{"id":3794,"date":"2021-06-10T15:09:31","date_gmt":"2021-06-10T13:09:31","guid":{"rendered":"https:\/\/www.systra.com\/france\/systra-acheve-le-percement-du-metro-de-lyon\/"},"modified":"2026-06-29T09:06:42","modified_gmt":"2026-06-29T07:06:42","slug":"systra-acheve-le-percement-du-metro-de-lyon","status":"publish","type":"post","link":"https:\/\/www.systra.com\/france\/news\/systra-acheve-le-percement-du-metro-de-lyon\/","title":{"rendered":"SYSTRA ach\u00e8ve le percement du m\u00e9tro de Lyon"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Le prolongement de la ligne B du m\u00e9tro de Lyon est un projet qui mobilise SYSTRA depuis 2015, au service du Sytral, l&#8217;autorit\u00e9 organisatrice des transports urbains et interurbains de l&#8217;agglom\u00e9ration lyonnaise. Lors de sa mise en service attendue \u00e0 partir de 2023, les nouvelles rames automatiques transporteront plus de 25\u00a0000 voyageurs\/jours sur cette extension vers le complexe hospitalier r\u00e9gional.<\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Le parcours souterrain du tunnelier Coline a commenc\u00e9 d\u00e8s novembre 2019 \u00e0 Saint-Genis-Laval, le futur terminal de la ligne B<a href=\"https:\/\/systragroup.sharepoint.com\/sites\/mysystra\/FR\/news\/internal-news\/Pages\/Lyon-metro-ligneB.aspx\">\u200b<\/a>, depuis lequel la machine a ensuite creus\u00e9 l&#8217;ensemble du tunnel jusqu&#8217;au puits Orsel, situ\u00e9 non loin du terminus actuel sous la commune d&#8217;Oullins.<\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"> Durant la totalit\u00e9 de son trajet, l&#8217;\u00e9quipe SYSTRA a suivi toute la phase de r\u00e9alisation des travaux au sein de la ma\u00eetrise d&#8217;\u0153uvre Melyes, dont le mandataire est Egis. \u00c0 pr\u00e9sent d\u00e9bute le d\u00e9montage du tunnelier dans le puits Orsel, dans un espace exigu\u00a0: en effet, ce puits sert aussi \u00e0 la ventilation de la ligne B existante qui ne peut pas \u00eatre interrompue.<\/p>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<blockquote class=\"wp-block-quote is-style-bg-light-eggplant is-layout-flow wp-block-quote-is-layout-flow\"><p>En 19 mois, Coline a travers\u00e9 des milieux particuli\u00e8rement h\u00e9t\u00e9rog\u00e8nes, alluvions \u00e0 forte perm\u00e9abilit\u00e9, roche dure ou encore limons, ce qui a n\u00e9cessit\u00e9 une attention de tous les instants dans le pilotage de la machine et le suivi des travaux&nbsp;.&nbsp;Le creusement s&#8217;est d\u00e9roul\u00e9 sans incident majeur en exploitant le potentiel de ce tunnelier de derni\u00e8re g\u00e9n\u00e9ration (\u00e0 densit\u00e9 variable) qui utilise en plus des&nbsp;boues \u200binnovantes, \u00e9tudi\u00e9es sp\u00e9cialement pour le projet&nbsp;!&nbsp;<\/p><cite><strong>Federico Valdemarin<\/strong>, chef de projet SYSTRA<\/cite><\/blockquote>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Un impact r\u00e9duit sur le b\u00e2ti ancien<\/h3>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Les boues innovantes utilis\u00e9es sur le chantier ont \u00e9t\u00e9 d\u00e9velopp\u00e9es par le groupement d&#8217;entreprises r\u00e9unissant Implenia et Demathieu-Bard. Elles ont notamment permis de creuser \u00e0 une faible profondeur sous un tissu urbain tr\u00e8s sensible, o\u00f9 l&#8217;on trouve la plupart des constructions en pis\u00e9 (terre crue compact\u00e9e). <\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Les tassements mesur\u00e9s sur les b\u00e2tis le long de tout le lin\u00e9aire urbain n&#8217;ont pas d\u00e9pass\u00e9 les 5 mm, un v\u00e9ritable exploit ! De plus, les vibrations occasionn\u00e9es par la pr\u00e9sence de granit ont \u00e9t\u00e9 ma\u00eetris\u00e9es bien en-de\u00e7\u00e0 des seuils pr\u00e9vus avec des nuisances bien r\u00e9duites pour les riverains.<\/p>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">une r\u00e9utilisation des mat\u00e9riaux excav\u00e9s<\/h3>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Le projet de percement du tunnel est exemplaire de la vision SYSTRA du d\u00e9veloppement durable&nbsp;: &nbsp;\u00e0 travers la d\u00e9marche de valorisation des mat\u00e9riaux excav\u00e9s&nbsp;qui a \u00e9t\u00e9 mise en place sur ce projet 150&nbsp;000 tonnes sur les 400&nbsp;000 excav\u00e9es par le tunnelier ont \u00e9t\u00e9 r\u00e9utilis\u00e9es sur le chantier, gr\u00e2ce notamment au recyclage du sable dans le mortier de bourrage ou encore au rechargement du tunnel en grave non trait\u00e9, \u00e9conomisant de ce fait le trafic de plus de 7&nbsp;000 camions pour le transport aux exutoires des mat\u00e9riaux exc\u00e9dentaires. <\/p>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Informations cl\u00e9s sur le tunnelier coline<\/h3>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<ul class=\"has-griplusclair-color has-khaki-background-color has-text-color has-background wp-block-list\"><li>Tunnelier \u00e0 densit\u00e9 variable<\/li><li>120 m\u00e8tres de long<\/li><li>9,75 m\u00e8tres de diam\u00e8tre<\/li><li>2 200 tonnes<\/li><li>2,4 km de tunnel creus\u00e9<\/li><li>Plus de 400 000 tonnes de mat\u00e9riaux excav\u00e9s<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Le prolongement de la ligne B du m\u00e9tro de Lyon est un projet qui mobilise SYSTRA depuis 2015, au service du Sytral, l&#8217;autorit\u00e9 organisatrice des transports urbains et interurbains de l&#8217;agglom\u00e9ration lyonnaise. Lors de sa mise en service attendue \u00e0 partir de 2023, les nouvelles rames automatiques transporteront plus de 25\u00a0000 voyageurs\/jours sur cette extension [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_relevanssi_hide_post":"","_relevanssi_hide_content":"","_relevanssi_pin_for_all":"","_relevanssi_pin_keywords":"","_relevanssi_unpin_keywords":"","_relevanssi_related_keywords":"","_relevanssi_related_include_ids":"","_relevanssi_related_exclude_ids":"","_relevanssi_related_no_append":"","_relevanssi_related_not_related":"","_relevanssi_related_posts":"","_relevanssi_noindex_reason":"","footnotes":""},"categories":[25289],"tags":[],"class_list":["post-3794","post","type-post","status-publish","format-standard","hentry","category-non-classe"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.5 (Yoast SEO v28.5) - 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