{"id":24130,"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-la-bollene-en-vesubie\/"},"modified":"2024-01-26T12:05:57","modified_gmt":"2024-01-26T11:05:57","slug":"protection-de-berges-la-bollene-en-vesubie","status":"publish","type":"stories","link":"https:\/\/maccaferri-stage.softecspa.it\/fr\/exemples-de-r\u00e9ussites\/protection-de-berges-la-bollene-en-vesubie\/","title":{"rendered":"PROTECTION DE BERGES – LA BOLL\u00c8NE EN V\u00c9SUBIE"},"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. 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. A l’aval de la confluence entre le ruisseau de la Planchette et la V\u00e9subie, au niveau de l’intersection entre la M2565 et la M70, la berge en rive gauche soutenant la M2565 a \u00e9t\u00e9 emport\u00e9e sur plus de 250m coupant l’axe routier principal d’acc\u00e8s \u00e0 la partie amont de la vall\u00e9e.<\/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. En pied, le talus a \u00e9t\u00e9 raidi \u00e0 45\u00b0 de pente moyenne sur environ 6m de hauteur \u00e0 l’aide du proc\u00e9d\u00e9 Terramesh Vert et de g\u00e9ogrilles de renforts Paragrid 100, surmont\u00e9 par un talus auto stable \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. Par ailleurs, une carapace en gabions de 1m50 d’\u00e9paisseur a \u00e9t\u00e9 dispos\u00e9e en fa\u00e7ade du Terramesh vert sur 5m de hauteur pour prot\u00e9ger la berge contre l’\u00e9rosion hydraulique. Au raccordement amont avec le cadre b\u00e9ton du ruisseau de la Planchette, un sout\u00e8nement sub-vertical en Terramesh System a \u00e9t\u00e9 r\u00e9alis\u00e9 sur 5m de hauteur avec un gabion fusible en additionnel en fa\u00e7ade. Cette solution, con\u00e7ue par France Maccaferri, 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>
\"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><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"

Une solution de confortement de berge par un massif en sol renforc\u00e9 a \u00e9t\u00e9 retenue. En pied, le talus a \u00e9t\u00e9 raidi \u00e0 45\u00b0 de pente moyenne sur env<\/p>\n","protected":false},"featured_media":9445,"parent":0,"menu_order":0,"template":"","stories-category":[],"stories-tag":[],"class_list":["post-24130","stories","type-stories","status-publish","has-post-thumbnail","hentry"],"acf":{"products":null,"applications":null,"solutions":null,"sectors":null},"yoast_head":"\nPROTECTION DE BERGES - LA BOLL\u00c8NE EN V\u00c9SUBIE - 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-la-bollene-en-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 - LA BOLL\u00c8NE EN V\u00c9SUBIE - Maccaferri France\" \/>\n<meta property=\"og:description\" content=\"Une solution de confortement de berge par un massif en sol renforc\u00e9 a \u00e9t\u00e9 retenue. 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