{"id":24163,"date":"2023-05-31T10:18:22","date_gmt":"2023-05-31T08:18:22","guid":{"rendered":"https:\/\/maccaferri-stage.softecspa.it\/fr\/exemples-de-r\u00e9ussites\/travaux-de-refection-de-la-digue-du-dain\/"},"modified":"2024-01-26T12:05:50","modified_gmt":"2024-01-26T11:05:50","slug":"travaux-de-refection-de-la-digue-du-dain","status":"publish","type":"stories","link":"https:\/\/maccaferri-stage.softecspa.it\/fr\/exemples-de-r\u00e9ussites\/travaux-de-refection-de-la-digue-du-dain\/","title":{"rendered":"TRAVAUX DE REFECTION DE LA DIGUE DU DAIN"},"content":{"rendered":"
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Probl\u00e8me<\/h3>\n <\/div>\n <\/div>\n <\/div>\n <\/div> \n <\/div>\n
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La digue littorale du Dain, construite en 1955, prot\u00e8ge le polder du Dain contre les submersions marines. Ce polder est strat\u00e9gique du point de vue \u00e9conomique par les exploitations ostr\u00e9icoles, les entreprises notamment productrices de naissains d\u2019hu\u00eetres et d\u2019une unit\u00e9 de recherche de l\u2019Ifremer. Entre ce secteur \u00e9conomique et la digue se situe un canal d\u2019\u00e9vacuation et une lagune, qui jouent un r\u00f4le de tamponnage en cas de franchissements et\/ou de br\u00e8ches. L\u2019\u00e9tude de Dangers r\u00e9alis\u00e9e en 2013 pla\u00e7ait la Digue du Dain dans la zone rouge de la matrice de criticit\u00e9. Le sc\u00e9nario le plus probable conduisant \u00e0 des d\u00e9g\u00e2ts \u00e9tait la rupture par br\u00e8che. L\u2019\u00c9tude de Dangers concluait donc \u00e0 la n\u00e9cessit\u00e9 de mettre en place des mesures de r\u00e9duction des risques dont la priorit\u00e9 1 consiste \u00e0 la r\u00e9fection de la digue du Dain.<\/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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Dans le cadre de ces travaux de r\u00e9fection de la digue, un g\u00e9omatelas tridimensionnelle anti-fouisseur devait \u00eatre install\u00e9 sur le talus sup\u00e9rieur de la digue cot\u00e9 Polder, ancr\u00e9 en t\u00eate et en pied. Maccaferri a fourni 47 000 m\u00b2 de MacMat renforc\u00e9 par un grillage double torsion r\u00e9pondant aux exigences du chantier : le MacMat R-Acier assure la stabilisation des surfaces, la protection contre l\u2019\u00e9rosion et contre les fouisseurs et le d\u00e9veloppement racinaire en un seul produit facile \u00e0 installer. Le MacMat\u00ae R-Acier consiste en une matrice 3D en fibres de polym\u00e8re stabilis\u00e9es aux UV extrud\u00e9es sur un grillage ind\u00e9maillable en fils d\u2019aciers rev\u00eatu de polym\u00e8re, pour garantir une dur\u00e9e de vie optimum. Ce g\u00e9omatelas tout en un est facile \u00e0 installer, durable et b\u00e9n\u00e9ficie d\u2019une haute r\u00e9sistance au poin\u00e7onnement. Une fois le MacMat install\u00e9 par l’entreprise \u00e0 un rendement de 600m\u00b2 par jour \u00e0 3 personnes, il a \u00e9t\u00e9 recouvert de terre v\u00e9g\u00e9tale et le talus a \u00e9t\u00e9 rev\u00e9g\u00e9talis\u00e9 par r\u00e9ensemencement.<\/p>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>

Used Products<\/h2>
\"MacMat<\/div>
MacMat R<\/h6>Les g\u00e9omatelas renforc\u00e9s sont des composites dont la structure 3D est encastr\u00e9e dans une armature qui peut \u00eatre soit une maille d\u2019acier \u00e0 double torsi<\/span>Voir\n \n <\/a>
star<\/span><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"

Dans le cadre de ces travaux de r\u00e9fection de la digue, un g\u00e9omatelas tridimensionnelle anti-fouisseur devait \u00eatre install\u00e9 sur le talus sup\u00e9rieur<\/p>\n","protected":false},"featured_media":9445,"parent":0,"menu_order":0,"template":"","stories-category":[],"stories-tag":[],"class_list":["post-24163","stories","type-stories","status-publish","has-post-thumbnail","hentry"],"acf":{"products":null,"applications":null,"solutions":null,"sectors":null},"yoast_head":"\nTRAVAUX DE REFECTION DE LA DIGUE DU DAIN - 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\/travaux-de-refection-de-la-digue-du-dain\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"TRAVAUX DE REFECTION DE LA DIGUE DU DAIN - 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