{"id":24124,"date":"2023-05-31T10:18:14","date_gmt":"2023-05-31T08:18:14","guid":{"rendered":"https:\/\/maccaferri-stage.softecspa.it\/fr\/exemples-de-r\u00e9ussites\/protection-des-berges-du-bief-de-niffer-2019-2021\/"},"modified":"2024-01-26T12:05:58","modified_gmt":"2024-01-26T11:05:58","slug":"protection-des-berges-du-bief-de-niffer-2019-2021","status":"publish","type":"stories","link":"https:\/\/maccaferri-stage.softecspa.it\/fr\/exemples-de-r\u00e9ussites\/protection-des-berges-du-bief-de-niffer-2019-2021\/","title":{"rendered":"PROTECTION DES BERGES DU BIEF DE NIFFER : 2019-2021"},"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 sud du canal navigable du Rh\u00f4ne au Rhin fait 240km de long, et s\u2019ach\u00e8ve par l\u2019embranchement du Niffer, sur la commune de Mulhouse (68). Afin de r\u00e9aliser une protection superficielle anti-batillage des berges du bief de Niffer, les VNF ont financ\u00e9 trois tranches de travaux depuis 2016, la derni\u00e8re concerne la tranche sur 2019-2021. Les travaux concernaient la reprise des berges initialement prot\u00e9g\u00e9es par des enrochements et de l\u2019enrob\u00e9 (travaux r\u00e9alis\u00e9s en 1995) sur un lin\u00e9aire de 250 m de long et un rampant de 7m.<\/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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Apr\u00e8s des ann\u00e9es de stress hydraulique qui a entra\u00een\u00e9 la d\u00e9t\u00e9rioration du canal Niffer, les VNF se sont tourn\u00e9s vers Maccaferri dans le cadre de son plan triennal de protection des berges du canal. La solution choisie s\u2019est port\u00e9e sur l\u2019association de Matelas Reno et d\u2019un g\u00e9omatelas tridimensionnel MacMat renforc\u00e9 par du grillage double torsion, issues de la gamme de solutions d\u2019am\u00e9nagement de canaux offrant solidit\u00e9, durabilit\u00e9 et flexibilit\u00e9 pour r\u00e9pondre aux besoins du projet. Les Matelas Reno ont \u00e9t\u00e9 utilis\u00e9s sur toute la profondeur du canal – les 3 m\u00e8tres inf\u00e9rieurs de la protection sont assur\u00e9s par des matelas Reno pr\u00e9-remplis sur berge (\u00e9quip\u00e9s en sous-face d\u2019un g\u00e9otextile de filtration MacTex et d\u2019un grillage anti-fouisseur), et les 4 m\u00e8tres sup\u00e9rieurs de la protection ont \u00e9t\u00e9 r\u00e9alis\u00e9s par des matelas Reno remplis in-situ, referm\u00e9s \u00e0 l\u2019aide d\u2019une g\u00e9ogrille tridimensionnelle accroche terre MacMat, renforc\u00e9e d\u2019un grillage double torsion. 2 techniques ont \u00e9t\u00e9 utilis\u00e9es en fonction de l\u2019emprise disponible : soit un gabion de section 1×1 ancr\u00e9 en t\u00eate (faible emprise) ou soit un grillage double torsion agraf\u00e9 sous les matelas et ancr\u00e9 dans une tranch\u00e9e d\u2019ancrage. Maccaferri a r\u00e9alis\u00e9 le dimensionnement, l\u2019approvisionnement des produits et leur mise en oeuvre conform\u00e9ment \u00e0 la norme NFP 94 325-2 (mise en oeuvre) et la NF EN 10 223-3 (produits double torsion).<\/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>
\"Matelas<\/div>
Matelas Reno Plus<\/h6>Les protections traditionnelles des berges des rivi\u00e8res r\u00e9alis\u00e9es \u00e0 l\u2019aide de pierres en vrac (enrochement) n\u00e9cessitent une couche \u00e9paisse de mat\u00e9r<\/span>Voir\n \n <\/a>
star<\/span><\/div><\/div><\/div><\/div><\/div>
\"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":"

Apr\u00e8s des ann\u00e9es de stress hydraulique qui a entra\u00een\u00e9 la d\u00e9t\u00e9rioration du canal Niffer, les VNF se sont tourn\u00e9s vers Maccaferri dans le cadre d<\/p>\n","protected":false},"featured_media":9445,"parent":0,"menu_order":0,"template":"","stories-category":[],"stories-tag":[],"class_list":["post-24124","stories","type-stories","status-publish","has-post-thumbnail","hentry"],"acf":{"products":null,"applications":null,"solutions":null,"sectors":null},"yoast_head":"\nPROTECTION DES BERGES DU BIEF DE NIFFER : 2019-2021 - 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-des-berges-du-bief-de-niffer-2019-2021\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"PROTECTION DES BERGES DU BIEF DE NIFFER : 2019-2021 - 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