{"id":24187,"date":"2023-05-31T10:18:26","date_gmt":"2023-05-31T08:18:26","guid":{"rendered":"https:\/\/maccaferri-stage.softecspa.it\/fr\/exemples-de-r\u00e9ussites\/protection-de-berges-suite-tempete-alex-2020-barrage-du-suquet\/"},"modified":"2024-01-26T12:05:44","modified_gmt":"2024-01-26T11:05:44","slug":"protection-de-berges-suite-tempete-alex-2020-barrage-du-suquet","status":"publish","type":"stories","link":"https:\/\/maccaferri-stage.softecspa.it\/fr\/exemples-de-r\u00e9ussites\/protection-de-berges-suite-tempete-alex-2020-barrage-du-suquet\/","title":{"rendered":"PROTECTION DE BERGES SUITE TEMP\u00caTE ALEX 2020 – BARRAGE DU SUQUET"},"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 massive des terrains environnants.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. Au niveau de la retenue du barrage du Suquet, le talus aval \u00e0 la route M2565 a gliss\u00e9 et a entra\u00een\u00e9 l’accotement de la chauss\u00e9e. Jusqu’\u00e0 la r\u00e9alisation des travaux, la chauss\u00e9e a \u00e9t\u00e9 r\u00e9duite \u00e0 une voie de circulation.<\/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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France MACCAFERRI a r\u00e9alis\u00e9 une \u00e9tude proposant un ouvrage de d\u00e9fense de berge de 96m de longueur. Le confortement de berge est assur\u00e9 par la mise en place d\u2019un mur poids en gabions de 4m de hauteur surmont\u00e9 d’un talus \u00e0 3H:2V de 8m de hauteur. L’assise de l’ouvrage est assur\u00e9e par un sabot en enrochements b\u00e9tonn\u00e9s le prot\u00e9geant de l’affouillement. Le gabion est une technique couramment utilis\u00e9e pour soutenir et prot\u00e9ger de l\u2019\u00e9rosion les berges soumises \u00e0 des \u00e9coulements de type fluviaux ou torrentiels. Ces structures ont une grande r\u00e9sistance m\u00e9canique tout en conservant une souplesse n\u00e9cessaire pour s\u2019adapter \u00e0 d\u2019\u00e9ventuels mouvements de sols. Leur caract\u00e8re drainant \u00e9vite la mise en charge et la saturation des sols \u00e0 l\u2019arri\u00e8re et all\u00e8ge donc la pouss\u00e9e du terrain. Enfin, ils permettent d\u2019obtenir des performances hydrauliques identiques \u00e0 des enrochements d\u2019\u00e9paisseur 3 \u00e0 4 fois sup\u00e9rieure tout en utilisant un calibre de mat\u00e9riaux de l\u2019ordre de 90\/180mm. En pr\u00e9vision du risque important d’impact de flottant, une protection fusible en gabion de 1m d’\u00e9paisseur a \u00e9t\u00e9 mise en place sur une hauteur de 3m. Les fusibles ont \u00e9t\u00e9 r\u00e9alis\u00e9s en gabions plus r\u00e9sistants Strong face dont le fil a un diam\u00e8tre de 3.9mm contre un diam\u00e8tre standard de fil de 2.7mm pour les gabions arri\u00e8res participant \u00e0 la stabilit\u00e9 de l’ouvrage.<\/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><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"

France MACCAFERRI a r\u00e9alis\u00e9 une \u00e9tude proposant un ouvrage de d\u00e9fense de berge de 96m de longueur. Le confortement de berge est assur\u00e9 par la mis<\/p>\n","protected":false},"featured_media":9445,"parent":0,"menu_order":0,"template":"","stories-category":[],"stories-tag":[],"class_list":["post-24187","stories","type-stories","status-publish","has-post-thumbnail","hentry"],"acf":{"products":null,"applications":null,"solutions":null,"sectors":null},"yoast_head":"\nPROTECTION DE BERGES SUITE TEMP\u00caTE ALEX 2020 - BARRAGE DU SUQUET - 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-suite-tempete-alex-2020-barrage-du-suquet\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"PROTECTION DE BERGES SUITE TEMP\u00caTE ALEX 2020 - BARRAGE DU SUQUET - Maccaferri France\" \/>\n<meta property=\"og:description\" content=\"France MACCAFERRI a r\u00e9alis\u00e9 une \u00e9tude proposant un ouvrage de d\u00e9fense de berge de 96m de longueur. 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