{"id":110530,"date":"2025-10-29T07:58:59","date_gmt":"2025-10-29T06:58:59","guid":{"rendered":"https:\/\/www.maccaferri.com\/fr\/success-stories\/digue-entre-le-pont-du-lay-et-la-pergola\/"},"modified":"2026-02-16T15:41:38","modified_gmt":"2026-02-16T14:41:38","slug":"digue-entre-le-pont-du-lay-et-la-pergola","status":"publish","type":"stories","link":"https:\/\/www.maccaferri.com\/fr\/exemples-de-r\u00e9ussites\/digue-entre-le-pont-du-lay-et-la-pergola\/","title":{"rendered":"DIGUE ENTRE LE PONT DU LAY ET LA PERGOLA"},"content":{"rendered":"
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Challenge<\/h3>\n <\/div>\n <\/div>\n <\/div>\n <\/div> \n <\/div>\n
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Les travaux r\u00e9alis\u00e9s s\u2019inscrivent dans les dispositions techniques et financi\u00e8res du Programme d\u2019Action de Pr\u00e9vention des Inondations du bassin du Lay aval post-Xynthia, labellis\u00e9 en juillet 2014. L\u2019ouvrage est en grande partie implant\u00e9 \u00e0 l\u2019arri\u00e8re d\u2019exploitations conchylicoles, \u00e0 des distances comprises entre 300 m et 600 m du lit mineur du Lay. Dans ces zones, il n\u2019est pas soumis aux fluctuations courantes du fleuve et de la mer car le schorre et les digues des exploitations l\u2019en prot\u00e8gent. Cependant, l\u2019ouvrage est ponctuellement situ\u00e9 \u00e0 proximit\u00e9 imm\u00e9diate du lit mineur du Lay comme au droit du port et de La Pergola. Les travaux comprenaient la protection des talus c\u00f4t\u00e9 terre et c\u00f4t\u00e9 Lay et en cr\u00eate de digue par la mise en place d\u2019une g\u00e9ogrille tridimensionnelle (anti-\u00e9rosive et anti-fouisseur) et d\u2019une \u00e9paisseur de 10 cm de terre v\u00e9g\u00e9tale minimum. <\/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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La solution choisie s’est port\u00e9e sur du Macmat-R ayant pour fonctions de prot\u00e9ger contre l’\u00e9rosion superficelle des digues. Le MacMat-R est une g\u00e9ogrille tridimensionnelle stabilis\u00e9e aux UV, en fibres synth\u00e9tiques et compos\u00e9e d’un renforcement de 35kN\/m. Le renforcement et la matrice polym\u00e8re permettent au Macmat-R de r\u00e9sister \u00e0 des efforts hydrauliques importants. De plus, il repr\u00e9sente un substrat id\u00e9al pour permettre la repousse de la v\u00e9g\u00e9tation en favorisant le d\u00e9veloppement racinaire. Maccaferri a su tenir les d\u00e9lais de fabrication et de livraison impos\u00e9s en livrant la totalit\u00e9 des quantit\u00e9s de MacMat-R n\u00e9cessaires en un mois et demi.<\/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 g\u00e9ocomposites dont la structure tridimensionnelle peut \u00eatre coupl\u00e9e soit avec un grillage m\u00e9tallique \u00e0 double torsio<\/span>Voir\n \n <\/a>
star<\/span><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"

La solution choisie s'est port\u00e9e sur du Macmat-R ayant pour fonctions de prot\u00e9ger contre l'\u00e9rosion superficelle des digues. Le MacMat-R est<\/p>\n","protected":false},"featured_media":9445,"parent":0,"menu_order":0,"template":"","stories-category":[],"stories-tag":[],"class_list":["post-110530","stories","type-stories","status-publish","has-post-thumbnail","hentry"],"acf":{"products":[113681],"applications":[103499,103499],"solutions":[103628],"sectors":[103466]},"yoast_head":"\nDIGUE ENTRE LE PONT DU LAY ET LA PERGOLA - Maccaferri France<\/title>\n<meta name=\"description\" content=\"D\u00e9couvrez nos r\u00e9ussites : DIGUE ENTRE LE PONT DU LAY ET LA PERGOLA. 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