{"id":24013,"date":"2023-05-31T10:17:53","date_gmt":"2023-05-31T08:17:53","guid":{"rendered":"https:\/\/maccaferri-stage.softecspa.it\/fr\/exemples-de-r\u00e9ussites\/r375-contournement-nord-de-valenciennes-tremie-jean-jaures\/"},"modified":"2024-01-26T12:06:21","modified_gmt":"2024-01-26T11:06:21","slug":"r375-contournement-nord-de-valenciennes-tremie-jean-jaures","status":"publish","type":"stories","link":"https:\/\/maccaferri-stage.softecspa.it\/fr\/exemples-de-r\u00e9ussites\/r375-contournement-nord-de-valenciennes-tremie-jean-jaures\/","title":{"rendered":"R375-CONTOURNEMENT NORD DE VALENCIENNES – TR\u00c9MIE JEAN-JAUR\u00c8S"},"content":{"rendered":"
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Probl\u00e8me<\/h3>\n <\/div>\n <\/div>\n <\/div>\n <\/div> \n <\/div>\n
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Si le r\u00e9seau routier de contournement est relativement d\u00e9velopp\u00e9 autour de Valenciennes (A23 \u00e0 l\u2019ouest, A2 au sud, RD 75 \u00e0 l\u2019est et au nord-est), il ne permettait pas un contournement efficace de l\u2019agglom\u00e9ration par le nord. Dans ce contexte, le projet de contournement nord de Valenciennes r\u00e9pond \u00e0 plusieurs objectifs, dont la restructuration du r\u00e9seau routier d\u00e9partemental dans la partie nord de l’agglom\u00e9ration. Les travaux d\u00e9crits dans cet \u00e9tude de cas consistent en la r\u00e9alisation des infrastructures permettant le franchissement de la rue Jean Jaur\u00e8s \u00e0 Bruay-sur-Escaut, o\u00f9 circule notamment la ligne de tramway T2.<\/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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L\u2019am\u00e9nagement consiste en la r\u00e9alisation d\u2019un ouvrage du c\u00f4t\u00e9 nord de la tr\u00e9mie. Le mur est dispos\u00e9 en terrasses et pr\u00e9sente une hauteur variable entre 1.58 et 6.32m suivant les profils. Cet ouvrage a \u00e9t\u00e9 r\u00e9alis\u00e9 en remblai renforc\u00e9 de type Terramesh\u00ae min\u00e9ral, avec un parement min\u00e9ral inclin\u00e9 de 10\u00b0 par rapport \u00e0 la verticale, ayant une \u00e9paisseur de 0.3m en t\u00eate et de 0.5m d\u2019\u00e9paisseur moyenne. Le parement se prolonge par une nappe de grillage m\u00e9tallique en arri\u00e8re de 2.5m de longueur. Dans les terrasses, l\u2019interaction entre les fosses darbre et les nappes de grillage a n\u00e9cessit\u00e9 une adaptation du syst\u00e8me. Nous avons donc propos\u00e9 la d\u00e9coupe des grillages constitutifs du Terramesh\u00ae min\u00e9ral autour de ces structures. La partie haute du mur b\u00e9ton \u00e0 l\u2019arri\u00e8re du remblai renforc\u00e9, servant de garde-corps \u00e0 la voirie derri\u00e8re la tr\u00e9mie, a \u00e9t\u00e9 habill\u00e9e \u00e0 l\u2019aide de gabions \u00e9l\u00e9ctrosoud\u00e9s d\u2019\u00e9paisseur 0.3m. Le Terramesh\u00ae Min\u00e9ral est un produit d\u00e9velopp\u00e9 par Maccaferri associant un grillage double torsion et un panneau \u00e9lectrosoud\u00e9 de fa\u00e7ade. Le grillage double torsion, rev\u00eatu de Zinc\/Aluminium et d\u2019une gaine polym\u00e8re (pour une meilleure durabilit\u00e9), assure le renfort horizontal dans le remblai et effectue un retour au parement pour assurer la stabilit\u00e9 locale du massif. Le treillis soud\u00e9, de maille 50×100, fil 5mm est rev\u00eatu d\u2019un alliage Zinc\/Aluminium et est agraf\u00e9 au grillage en face externe. Il assure une continuit\u00e9 esth\u00e9tique avec les gabions \u00e9l\u00e9ctrosoud\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><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"

L\u2019am\u00e9nagement consiste en la r\u00e9alisation d\u2019un ouvrage du c\u00f4t\u00e9 nord de la tr\u00e9mie. Le mur est dispos\u00e9 en terrasses et pr\u00e9sente une hauteur va<\/p>\n","protected":false},"featured_media":9445,"parent":0,"menu_order":0,"template":"","stories-category":[],"stories-tag":[],"class_list":["post-24013","stories","type-stories","status-publish","has-post-thumbnail","hentry"],"acf":{"products":null,"applications":null,"solutions":null,"sectors":null},"yoast_head":"\nR375-CONTOURNEMENT NORD DE VALENCIENNES - TR\u00c9MIE JEAN-JAUR\u00c8S - 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\/r375-contournement-nord-de-valenciennes-tremie-jean-jaures\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"R375-CONTOURNEMENT NORD DE VALENCIENNES - TR\u00c9MIE JEAN-JAUR\u00c8S - Maccaferri France\" \/>\n<meta property=\"og:description\" content=\"L\u2019am\u00e9nagement consiste en la r\u00e9alisation d\u2019un ouvrage du c\u00f4t\u00e9 nord de la tr\u00e9mie. 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