{"id":24127,"date":"2023-05-31T10:18:15","date_gmt":"2023-05-31T08:18:15","guid":{"rendered":"https:\/\/maccaferri-stage.softecspa.it\/fr\/exemples-de-r\u00e9ussites\/protection-de-berges-m2565-depot-cachat-2\/"},"modified":"2024-01-26T12:05:58","modified_gmt":"2024-01-26T11:05:58","slug":"protection-de-berges-m2565-depot-cachat-2","status":"publish","type":"stories","link":"https:\/\/maccaferri-stage.softecspa.it\/fr\/exemples-de-r\u00e9ussites\/protection-de-berges-m2565-depot-cachat-2\/","title":{"rendered":"PROTECTION DE BERGES \u2013 M2565 – D\u00c9P\u00d4T CACHAT"},"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. Des millions de m3 de terrains ont \u00e9t\u00e9 emport\u00e9s et les infrastructures routi\u00e8res ont \u00e9t\u00e9 coup\u00e9es. Des travaux d’urgence ont d\u00fb \u00eatre effectu\u00e9s pour r\u00e9tablir l’axe routier reliant la vall\u00e9e de la V\u00e9subie \u00e0 la plaine du Var. Au droit du d\u00e9p\u00f4t de l’entreprise Cachat, l’\u00e9coulement de la V\u00e9subie est entonn\u00e9e avec en rive droite la digue prot\u00e9geant le stade de Roquebilli\u00e8re et en rive gauche le passage de la route principale M2565. Lors de la crue, la berge a \u00e9t\u00e9 emport\u00e9e en rive gauche sur plusieurs centaines de m\u00e8tre, coupant l’axe de la M2565 et emportant une surface importante de la plateforme du d\u00e9p\u00f4t de l’entreprise Cachat.<\/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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Une solution de confortement de berge par un massif en sol renforc\u00e9 a \u00e9t\u00e9 retenue, pour r\u00e9tablir le talus d’une douzaine de m\u00e8tre de hauteur. En pied, le talus a \u00e9t\u00e9 raidi \u00e0 45\u00b0 de pente moyenne sur environ 8m \u00e0 l’aide du proc\u00e9d\u00e9 Terramesh Vert et de g\u00e9ogrilles de renforts Paragrid 100, surmont\u00e9 par un talus autostable \u00e0 3H:2V. La protection hydraulique a \u00e9t\u00e9 assur\u00e9e par la mise en place d’un tapis anti affouillement en matelas Reno Plus de 30cm d’\u00e9paisseur et de 7m de longueur devant le mur. Une carapace en gabions de 1m50 d’\u00e9paisseur a \u00e9t\u00e9 dispos\u00e9e en fa\u00e7ade du Terramesh vert sur 6m de hauteur pour prot\u00e9ger la berge contre l’\u00e9rosion hydraulique. Cette solution a \u00e9t\u00e9 con\u00e7ue par France Maccaferri et pr\u00e9sente les avantages suivants : – dissociation des fonctions de sout\u00e8nement, de protection hydraulique et de protection anti affouillement. – Utilisation de solutions techniques utilisant les mat\u00e9riaux du site : les mat\u00e9riaux de remplissage des gabions et le remblai technique sont issus du criblage et du concassage des mat\u00e9riaux du site transport\u00e9s par la rivi\u00e8re lors de la crue. – Une empreinte carbone fortement r\u00e9duite par rapport \u00e0 des solutions de type b\u00e9ton ou enrochements n\u00e9cessitant un transport important. – La disponibilit\u00e9 des produits et la r\u00e9activit\u00e9 des \u00e9quipes de pose de Maccaferri a permis de r\u00e9aliser le chantier dans les d\u00e9lais impartis serr\u00e9s. <\/p>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>

Used Products<\/h2>
\"Gabions\"<\/div>
Gabions<\/h6>Le gabion Maccaferri est une bo\u00eete en grillage m\u00e9tallique \u00e0 double torsion de tailles variables, divis\u00e9e uniform\u00e9ment en cellules internes, interco<\/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><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"

Une solution de confortement de berge par un massif en sol renforc\u00e9 a \u00e9t\u00e9 retenue, pour r\u00e9tablir le talus d'une douzaine de m\u00e8tre de hauteur.<\/p>\n","protected":false},"featured_media":9445,"parent":0,"menu_order":0,"template":"","stories-category":[],"stories-tag":[],"class_list":["post-24127","stories","type-stories","status-publish","has-post-thumbnail","hentry"],"acf":{"products":null,"applications":null,"solutions":null,"sectors":null},"yoast_head":"\nPROTECTION DE BERGES \u2013 M2565 - D\u00c9P\u00d4T CACHAT - 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-m2565-depot-cachat-2\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"PROTECTION DE BERGES \u2013 M2565 - 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