{"id":110221,"date":"2025-10-29T07:54:57","date_gmt":"2025-10-29T06:54:57","guid":{"rendered":"https:\/\/www.maccaferri.com\/fr\/success-stories\/deviation-st-beat-arlos-31\/"},"modified":"2026-02-16T15:36:46","modified_gmt":"2026-02-16T14:36:46","slug":"deviation-st-beat-arlos-31","status":"publish","type":"stories","link":"https:\/\/www.maccaferri.com\/fr\/exemples-de-r\u00e9ussites\/deviation-st-beat-arlos-31\/","title":{"rendered":"D\u00e9viation St B\u00e9at, Arlos, 31"},"content":{"rendered":"
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    \"\"<\/div>\n <\/div>\n <\/div>\n
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    MacRes en cours de pose avec vue des MacLoop et ParaWeb<\/p>\n \n <\/div>\n <\/div>\n <\/div>\n <\/div>\n

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    Ecailles b\u00e9ton MacRes<\/p>\n \n <\/div>\n <\/div>\n <\/div>\n <\/div>\n

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    Parement MacRes en cours de pose<\/p>\n \n <\/div>\n <\/div>\n <\/div>\n <\/div>\n

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    Ecailles du parement MacRes en cours de pose<\/p>\n \n <\/div>\n <\/div>\n <\/div>\n <\/div>\n

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    Parement b\u00e9ton effet bois<\/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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    Vue d'ensemble du chantier \u00a9Eiffage<\/p>\n \n <\/div>\n <\/div>\n <\/div>\n <\/div>\n

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    \u00a0Profil en travers du chantier<\/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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    La d\u00e9viation de Saint B\u00e9at – Arlos s’inscrit dans le cadre de l’am\u00e9nagement global de l’itin\u00e9raire de la RN125 entre Toulouse et la fronti\u00e8re espagnole, favorisant la fluidit\u00e9 du trafic et la s\u00e9curit\u00e9 des usagers et des riverains. Le tron\u00e7on Nord Lez, d’une longueur de 2,6km a \u00e9t\u00e9 mis en service en mai 2018, avec notamment un tunnel de 1km de longueur. En 2017, la poursuite de la d\u00e9viation a \u00e9t\u00e9 act\u00e9e avec un tron\u00e7on Sud Lez de 3,4km traversant le pied du massif bois\u00e9 d’Argut-Dessous dans un contexte g\u00e9otechnique complexe. Ce tron\u00e7on n\u00e9cessite la mise en place d’un pont et de 3 murs de sout\u00e8nements. Ces murs sont situ\u00e9s sur versant en profils de d\u00e9blais\/remblais. La maitrise d’\u0153uvre s’est tourn\u00e9e vers une solution en remblai renforc\u00e9 \u00e0 parement b\u00e9ton pour soutenir la chauss\u00e9e c\u00f4t\u00e9 aval.<\/p>\n

    Les murs de sout\u00e8nements en sol renforc\u00e9 \u00e0 parement b\u00e9ton MS1 et MS2 soutiennent les rampes d’acc\u00e8s \u00e0 l’ouvrage d’art sur des hauteurs importantes (maximum 17m) et des lin\u00e9aires importants (respectivement 120m et 115m). Les ouvrages sont fond\u00e9s sur le rocher et le mat\u00e9riau de remblai structurel est issu des d\u00e9blais du site. <\/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’accompagnement de Maccaferri dans l’\u00e9tude, la fourniture et la mise en \u0153uvre du syst\u00e8me. Il consiste en l’association de panneaux en b\u00e9ton de section 1m50x1m50 de 14cm d’\u00e9paisseur reli\u00e9s \u00e0 des bandes de renforcement ParaWeb par le biais de connexions Paraloop coul\u00e9es dans le b\u00e9ton. Le ParaWeb est une g\u00e9obande constitu\u00e9e de fibres de Polyester (PET) extr\u00eamement r\u00e9sistantes \u00e0 la traction et prot\u00e9g\u00e9es par une gaine en Poly\u00e9thyl\u00e8ne Basse Densit\u00e9 (PEBD) particuli\u00e8rement robuste face \u00e0 l’endommagement lors de la mise en \u0153uvre et \u00e0 la d\u00e9gradation chimique. Cette technique de sout\u00e8nement est particuli\u00e8rement adapt\u00e9e pour la r\u00e9alisation de mur dans des zones de remblai pour des hauteurs importantes. Elle associe des \u00e9l\u00e9ments de renforcement synth\u00e9tiques \u00e0 forte r\u00e9sistance \u00e0 la traction \u00e0 un remblai structurel s\u00e9lectionn\u00e9 ayant un espacement vertical et horizontal r\u00e9guliers.<\/p>\n

    Dans le cadre du chantier, pr\u00e8s de 3000m\u00b2 de surface de mur et 130,000ml de Paraweb ont \u00e9t\u00e9 mis en \u0153uvre.<\/p>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>

    Used Products<\/h2>
    \"MACRES\"<\/div>
    MACRES<\/h6>Maccaferri offre une assistance technique d\u00e9di\u00e9e \u00e0 chaque \u00e9tape de votre projet. De la consultation initiale et de la conception personnalis\u00e9e \u00e0 l’in<\/span>Voir\n \n <\/a>
    star<\/span><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"

    l'accompagnement de Maccaferri dans l'\u00e9tude, la fourniture et la mise en \u0153uvre du syst\u00e8me. Il consiste en l'association de panneaux en <\/p>\n","protected":false},"featured_media":97863,"parent":0,"menu_order":0,"template":"","stories-category":[],"stories-tag":[],"class_list":["post-110221","stories","type-stories","status-publish","has-post-thumbnail","hentry"],"acf":{"products":[113561],"applications":[103493,103493],"solutions":[103664],"sectors":[103460]},"yoast_head":"\nD\u00e9viation St B\u00e9at, Arlos, 31 - Maccaferri France<\/title>\n<meta name=\"description\" content=\"D\u00e9couvrez nos r\u00e9ussites : D\u00e9viation St B\u00e9at, Arlos, 31. 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