{"id":227,"date":"2017-02-17T12:36:30","date_gmt":"2017-02-17T11:36:30","guid":{"rendered":"http:\/\/mxajfmgl.preview.infomaniak.website\/?post_type=project&#038;p=227"},"modified":"2018-07-17T16:22:32","modified_gmt":"2018-07-17T14:22:32","slug":"structures-industrielles","status":"publish","type":"project","link":"https:\/\/www.nrctech.ch\/?project=structures-industrielles","title":{"rendered":"Pr\u00e9sentation g\u00e9n\u00e9rale"},"content":{"rendered":"<p>[et_pb_section fb_built=\u00a0\u00bb1&Prime; admin_label=\u00a0\u00bbsection\u00a0\u00bb _builder_version=\u00a0\u00bb3.0.74&Prime; custom_padding=\u00a0\u00bb67px|0px|0|0px\u00a0\u00bb transparent_background=\u00a0\u00bboff\u00a0\u00bb][et_pb_row custom_padding=\u00a0\u00bb0|0px|30px|0px\u00a0\u00bb admin_label=\u00a0\u00bbrow\u00a0\u00bb _builder_version=\u00a0\u00bb3.0.47&Prime; background_size=\u00a0\u00bbinitial\u00a0\u00bb background_position=\u00a0\u00bbtop_left\u00a0\u00bb background_repeat=\u00a0\u00bbrepeat\u00a0\u00bb][et_pb_column type=\u00a0\u00bb1_2&Prime; _builder_version=\u00a0\u00bb3.0.47&Prime; parallax=\u00a0\u00bboff\u00a0\u00bb parallax_method=\u00a0\u00bbon\u00a0\u00bb][et_pb_text _builder_version=\u00a0\u00bb3.0.87&Prime; background_size=\u00a0\u00bbinitial\u00a0\u00bb background_position=\u00a0\u00bbtop_left\u00a0\u00bb background_repeat=\u00a0\u00bbrepeat\u00a0\u00bb use_border_color=\u00a0\u00bboff\u00a0\u00bb border_style=\u00a0\u00bbsolid\u00a0\u00bb]<\/p>\n<h1>Structures industrielles<\/h1>\n<p class=\"NRCNormal\">Les\u00a0<b>structures<\/b>\u00a0en milieu industriel sont souvent fortement sollicit\u00e9es dynamiquement. Ces sollicitations peuvent g\u00e9n\u00e9rer, d&rsquo;une part, une sensation d&rsquo;inconfort et, d&rsquo;autre part, des contraintes suffisantes pour diminuer consid\u00e9rablement la dur\u00e9e de vie en fatigue de l&rsquo;installation. D&rsquo;autre part, l&rsquo;interaction des machines et architectures de support\/sols est souvent complexe.<\/p>\n<p class=\"NRCNormal\"><b>NRCtech<\/b>\u00a0dispose des moyens n\u00e9cessaires \u00e0 mesurer<\/p>\n<ul>\n<li class=\"NRCnormal\">les\u00a0<b>modes propres:\u00a0<\/b>d\u00e9termination des modes de vibrations de la structure, ainsi que du sol<\/li>\n<li class=\"NRCnormal\">les\u00a0<b>niveaux vibratoires op\u00e9rationnels:\u00a0<\/b>mesure de l&rsquo;amplitude des vibrations de la structure en fonctionnement, ainsi que du sol<\/li>\n<li class=\"NRCnormal\">les <strong>d\u00e9formations<\/strong> locales de la structure.<\/li>\n<\/ul>\n<p class=\"NRCNormal\">A partir de ces donn\u00e9es, il est possible d&rsquo;\u00e9valuer:<\/p>\n<ul>\n<li class=\"NRCnormal\">les\u00a0<b>contraintes<\/b>\u00a0et les zones critiques de la structure,<\/li>\n<li class=\"NRCnormal\">la\u00a0<b>dur\u00e9e de vie en fatigue<\/b>\u00a0de l&rsquo;ensemble.<\/li>\n<\/ul>\n<p class=\"NRCNormal\">En fonctions de ces r\u00e9sultats, nous pouvons proposer des\u00a0<b>modifications structurelles<\/b>\u00a0permettant de r\u00e9duire le niveau vibratoire en dessous du seuil critique.<\/p>\n<p class=\"NRCNormal\">Exemples d&rsquo;analyse de structures industrielles r\u00e9alis\u00e9es par\u00a0<b>NRCtech<\/b>:<\/p>\n<ul>\n<li class=\"NRCnormal\">Mesure du niveau vibratoire en plusieurs points d&rsquo;une installation de crackage (raffinerie\u00a0<b>Tamoil<\/b>, Collombey),<\/li>\n<li class=\"NRCnormal\">Mesure, analyse et optimisation du niveau vibratoire d&rsquo;une tour m\u00e9tallique (<b>Nespresso<\/b>, Avenches).<\/li>\n<li class=\"NRCnormal\">Mesure et analyse du comportement vibratoire d&rsquo;une ligne de production et sol sur site (<b>Nespresso<\/b>, Romont)<\/li>\n<li class=\"NRCnormal\">Mesure des fr\u00e9quences et modes propres d&rsquo;un train de grand huit (<b>Bolliger &amp; Mabillard<\/b>, Monthey).<\/li>\n<li class=\"NRCnormal\">Mesure des niveaux vibratoires de locaux (divers horlogers)<\/li>\n<\/ul>\n<p>[\/et_pb_text][\/et_pb_column][et_pb_column type=\u00a0\u00bb1_2&Prime; _builder_version=\u00a0\u00bb3.0.47&Prime; parallax=\u00a0\u00bboff\u00a0\u00bb parallax_method=\u00a0\u00bbon\u00a0\u00bb][et_pb_text _builder_version=\u00a0\u00bb3.0.87&Prime; background_size=\u00a0\u00bbinitial\u00a0\u00bb background_position=\u00a0\u00bbtop_left\u00a0\u00bb background_repeat=\u00a0\u00bbrepeat\u00a0\u00bb use_border_color=\u00a0\u00bboff\u00a0\u00bb border_style=\u00a0\u00bbsolid\u00a0\u00bb]<\/p>\n<h1 id=\"fancy-title-9\" class=\"mk-fancy-title simple-style color-single\">CLIENTS<\/h1>\n<p class=\"mk-fancy-title simple-style color-single\">Tamoil, Nespresso, Bolliger &amp; Mabillard, divers horlogers<\/p>\n<p>[\/et_pb_text][et_pb_text _builder_version=\u00a0\u00bb3.0.87&Prime; background_size=\u00a0\u00bbinitial\u00a0\u00bb background_position=\u00a0\u00bbtop_left\u00a0\u00bb background_repeat=\u00a0\u00bbrepeat\u00a0\u00bb use_border_color=\u00a0\u00bboff\u00a0\u00bb border_style=\u00a0\u00bbsolid\u00a0\u00bb]<\/p>\n<h1>OBJECTIFS<\/h1>\n<p>R\u00e9duction du niveau vibratoire<br \/>\n[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row custom_padding=\u00a0\u00bb0|0px|0px|0px\u00a0\u00bb admin_label=\u00a0\u00bbrow\u00a0\u00bb _builder_version=\u00a0\u00bb3.0.47&Prime; background_size=\u00a0\u00bbinitial\u00a0\u00bb background_position=\u00a0\u00bbtop_left\u00a0\u00bb background_repeat=\u00a0\u00bbrepeat\u00a0\u00bb][et_pb_column type=\u00a0\u00bb4_4&Prime; _builder_version=\u00a0\u00bb3.0.47&Prime; parallax=\u00a0\u00bboff\u00a0\u00bb parallax_method=\u00a0\u00bbon\u00a0\u00bb][et_pb_video src=\u00a0\u00bbhttps:\/\/www.nrctech.ch\/wp-content\/uploads\/2018\/07\/Structure_industrielle.mp4&Prime; src_webm=\u00a0\u00bbhttps:\/\/www.nrctech.ch\/wp-content\/uploads\/2018\/07\/Structure_industrielle.webm\u00a0\u00bb _builder_version=\u00a0\u00bb3.9&Prime;][\/et_pb_video][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=\u00a0\u00bb1&Prime; admin_label=\u00a0\u00bbsection\u00a0\u00bb _builder_version=\u00a0\u00bb3.0.74&Prime; transparent_background=\u00a0\u00bboff\u00a0\u00bb][et_pb_row custom_padding=\u00a0\u00bb0|0px|0px|0px\u00a0\u00bb admin_label=\u00a0\u00bbrow\u00a0\u00bb _builder_version=\u00a0\u00bb3.0.47&Prime; background_size=\u00a0\u00bbinitial\u00a0\u00bb background_position=\u00a0\u00bbtop_left\u00a0\u00bb background_repeat=\u00a0\u00bbrepeat\u00a0\u00bb][et_pb_column type=\u00a0\u00bb4_4&Prime; _builder_version=\u00a0\u00bb3.0.47&Prime; parallax=\u00a0\u00bboff\u00a0\u00bb parallax_method=\u00a0\u00bbon\u00a0\u00bb][et_pb_image src=\u00a0\u00bbhttps:\/\/www.nrctech.ch\/wp-content\/uploads\/2018\/07\/VIB-4.jpg\u00a0\u00bb align=\u00a0\u00bbcenter\u00a0\u00bb force_fullwidth=\u00a0\u00bbon\u00a0\u00bb _builder_version=\u00a0\u00bb3.9&Prime; animation_style=\u00a0\u00bbslide\u00a0\u00bb animation_direction=\u00a0\u00bbleft\u00a0\u00bb animation_duration=\u00a0\u00bb500ms\u00a0\u00bb animation_intensity_slide=\u00a0\u00bb10%\u00a0\u00bb use_border_color=\u00a0\u00bboff\u00a0\u00bb border_color=\u00a0\u00bb#ffffff\u00a0\u00bb border_width=\u00a0\u00bb1px\u00a0\u00bb border_style=\u00a0\u00bbsolid\u00a0\u00bb sticky=\u00a0\u00bboff\u00a0\u00bb][\/et_pb_image][\/et_pb_column][\/et_pb_row][et_pb_row custom_padding=\u00a0\u00bb0|0px|0|0px\u00a0\u00bb admin_label=\u00a0\u00bbrow\u00a0\u00bb _builder_version=\u00a0\u00bb3.0.47&Prime; background_size=\u00a0\u00bbinitial\u00a0\u00bb background_position=\u00a0\u00bbtop_left\u00a0\u00bb background_repeat=\u00a0\u00bbrepeat\u00a0\u00bb][et_pb_column type=\u00a0\u00bb4_4&Prime; _builder_version=\u00a0\u00bb3.0.47&Prime; parallax=\u00a0\u00bboff\u00a0\u00bb parallax_method=\u00a0\u00bbon\u00a0\u00bb][et_pb_image src=\u00a0\u00bbhttps:\/\/www.nrctech.ch\/wp-content\/uploads\/2017\/02\/Vibrations_01.png\u00a0\u00bb align=\u00a0\u00bbcenter\u00a0\u00bb force_fullwidth=\u00a0\u00bbon\u00a0\u00bb _builder_version=\u00a0\u00bb3.9&Prime; animation_style=\u00a0\u00bbslide\u00a0\u00bb animation_direction=\u00a0\u00bbleft\u00a0\u00bb animation_duration=\u00a0\u00bb500ms\u00a0\u00bb animation_intensity_slide=\u00a0\u00bb10%\u00a0\u00bb use_border_color=\u00a0\u00bboff\u00a0\u00bb border_color=\u00a0\u00bb#ffffff\u00a0\u00bb border_width=\u00a0\u00bb1px\u00a0\u00bb border_style=\u00a0\u00bbsolid\u00a0\u00bb sticky=\u00a0\u00bboff\u00a0\u00bb][\/et_pb_image][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Structures industrielles Les\u00a0structures\u00a0en milieu industriel sont souvent fortement sollicit\u00e9es dynamiquement. Ces sollicitations peuvent g\u00e9n\u00e9rer, d&rsquo;une part, une sensation d&rsquo;inconfort et, d&rsquo;autre part, des contraintes suffisantes pour diminuer consid\u00e9rablement la dur\u00e9e de vie en fatigue de l&rsquo;installation. D&rsquo;autre part, l&rsquo;interaction des machines et architectures de support\/sols est souvent complexe. NRCtech\u00a0dispose des moyens n\u00e9cessaires \u00e0 mesurer les\u00a0modes [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":29312,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","inline_featured_image":false,"footnotes":""},"project_category":[4],"project_tag":[],"class_list":["post-227","project","type-project","status-publish","has-post-thumbnail","hentry","project_category-industrie"],"_links":{"self":[{"href":"https:\/\/www.nrctech.ch\/index.php?rest_route=\/wp\/v2\/project\/227","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.nrctech.ch\/index.php?rest_route=\/wp\/v2\/project"}],"about":[{"href":"https:\/\/www.nrctech.ch\/index.php?rest_route=\/wp\/v2\/types\/project"}],"author":[{"embeddable":true,"href":"https:\/\/www.nrctech.ch\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.nrctech.ch\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=227"}],"version-history":[{"count":12,"href":"https:\/\/www.nrctech.ch\/index.php?rest_route=\/wp\/v2\/project\/227\/revisions"}],"predecessor-version":[{"id":29916,"href":"https:\/\/www.nrctech.ch\/index.php?rest_route=\/wp\/v2\/project\/227\/revisions\/29916"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.nrctech.ch\/index.php?rest_route=\/wp\/v2\/media\/29312"}],"wp:attachment":[{"href":"https:\/\/www.nrctech.ch\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=227"}],"wp:term":[{"taxonomy":"project_category","embeddable":true,"href":"https:\/\/www.nrctech.ch\/index.php?rest_route=%2Fwp%2Fv2%2Fproject_category&post=227"},{"taxonomy":"project_tag","embeddable":true,"href":"https:\/\/www.nrctech.ch\/index.php?rest_route=%2Fwp%2Fv2%2Fproject_tag&post=227"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}