{"id":110524,"date":"2025-10-29T07:58:56","date_gmt":"2025-10-29T06:58:56","guid":{"rendered":"https:\/\/www.maccaferri.com\/fr\/success-stories\/digue-deversante-de-lauris-tranche-3-lauris-84\/"},"modified":"2026-02-16T15:42:00","modified_gmt":"2026-02-16T14:42:00","slug":"digue-deversante-de-lauris-tranche-3-lauris-84","status":"publish","type":"stories","link":"https:\/\/www.maccaferri.com\/fr\/exemples-de-r\u00e9ussites\/digue-deversante-de-lauris-tranche-3-lauris-84\/","title":{"rendered":"Digue d\u00e9versante de Lauris – Tranche 3 – Lauris, 84"},"content":{"rendered":"
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    \"\"<\/div>\n <\/div>\n <\/div>\n
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    Matelas Reno Plus et cage vide gabions<\/p>\n \n <\/div>\n <\/div>\n <\/div>\n <\/div>\n

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    Matelas Reno Plus recouverts de terre v\u00e9g\u00e9tale<\/p>\n \n <\/div>\n <\/div>\n <\/div>\n <\/div>\n

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    \"\"<\/div>\n <\/div>\n <\/div>\n
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    Matelas Reno Plus avec tirants verticaux- X-Ties<\/p>\n \n <\/div>\n <\/div>\n <\/div>\n <\/div>\n

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    Matelas Reno Plus d'\u00e9paisseur 30cm<\/p>\n \n <\/div>\n <\/div>\n <\/div>\n <\/div>\n

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    \"\"<\/div>\n <\/div>\n <\/div>\n
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    Coupe type – Profil en gradins de gabions<\/p>\n \n <\/div>\n <\/div>\n <\/div>\n <\/div>\n

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    \"\"<\/div>\n <\/div>\n <\/div>\n
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    Coupe type – D\u00e9versoir inclin\u00e9 en Matelas Reno Plus<\/p>\n \n <\/div>\n <\/div>\n <\/div>\n <\/div>\n

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    \"\"<\/div>\n <\/div>\n <\/div>\n
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    D\u00e9versoirs en matelas Reno Plus et gabions<\/p>\n \n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n\n <\/div>\n <\/div>

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    Challenge<\/h3>\n <\/div>\n <\/div>\n <\/div>\n <\/div> \n <\/div>\n
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    Dans le cadre du syst\u00e8me d’endiguement de la Durance sur la commune de Lauris (84), plusieurs tranches de travaux ont \u00e9t\u00e9 initi\u00e9es. Tout d’abord , en aval, la digue de la Roque Hauturi\u00e8re r\u00e9alis\u00e9e en urgence suite \u00e0 la crue de 1994, puis les tranches 1 (2008\/2009) et 2 (2014) de la digue de Lauris. Le chantier concerne la tranche 3 des travaux qui consiste en la fermeture \u00e0 l’amont de la digue de Lauris. Cette tranche concerne un lin\u00e9aire total de digue de 970ml, divis\u00e9e en 6 tron\u00e7ons. Parmi ces 6 tron\u00e7ons, 4 sont d\u00e9versant pour un lin\u00e9aire de 509ml.<\/p>\n

    La digue prot\u00e8ge contre un d\u00e9versement jusqu’\u00e0 la crue de 4000m3\/s et les d\u00e9versoirs de la tranche 3 ont \u00e9t\u00e9 dimensionn\u00e9s pour r\u00e9sister \u00e0 la crue de projet \u00e0 6500m3\/s, permettant d’\u00e9cr\u00eater un d\u00e9bit de 500m3\/s. L’\u00e9tude hydraulique a mis en \u00e9vidence une hauteur d’eau au dessus de la cr\u00eate d\u00e9versante de 86cm maximum (soit 1,35m3\/s\/m de d\u00e9bit d\u00e9versant).<\/p>\n

    La hauteur de d\u00e9versement est de l’ordre de 2m de hauteur.<\/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 maitrise d’\u0153uvre s’est tourn\u00e9e vers une solution en gabions pour prot\u00e9ger de l’\u00e9rosion le parement aval de la digue d\u00e9versante.<\/p>\n

    Selon l’emprise disponible, le d\u00e9versoir a \u00e9t\u00e9 con\u00e7u en gradins de gabions avec une pente moyenne de 45\u00b0 (tron\u00e7on 2) ou en parement inclin\u00e9 \u00e0 4H:1V avec des matelas Reno Plus d’\u00e9paisseur 30cm (T1, T3 et T3bis). Cette solution a \u00e9t\u00e9 retenue pour son efficacit\u00e9 technique, sa pertinence \u00e9conomique et son int\u00e9gration dans l’environnement. Sur un plan technique, seule la technologie matelas Reno Plus de 30cm pouvait r\u00e9pondre aux contraintes de cisaillement calcul\u00e9es \u00e0 505N\/m\u00b2. Il s’agit d’un matelas gabion \u00e0 double diaphragme obtenu par pliage de la nappe de fond et \u00e9quip\u00e9 de tirants verticaux X-ties reliant la base au couvercle \u00e0 raison de 1u\/m\u00b2. Cette structure, test\u00e9e \u00e0 l’universit\u00e9 d’Etat du Colorado \u00e0 Fort Collins (USA), pr\u00e9sente des performances hydrauliques plus de 50% sup\u00e9rieures \u00e0 des matelas gabions \u00e0 simple diaphragmes.Les gabions et matelas Reno Plus ont \u00e9t\u00e9 mis en \u0153uvre entre novembre 2023 et mars 2024 par les \u00e9quipes sp\u00e9cialis\u00e9es de Maccaferri, certifi\u00e9es ASQUAL pour la R\u00e9alisation d’Ouvrages en Gabions.<\/p>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>

    Used Products<\/h2>
    \"Gabions\"<\/div>
    Gabions<\/h6>Un large portefeuille de solutions Maccaferri propose une gamme \u00e9tendue de solutions sur mesure pour r\u00e9pondre \u00e0 chaque besoin sp\u00e9cifique. Le<\/span>Voir\n \n <\/a>
    star<\/span><\/div><\/div><\/div><\/div><\/div>
    \"Matelas<\/div>
    Matelas Reno Plus<\/h6>RenoMac PlusS’appuyant sur le succ\u00e8s du Matelas Reno Plus, le RenoMac Plus offre les m\u00eames avantages en termes de durabilit\u00e9 et de performan<\/span>Voir\n \n <\/a>
    star<\/span><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"

    La maitrise d'\u0153uvre s'est tourn\u00e9e vers une solution en gabions pour prot\u00e9ger de l'\u00e9rosion le parement aval de la digue d\u00e9versante.Sel<\/p>\n","protected":false},"featured_media":81527,"parent":0,"menu_order":0,"template":"","stories-category":[],"stories-tag":[],"class_list":["post-110524","stories","type-stories","status-publish","has-post-thumbnail","hentry"],"acf":{"products":[113687,113624],"applications":[103496,103496],"solutions":[103613],"sectors":[103460]},"yoast_head":"\nDigue d\u00e9versante de Lauris - Tranche 3 - Lauris, 84 - Maccaferri France<\/title>\n<meta name=\"description\" content=\"D\u00e9couvrez nos r\u00e9ussites : Digue d\u00e9versante de Lauris - Tranche 3 - Lauris, 84. 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