{"id":347,"date":"2019-01-14T09:00:00","date_gmt":"2019-01-14T07:00:00","guid":{"rendered":"https:\/\/blogs.autodesk.com\/villagebim\/2019\/01\/explications-autodesk-robot-structural-analysis-les-raidisseurs-internes.html"},"modified":"2019-01-14T09:00:00","modified_gmt":"2019-01-14T07:00:00","slug":"explications-autodesk-robot-structural-analysis-les-raidisseurs-internes","status":"publish","type":"post","link":"https:\/\/blogs.autodesk.com\/villagebim\/2019\/01\/explications-autodesk-robot-structural-analysis-les-raidisseurs-internes.html","title":{"rendered":"[Explications] Autodesk Robot Structural Analysis \u2013 Les raidisseurs internes"},"content":{"rendered":"<p><a href=\"https:\/\/villagebim.typepad.com\/.a\/6a015391e15a28970b022ad3cc4db1200b-pi\"><img loading=\"lazy\" decoding=\"async\" alt=\"clip_image002_thumb[1]\" border=\"0\" height=\"232\" src=\"https:\/\/villagebim.typepad.com\/.a\/6a015391e15a28970b022ad3869b84200c-pi\" style=\"margin: 0px auto;border: 0px currentcolor;background-image: none\" title=\"clip_image002_thumb[1]\" width=\"454\" \/><\/a><\/p>\n<p style=\"text-align: justify\"><strong><u>Objet :<\/u><\/strong><\/p>\n<p style=\"text-align: justify\">&#160;&#160;&#160;&#160;Le d\u00e9versement est une instabilit\u00e9 induite par un moment de flexion produisant une semelle comprim\u00e9e qui tendance \u00e0 la faire flamber lat\u00e9ralement. Il existe une fonctionnalit\u00e9 dans le logiciel <strong>Autodesk<\/strong><strong><sup>\u00a9<\/sup><\/strong><strong>Robot<sup>TM<\/sup> Structural Analysis<\/strong> permettant de calculer les coefficients de d\u00e9versement suivant le chapitre 6.3.2 et de l\u2019annexe national.<\/p>\n<p><a href=\"https:\/\/villagebim.typepad.com\/.a\/6a015391e15a28970b022ad3869b86200c-pi\"><img loading=\"lazy\" decoding=\"async\" alt=\"image_thumb[1]\" border=\"0\" height=\"53\" src=\"https:\/\/villagebim.typepad.com\/.a\/6a015391e15a28970b022ad3869b8a200c-pi\" style=\"margin: 0px auto;border: 0px currentcolor;background-image: none\" title=\"image_thumb[1]\" width=\"454\" \/><\/a><\/p>\n<p style=\"text-align: justify\">&#160;&#160;&#160;&#160;Cette fonctionnalit\u00e9 s\u2019appelle \u00ab <em>Raidisseurs Internes<\/em> \u00bb (ou points fixes). Elle permet de sp\u00e9cifier plusieurs points de tenu lat\u00e9raux, permettant de v\u00e9rifier chaque tron\u00e7on et enfin, d\u2019afficher le plus d\u00e9favorable<em>.<\/em><\/p>\n<p style=\"text-align: justify\">De plus, cette option permet de sp\u00e9cifier des points de tenu lat\u00e9raux ind\u00e9pendants de l\u2019aile sup\u00e9rieure et de l\u2019aile inf\u00e9rieure car:<\/p>\n<ul>\n<li>la semelle comprim\u00e9e peut \u00eatre aussi bien se situer en partie haute qu\u2019en partie basse (cela est fonction de la courbe des moments)<\/li>\n<li>le nombre de points de tenu lat\u00e9raux peut \u00eatre diff\u00e9rent entre l\u2019aile sup\u00e9rieure (ex : entre pannes contrevent\u00e9es )et l\u2019aile inf\u00e9rieure (ex : entre bracons)<\/li>\n<\/ul>\n<p style=\"text-align: justify\"><strong><u>Pr\u00e9sentation de l\u2019exemple : <\/u><\/strong><\/p>\n<p style=\"text-align: justify\">&#160;&#160;&#160;&#160;Voici une poutre IPE220 sur deux appuis (articul\u00e9s avec les m\u00eames raideurs en rotation, soit une raideur de 45 kN.m\/deg) sous deux cas de chargement (un vers le bas, l\u2019autre vers le haut de m\u00eame intensit\u00e9 soit 20 kN\/m). L\u2019exemple est trait\u00e9 suivant la norme EN1993 1-1 AN (Eurocode 3 avec l\u2019Annexe Nationale Fran\u00e7aise) soit le r\u00e8glement du logiciel \u00ab <em>NF EN 1993-1 :2005\/NA :2007\/AC :2009<\/em> \u00bb.<\/p>\n<p><a href=\"https:\/\/villagebim.typepad.com\/.a\/6a015391e15a28970b022ad3869b8c200c-pi\"><img loading=\"lazy\" decoding=\"async\" alt=\"clip_image005_thumb[1]\" border=\"0\" height=\"145\" src=\"https:\/\/villagebim.typepad.com\/.a\/6a015391e15a28970b022ad3cc4db5200b-pi\" style=\"margin: 0px auto;border: 0px currentcolor;background-image: none\" title=\"clip_image005_thumb[1]\" width=\"454\" \/><\/a><\/p>\n<p style=\"text-align: justify\"><strong><u>R\u00e9sultats RDM (R\u00e9sistance Des Mat\u00e9riaux) :<\/u><\/strong><\/p>\n<p><a href=\"https:\/\/villagebim.typepad.com\/.a\/6a015391e15a28970b022ad3acb50f200d-pi\"><img loading=\"lazy\" decoding=\"async\" alt=\"clip_image007_thumb[1]\" border=\"0\" height=\"321\" src=\"https:\/\/villagebim.typepad.com\/.a\/6a015391e15a28970b022ad3cc4db7200b-pi\" style=\"margin: 0px auto;border: 0px currentcolor;background-image: none\" title=\"clip_image007_thumb[1]\" width=\"454\" \/><\/a><\/p>\n<p style=\"text-align: justify\"><strong><u>Utilisation de l\u2019option \u00ab raidisseurs interm\u00e9daires \u00bb: <\/u><\/strong><\/p>\n<p style=\"text-align: justify\">&#160;&#160;&#160;&#160;Vous trouvez ci-dessous les points que j\u2019ai utilis\u00e9 comme tenus lat\u00e9ralement (ou raidisseurs interm\u00e9diaires suivant la s\u00e9mantique du logiciel) :<\/p>\n<ul>\n<li>5 points de tenu en partie haute de la poutre,<\/li>\n<li>3 points en partie basse de la poutre.<\/li>\n<\/ul>\n<p><a href=\"https:\/\/villagebim.typepad.com\/.a\/6a015391e15a28970b022ad3869b90200c-pi\"><img loading=\"lazy\" decoding=\"async\" alt=\"image_thumb[3]\" border=\"0\" height=\"109\" src=\"https:\/\/villagebim.typepad.com\/.a\/6a015391e15a28970b022ad3cc4db9200b-pi\" style=\"margin: 0px auto;border: 0px currentcolor;background-image: none\" title=\"image_thumb[3]\" width=\"454\" \/><\/a><\/p>\n<p style=\"text-align: justify\">&#160;&#160;&#160;&#160;Vous trouvez ci-dessous le param\u00e9trage dans le logiciel :<\/p>\n<p><a href=\"https:\/\/villagebim.typepad.com\/.a\/6a015391e15a28970b022ad3869b94200c-pi\"><img loading=\"lazy\" decoding=\"async\" alt=\"clip_image010_thumb[1]\" border=\"0\" height=\"405\" src=\"https:\/\/villagebim.typepad.com\/.a\/6a015391e15a28970b022ad3acb517200d-pi\" style=\"margin: 0px auto;border: 0px currentcolor;background-image: none\" title=\"clip_image010_thumb[1]\" width=\"454\" \/><\/a><\/p>\n<p style=\"text-align: justify\"><strong><u>R\u00e9sultats logiciel :<\/u><\/strong><\/p>\n<p style=\"text-align: justify\">&#160;&#160;&#160;&#160;<u>Cas de charges vers le bas : <\/u><\/p>\n<p><a href=\"https:\/\/villagebim.typepad.com\/.a\/6a015391e15a28970b022ad3acb519200d-pi\"><img loading=\"lazy\" decoding=\"async\" alt=\"clip_image012_thumb[1]\" border=\"0\" height=\"348\" src=\"https:\/\/villagebim.typepad.com\/.a\/6a015391e15a28970b022ad3869b98200c-pi\" style=\"margin: 0px auto;border: 0px currentcolor;background-image: none\" title=\"clip_image012_thumb[1]\" width=\"454\" \/><\/a><\/p>\n<p style=\"text-align: justify\">&#160;&#160;&#160;&#160;<u>Cas de charges vers le haut : <\/u><\/p>\n<p><a href=\"https:\/\/villagebim.typepad.com\/.a\/6a015391e15a28970b022ad3cc4dbb200b-pi\"><img loading=\"lazy\" decoding=\"async\" alt=\"clip_image014_thumb[1]\" border=\"0\" height=\"348\" src=\"https:\/\/villagebim.typepad.com\/.a\/6a015391e15a28970b022ad3acb51d200d-pi\" style=\"margin: 0px auto;border: 0px currentcolor;background-image: none\" title=\"clip_image014_thumb[1]\" width=\"454\" \/><\/a><\/p>\n<p style=\"text-align: justify\"><strong><u>R\u00e9sultats calculs manuels :<\/u><\/strong><\/p>\n<p style=\"text-align: justify\">&#160;&#160;&#160;&#160;<u>Cas de charges vers le bas :<\/u><\/p>\n<p><u><a href=\"https:\/\/villagebim.typepad.com\/.a\/6a015391e15a28970b022ad3cc4dbf200b-pi\"><img loading=\"lazy\" decoding=\"async\" alt=\"image_thumb[5]\" border=\"0\" height=\"133\" src=\"https:\/\/villagebim.typepad.com\/.a\/6a015391e15a28970b022ad3cc4dc3200b-pi\" style=\"background-image: none;margin-left: auto;margin-right: auto\" title=\"image_thumb[5]\" width=\"454\" \/><\/a><a href=\"https:\/\/villagebim.typepad.com\/.a\/6a015391e15a28970b022ad3cc4dc5200b-pi\"><img loading=\"lazy\" decoding=\"async\" alt=\"image_thumb[7]\" border=\"0\" height=\"356\" src=\"https:\/\/villagebim.typepad.com\/.a\/6a015391e15a28970b022ad3cc4dc9200b-pi\" style=\"background-image: none;margin-left: auto;margin-right: auto\" title=\"image_thumb[7]\" width=\"454\" \/><\/a><\/u>&#160;&#160;&#160;&#160;<u>Cas de charges vers le haut :<\/u><\/p>\n<p><u><a href=\"https:\/\/villagebim.typepad.com\/.a\/6a015391e15a28970b022ad3acb51f200d-pi\"><img loading=\"lazy\" decoding=\"async\" alt=\"image_thumb[9]\" border=\"0\" height=\"96\" src=\"https:\/\/villagebim.typepad.com\/.a\/6a015391e15a28970b022ad3acb523200d-pi\" style=\"margin: 0px auto;border: 0px currentcolor;background-image: none\" title=\"image_thumb[9]\" width=\"454\" \/><\/a><\/u><\/p>\n<p><u><a href=\"https:\/\/villagebim.typepad.com\/.a\/6a015391e15a28970b022ad3869b9c200c-pi\"><img loading=\"lazy\" decoding=\"async\" alt=\"image_thumb[11]\" border=\"0\" height=\"332\" src=\"https:\/\/villagebim.typepad.com\/.a\/6a015391e15a28970b022ad3cc4dce200b-pi\" style=\"background-image: none;margin-left: auto;margin-right: auto\" title=\"image_thumb[11]\" width=\"454\" \/><\/a><\/u><\/p>\n<p><strong><u>Conclusion :<\/u><\/strong><\/p>\n<p style=\"text-align: justify\">&#160;&#160;&#160;&#160;Les r\u00e9sultats manuels corroborent les r\u00e9sultats issus du logiciel.<\/p>\n<p style=\"text-align: justify\">&#160;&#160;&#160;&#160;Comme vous avez pu le constater, l\u2019utilisation de la fonction \u00ab <em>Raidisseurs interm\u00e9diaires<\/em> \u00bb est tr\u00e8s pratique car elle permet de faire les v\u00e9rifications r\u00e8glementaires tron\u00e7ons par tron\u00e7on et d\u2019afficher le r\u00e9sultat le plus d\u00e9favorable.<\/p>\n<p style=\"text-align: justify\">Nota : Dans l\u2019exemple, le calcul a \u00e9t\u00e9 men\u00e9 uniquement sous l\u2019influence du d\u00e9versement, cette option peut \u00eatre utilis\u00e9e pour le flambement ou les deux instabilit\u00e9s (Flambement + d\u00e9versement)<\/p>\n<p>&#160;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Objet : &#160;&#160;&#160;&#160;Le d\u00e9versement est une instabilit\u00e9 induite par un moment de flexion produisant une semelle comprim\u00e9e qui tendance \u00e0 la faire flamber lat\u00e9ralement. Il existe une fonctionnalit\u00e9 dans le logiciel Autodesk\u00a9RobotTM Structural Analysis permettant de calculer les coefficients de d\u00e9versement suivant le chapitre 6.3.2 et de l\u2019annexe national. &#160;&#160;&#160;&#160;Cette fonctionnalit\u00e9 s\u2019appelle \u00ab Raidisseurs Internes [&hellip;]<\/p>\n","protected":false},"author":13092,"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":[58,6],"tags":[20,44,517,516,515],"class_list":["post-347","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-structure","category-trucs-et-astuces","tag-autodesk","tag-bim","tag-deversement","tag-raidisseurs","tag-robot-strutural-analysis","dhig-theme--light"],"acf":[],"_links":{"self":[{"href":"https:\/\/blogs.autodesk.com\/villagebim\/wp-json\/wp\/v2\/posts\/347","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\/13092"}],"replies":[{"embeddable":true,"href":"https:\/\/blogs.autodesk.com\/villagebim\/wp-json\/wp\/v2\/comments?post=347"}],"version-history":[{"count":0,"href":"https:\/\/blogs.autodesk.com\/villagebim\/wp-json\/wp\/v2\/posts\/347\/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=347"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blogs.autodesk.com\/villagebim\/wp-json\/wp\/v2\/categories?post=347"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blogs.autodesk.com\/villagebim\/wp-json\/wp\/v2\/tags?post=347"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}