{"id":24235,"date":"2023-05-31T10:18:36","date_gmt":"2023-05-31T08:18:36","guid":{"rendered":"https:\/\/maccaferri-stage.softecspa.it\/fr\/exemples-de-r\u00e9ussites\/autoroute-a11-amenagement-porte-de-gesvres\/"},"modified":"2024-01-26T12:05:35","modified_gmt":"2024-01-26T11:05:35","slug":"autoroute-a11-amenagement-porte-de-gesvres","status":"publish","type":"stories","link":"https:\/\/maccaferri-stage.softecspa.it\/fr\/exemples-de-r\u00e9ussites\/autoroute-a11-amenagement-porte-de-gesvres\/","title":{"rendered":"AUTOROUTE A11-AMENAGEMENT PORTE DE GESVRES"},"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 partie nord du p\u00e9riph\u00e9rique de Nantes assure une double fonction de liaison autorouti\u00e8re interurbaine et de rocade de l\u2019agglom\u00e9ration nantaise. Au droit de la Porte de Gesvres sur l\u2019autoroute A11, le r\u00e9tr\u00e9cissement du p\u00e9riph\u00e9rique \u00e0 une seule voie par sens sur les voies de liaison de l\u2019\u00e9changeur occasionnait des congestions trop r\u00e9guli\u00e8res sur la partie nord. Dans le cadre d\u2019une \u00e9tude globale d\u2019am\u00e9nagement men\u00e9e en partenariat avec les collectivit\u00e9s locales, l\u2019\u00c9tat a confi\u00e9 \u00e0 VINCI Autoroutes, ma\u00eetre d\u2019ouvrage de l\u2019autoroute A11, la r\u00e9alisation d\u2019\u00e9tudes de faisabilit\u00e9. Les travaux d\u2019am\u00e9nagement de la Porte de Gesvres d\u00e9marre en janvier 2021. Des travaux de protection des talus le long de l’Autoroute \u00e9taient n\u00e9cessaires.<\/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 soci\u00e9t\u00e9 Spie Batignolles qui a r\u00e9alis\u00e9 le chantier, a sollicit\u00e9 France Maccaferri qui a apport\u00e9 son support technique en r\u00e9ponse aux exigences du projet tels que les dimensionnements, notes de calculs et note technique.Cela a permit de fournir les produits les mieux adapt\u00e9s \u00e0 la probl\u00e9matique du site et la r\u00e9alisation de plusieurs talus clou\u00e9s et v\u00e9g\u00e9talis\u00e9s. Deux types de g\u00e9omatelas tridimensionnels, fabriqu\u00e9s dans les usines de Maccaferri, ont \u00e9t\u00e9 s\u00e9lectionn\u00e9s pour les diff\u00e9rents talus : le Macmat HS et le Macmat R-acier. Le Macmat HS est un composite sp\u00e9cialement destin\u00e9 \u00e0 la protection de talus meubles ou rocheux. Il associe en usine un filet \u00e0 haute r\u00e9sistance Steelgrid (grillage double torsion renforc\u00e9 par des c\u00e2bles m\u00e9talliques ins\u00e9r\u00e9s longitudinalement dans le grillage \u00e0 des espacements variables) \u00e0 un g\u00e9omatelas Macmat en polypropyl\u00e8ne. Le Macmat HS pr\u00e9sente une r\u00e9sistance \u00e9lev\u00e9e \u00e0 la traction, tout en assurant une protection locale contre l\u2019\u00e9rosion superficielle en facilitant la repousse de la v\u00e9g\u00e9tation. 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. Les deux g\u00e9omatelas ont \u00e9t\u00e9 fabriqu\u00e9s avec un RAL sp\u00e9cifique beige afin de s’int\u00e9grer au mieux dans l’environnement.<\/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>
\"MacMat<\/div>
MacMat HS<\/h6>MacMat HS est la nouvelle g\u00e9n\u00e9ration de g\u00e9omatelas \u00e0 haute performance, combinant un g\u00e9omat polym\u00e8re \u00e0 matrice tridimensionnelle renforc\u00e9 par le syst\u00e8<\/span>Voir\n \n <\/a>
star<\/span><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"

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