{"id":53505,"date":"2023-07-28T15:34:05","date_gmt":"2023-07-28T13:34:05","guid":{"rendered":"https:\/\/www.maccaferri.com\/fr\/?p=53505"},"modified":"2024-12-16T17:46:33","modified_gmt":"2024-12-16T16:46:33","slug":"protection-des-berges-du-bief-de-niffer-canal-du-rhone-au-rhin","status":"publish","type":"post","link":"https:\/\/www.maccaferri.com\/fr\/news\/protection-des-berges-du-bief-de-niffer-canal-du-rhone-au-rhin\/","title":{"rendered":"Protection des berges du Bief de Niffer – Canal du Rh\u00f4ne au Rhin"},"content":{"rendered":"

07\/2023<\/p><\/div><\/div><\/div>

Acc\u00e9der \u00e0 la fiche chantier<\/a><\/div><\/div><\/div><\/div><\/div>
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Le bief de Niffer correspond \u00e0 la jonction en partie Nord du canal du Rh\u00f4ne au Rhin avec le grand canal d\u2019Alsace. Cette section s\u2019\u00e9tend entre les villes de Mulhouse <\/strong>et de Niffer<\/strong> sur environ 16 km<\/strong>. Elle correspond \u00e0 un tron\u00e7on qui permet la navigation \u00e0 grand gabarit qui relie Mulhouse aux ports maritimes de Rotterdam et d\u2019Anvers.<\/p>\n\n

Le canal du Rh\u00f4ne au Rhin est g\u00e9r\u00e9 par les Voies Navigables de France (VNF). Lors des travaux de 1995 avec la mise \u00e0 grand gabarit de la section Mulhouse – Niffer, les berges du canal ont \u00e9t\u00e9 prot\u00e9g\u00e9es par des enrob\u00e9s ou des enrochements. Les actions conjugu\u00e9es du cycle gel – d\u00e9gel<\/strong> et du batillage ont provoqu\u00e9 au fil des ann\u00e9es une d\u00e9t\u00e9rioration des protections de<\/strong> ces berges<\/strong>. Suite \u00e0 ce diagnostic, les VNF ont lanc\u00e9 en 2016 un programme de confortement des secteurs o\u00f9 une reprise s\u2019av\u00e9rait n\u00e9cessaire.<\/p><\/div><\/div><\/div>

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Un dimensionnement sp\u00e9cifique avec les Matelas Reno\u00ae<\/em><\/p><\/div><\/div><\/div>

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Le cahier des charges des VNF indiquait que la protection devait r\u00e9sister aux sollicitations hydrauliques induites par des vagues de 1,4 m de hauteur. Les campagnes de tests qui ont \u00e9t\u00e9 r\u00e9alis\u00e9es par Maccaferri sur les Matelas Reno \u00ae ont permis de caract\u00e9riser les performances hydrauliques de ses structures. Dans la continuit\u00e9 des premiers essais r\u00e9alis\u00e9s en 1984, Maccaferri a financ\u00e9 en 2019 -2020 une nouvelle campagne d\u2019essais \u00e0 grandeur r\u00e9elle<\/strong> \u00e0 l\u2019Universit\u00e9 de l\u2019\u00c9tat du Colorado (CSU) \u00e0 Fort Collins (\u00c9tats-Unis). Outre ces essais exp\u00e9rimentaux, le dimensionnement des Matelas Reno\u00ae<\/strong> s\u2019appuie \u00e9galement sur le guide PIANC<\/strong> (Association Internationale Permanente des Congr\u00e8s de Navigation).<\/p>\n\n

Afin d\u2019assurer la durabilit\u00e9 de la protection, les fils d\u2019acier des Matelas Reno \u00ae sont rev\u00eatus de polym\u00e8re extrud\u00e9 autour du fil d\u2019acier pour isoler ce dernier des effets de la corrosion.<\/p><\/div><\/div><\/div>

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V\u00e9g\u00e9talisation de la solution pour la partie non soumise au batillage<\/em><\/p><\/div><\/div><\/div>

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Maccaferri a propos\u00e9 d\u2019utiliser pour le couvercle des Matelas Reno \u00ae sup\u00e9rieurs (hors d\u2019eau) un g\u00e9omatelas tridimensionnel<\/strong>, le MacMat \u00ae R-Acier dont le renfort en grillage double torsion est \u00e9galement identique \u00e0 celui du Matelas Reno\u00ae.<\/p><\/div><\/div><\/div>

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La solution de Maccaferri pr\u00e9sentait quatre avantages principaux : une mise en \u0153uvre en partie immerg\u00e9e<\/strong>, une adaptation<\/strong> aux contraintes locales d\u2019emprise, la possibilit\u00e9 d\u2019une rev\u00e9g\u00e9talisation rapide<\/strong> des berges et un bilan carbone optimal<\/strong>.<\/p><\/div><\/div><\/div>

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Extrait de l\u2019article \u00ab Protection des berges du Bief de Niffer (68) \u00bb dans TRAVAUX n\u00b0979 par France Maccaferri (juillet\/ao\u00fbt 2022)<\/p><\/div><\/div><\/div>

Lire l’article de presse en lien avec ce projet<\/a><\/div><\/div>
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    D\u00e9couvrez notre \u00e9pisode du Podcast Immersion Chantier, sur le Bief de Niffer <\/strong><\/p>\n\n

    \u2b07<\/strong><\/p><\/div><\/div><\/div>

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    D\u00e9couvrez la visite virtuelle, comme si vous y \u00e9tiez<\/strong><\/p>\n\n

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    Visite virtuelle<\/a><\/div><\/div>
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    <\/div>","protected":false},"excerpt":{"rendered":"

    Depuis 2016, au bief de Niffer en Alsace, un vaste programme de protection des berges a \u00e9t\u00e9 r\u00e9alis\u00e9. Pour cause de d\u00e9t\u00e9riorations des rev\u00eatements existants et pour prot\u00e9ger les berges contre le batillage, les matelas Reno\u00ae de Maccaferri ont \u00e9t\u00e9 mis en \u0153uvre combin\u00e9s avec des g\u00e9omatelas tridimensionnels MacMat \u00ae R-Acier renforc\u00e9s par du grillage double torsion pour la partie hors d\u2019eau de la berge.<\/p>\n","protected":false},"author":7096,"featured_media":53628,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_joinchat":[],"footnotes":""},"categories":[13,1],"tags":[289,87,288,58,286],"class_list":["post-53505","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-articoli","category-news","tag-batillage","tag-erosion","tag-macmat-r-acier","tag-matelas-reno","tag-protection-de-berges"],"acf":[],"yoast_head":"\nProtection des berges du Bief de Niffer - Canal du Rh\u00f4ne au Rhin - Maccaferri France<\/title>\n<meta name=\"description\" content=\"Maccaferri a propos\u00e9 d\u2019utiliser pour le couvercle des Matelas Reno\u00ae sup\u00e9rieurs (hors d\u2019eau) un g\u00e9omatelas tridimensionnel, le MacMat \u00ae R-Acier dont le renfort en grillage double torsion est \u00e9galement identique \u00e0 celui du Matelas Reno\u00ae.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.maccaferri.com\/fr\/news\/protection-des-berges-du-bief-de-niffer-canal-du-rhone-au-rhin\/\" \/>\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 - 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