{"id":24226,"date":"2023-05-31T10:18:34","date_gmt":"2023-05-31T08:18:34","guid":{"rendered":"https:\/\/maccaferri-stage.softecspa.it\/fr\/exemples-de-r\u00e9ussites\/reconstruction-du-virage-de-la-madone-rm94\/"},"modified":"2024-01-26T12:05:37","modified_gmt":"2024-01-26T11:05:37","slug":"reconstruction-du-virage-de-la-madone-rm94","status":"publish","type":"stories","link":"https:\/\/maccaferri-stage.softecspa.it\/fr\/exemples-de-r\u00e9ussites\/reconstruction-du-virage-de-la-madone-rm94\/","title":{"rendered":"RECONSTRUCTION DU VIRAGE DE LA MADONE RM94"},"content":{"rendered":"
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Probl\u00e8me<\/h3>\n <\/div>\n <\/div>\n <\/div>\n <\/div> \n <\/div>\n
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Le passage de la temp\u00eate Alex dans la vall\u00e9e de la V\u00e9subie en octobre 2020 a provoqu\u00e9 d’importants d\u00e9g\u00e2ts. A certains endroits, il est tomb\u00e9 en 24h l’\u00e9quivalent d’une ann\u00e9e de pr\u00e9cipitations.Des millions de m3 de terrains ont \u00e9t\u00e9 emport\u00e9s, les infrastructures routi\u00e8res ont \u00e9t\u00e9 coup\u00e9es, des maisons ont \u00e9t\u00e9 emport\u00e9es et la faune aquatique locale a compl\u00e8tement disparu. La subdivision des routes de Roquebili\u00e8re a alors d\u00fb prendre des mesures d’urgence et s’est appuy\u00e9e sur les entreprises locales et l’expertise de France Maccaferri pour dimensionner et mettre en oeuvre les ouvrages de sout\u00e8nement en remblai. A Saint Martin de V\u00e9subie, l’acc\u00e8s au vallon de la Madone se fait par la M94 qui effectue un virage \u00e0 flanc de montagne, implant\u00e9 \u00e0 environ 20m de hauteur au dessus du torrent du Bor\u00e9on. Durant la crue, un immense glissement de terrain d’une centaine de m\u00e8tre de hauteur et de 200m de largeur a emport\u00e9 la route au droit du virage. Passage incontournable pour acc\u00e9der au vallon de la Madone, la subdivision des routes a d\u00e9cid\u00e9 de lancer les travaux de traitement de ce glissement \u00e0 la fin de l’ann\u00e9e 2021. <\/p>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n

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Solution<\/h3>\n <\/div>\n <\/div>\n <\/div>\n <\/div> \n <\/div>\n
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Apr\u00e8s un nettoyage de la zone en purgeant les blocs instables et en lissant la surface du glissement, un remodelage du pied de glissement a \u00e9t\u00e9 ensuite entrepris pour permettre de r\u00e9tablir le trac\u00e9 de la route. Maccaferri a \u00e9t\u00e9 sollicit\u00e9e pour dimensionner, approvisionner et mettre en \u0153uvre des solutions \u00e0 parement min\u00e9ral Terramesh System et \u00e0 parement inclin\u00e9 v\u00e9g\u00e9talis\u00e9 en Terramesh vert. 3 murs de sout\u00e8nement ont \u00e9t\u00e9 mis en place en terrasse : – le mur inf\u00e9rieur de 230m de long en Terramesh system de hauteur jusqu’\u00e0 8m soutient la partie inf\u00e9rieure de la chauss\u00e9e. Un talus \u00e0 3H:2V surmonte le mur pour rejoindre la chauss\u00e9e. – le mur interm\u00e9diaire de 75m de long en Terramesh Vert de hauteur jusqu’\u00e0 6m10 est situ\u00e9 entre la voie inf\u00e9rieure et sup\u00e9rieure de la chauss\u00e9e. Un talus \u00e0 3H:2V surmonte le mur pour rejoindre la chauss\u00e9e. – le mur sup\u00e9rieur de 65m de long en Terramesh vert de hauteur 5m30 soutient le terrain en amont de la chauss\u00e9e sup\u00e9rieure. En outre il d\u00e9passe de 2m30 au dessus du terrain naturel, remplissant \u00e9galement le r\u00f4le de merlon pare blocs. <\/p>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>

Used Products<\/h2>
\"Terramesh\"<\/div>
Terramesh<\/h6>La famille Terramesh\u00ae de Maccaferri comprend diff\u00e9rentes options de parement pour la construction de structures en terre stabilis\u00e9e m\u00e9caniqu<\/span>Voir\n \n <\/a>
star<\/span><\/div><\/div><\/div><\/div><\/div>
\"G\u00e9ogrilles<\/div>
G\u00e9ogrilles monoaxiales<\/h6>Les g\u00e9ogrilles sont utilis\u00e9es, principalement, \u00e0 des fins de renforcement, compte tenu de leur structure particuli\u00e8re qui leur permet de fournir la fo<\/span>Voir\n \n <\/a>
star<\/span><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"

Apr\u00e8s un nettoyage de la zone en purgeant les blocs instables et en lissant la surface du glissement, un remodelage du pied de glissement a \u00e9t\u00e9 en<\/p>\n","protected":false},"featured_media":9445,"parent":0,"menu_order":0,"template":"","stories-category":[],"stories-tag":[],"class_list":["post-24226","stories","type-stories","status-publish","has-post-thumbnail","hentry"],"acf":{"products":null,"applications":null,"solutions":null,"sectors":null},"yoast_head":"\nRECONSTRUCTION DU VIRAGE DE LA MADONE RM94 - Maccaferri France<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/maccaferri-stage.softecspa.it\/fr\/exemples-de-r\u00e9ussites\/reconstruction-du-virage-de-la-madone-rm94\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"RECONSTRUCTION DU VIRAGE DE LA MADONE RM94 - 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