{"id":24217,"date":"2023-05-31T10:18:32","date_gmt":"2023-05-31T08:18:32","guid":{"rendered":"https:\/\/maccaferri-stage.softecspa.it\/fr\/exemples-de-r\u00e9ussites\/protection-de-berges-a-lentree-des-gorges-vesubie\/"},"modified":"2024-01-26T12:05:39","modified_gmt":"2024-01-26T11:05:39","slug":"protection-de-berges-a-lentree-des-gorges-vesubie","status":"publish","type":"stories","link":"https:\/\/maccaferri-stage.softecspa.it\/fr\/exemples-de-r\u00e9ussites\/protection-de-berges-a-lentree-des-gorges-vesubie\/","title":{"rendered":"PROTECTION DE BERGES A L\u2019ENTR\u00c9E DES GORGES-VESUBIE"},"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. Les ruisseaux et torrents ont rapidement gonfl\u00e9 et sont sortis de leur lit provoquant l’\u00e9rosion massives des terrains environnant. Des millions de m3 de terrains ont \u00e9t\u00e9 emport\u00e9s, les infrastructures routi\u00e8res ont \u00e9t\u00e9 coup\u00e9es en de nombreux endroits, des maisons ont \u00e9t\u00e9 emport\u00e9es et la faune aquatique locale a compl\u00e8tement disparu. La subdivision des routes de Roquebilli\u00e8re a alors d\u00fb prendre des mesures d’urgence pour r\u00e9tablir l’axe routier reliant la vall\u00e9e de la V\u00e9subie \u00e0 la plaine du Var. Elle s’est appuy\u00e9e sur les entreprises locales l’expertise de France Maccaferri pour dimensionner et mettre en \u0153uvre les ouvrages de sout\u00e8nement en remblai. Dans ce contexte d\u2019urgence, \u00e0 la demande de la soci\u00e9t\u00e9 SLBTP, la soci\u00e9t\u00e9 France MACCAFERRI a r\u00e9alis\u00e9 une \u00e9tude proposant un ouvrage de d\u00e9fense de berge destin\u00e9 \u00e0 conforter la berge en rive droite \u00e0 l\u2019entr\u00e9e des gorges, au droit du village de Lantosque (06). <\/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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Le confortement et la protection de berge sont assur\u00e9s par la mise en place d\u2019un massif en sol renforc\u00e9 par Terramesh System reposant sur une protection en enrochements sur la partie aval et un tapis anti affouillement en matelas Reno sur la partie amont. L\u2019ouvrage en sol renforc\u00e9 a une longueur d\u2019environ 164m pour une hauteur variable entre 4 et 6m depuis le niveau de fondation assur\u00e9 par les enrochements ou les matelas Reno. La d\u00e9fense de berge r\u00e9alis\u00e9e devait remplir plusieurs fonctions : – Assurer la stabilit\u00e9 m\u00e9canique du talus – Prot\u00e9ger la berge contre l\u2019\u00e9rosion hydraulique – Prot\u00e9ger le pied de berges contre l\u2019affouillement entrainant une instabilit\u00e9 m\u00e9canique Le mur en Terramesh System est fond\u00e9 au niveau de la V\u00e9subie. Le gabion de fa\u00e7ade du massif en Terramesh System a une r\u00e9sistance importante aux contraintes tangentielles appliqu\u00e9es (> 600N\/m\u00b2). En pied, le massif arm\u00e9 reposera sur une base en matelas Reno Plus de 30cm d\u2019\u00e9paisseur et de 7m de longueur en partie amont. <\/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>
\"Matelas<\/div>
Matelas Reno Plus<\/h6>Les protections traditionnelles des berges des rivi\u00e8res r\u00e9alis\u00e9es \u00e0 l\u2019aide de pierres en vrac (enrochement) n\u00e9cessitent une couche \u00e9paisse de mat\u00e9r<\/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":"

Le confortement et la protection de berge sont assur\u00e9s par la mise en place d\u2019un massif en sol renforc\u00e9 par Terramesh System reposant sur une prot<\/p>\n","protected":false},"featured_media":9445,"parent":0,"menu_order":0,"template":"","stories-category":[],"stories-tag":[],"class_list":["post-24217","stories","type-stories","status-publish","has-post-thumbnail","hentry"],"acf":{"products":null,"applications":null,"solutions":null,"sectors":null},"yoast_head":"\nPROTECTION DE BERGES A L\u2019ENTR\u00c9E DES GORGES-VESUBIE - 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\/protection-de-berges-a-lentree-des-gorges-vesubie\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"PROTECTION DE BERGES A L\u2019ENTR\u00c9E DES GORGES-VESUBIE - 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