#160;&#160;&#160;&#160;Il existe dans le logiciel Autodesk Robot Structural Analysis la possibilit\u00e9 de calculer la neige [&hellip;]<\/p>\n","protected":false},"author":4760,"featured_media":2472,"menu_order":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[77,58,6],"tags":[20,313,315,314],"class_list":["post-196","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-simulations-analyses","category-structure","category-trucs-et-astuces","tag-autodesk","tag-autodesk-robot-structural-analsys","tag-eurocode-1","tag-vent","dhig-theme--light"],"acf":[],"_links":{"self":[{"href":"https:\/\/blogs.autodesk.com\/villagebim\/wp-json\/wp\/v2\/posts\/196","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blogs.autodesk.com\/villagebim\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blogs.autodesk.com\/villagebim\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blogs.autodesk.com\/villagebim\/wp-json\/wp\/v2\/users\/4760"}],"replies":[{"embeddable":true,"href":"https:\/\/blogs.autodesk.com\/villagebim\/wp-json\/wp\/v2\/comments?post=196"}],"version-history":[{"count":0,"href":"https:\/\/blogs.autodesk.com\/villagebim\/wp-json\/wp\/v2\/posts\/196\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blogs.autodesk.com\/villagebim\/wp-json\/wp\/v2\/media\/2472"}],"wp:attachment":[{"href":"https:\/\/blogs.autodesk.com\/villagebim\/wp-json\/wp\/v2\/media?parent=196"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blogs.autodesk.com\/villagebim\/wp-json\/wp\/v2\/categories?post=196"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blogs.autodesk.com\/villagebim\/wp-json\/wp\/v2\/tags?post=196"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}