{"id":114748,"date":"2025-12-11T16:41:14","date_gmt":"2025-12-11T15:41:14","guid":{"rendered":"https:\/\/www.maccaferri.com\/fr\/success-stories\/confortement-de-la-rd9-rampe-des-means\/"},"modified":"2026-02-16T15:38:02","modified_gmt":"2026-02-16T14:38:02","slug":"confortement-de-la-rd9-rampe-des-means","status":"publish","type":"stories","link":"https:\/\/www.maccaferri.com\/fr\/exemples-de-r\u00e9ussites\/confortement-de-la-rd9-rampe-des-means\/","title":{"rendered":"Confortement de la RD9 &#8211; Rampe des M\u00e9ans"},"content":{"rendered":"<div class=\"container-fluid carousel-image-gallery\">\n        <div class=\"row\">\n            <div id=\"carouselImageblock_63ae097fdffd7\" class=\"carousel slide carouselImageGallery\" data-bs-ride=\"carousel\">\n                <!-- \/\/ Indicators -->\n                <ol class=\"carousel-indicators\">\n                                            <li data-bs-target=\"#carouselImageblock_63ae097fdffd7\" data-bs-slide-to=\"0\" class=\"active\" aria-current=\"true\" aria-label=\"Slide\"><\/li>\n                                            <li data-bs-target=\"#carouselImageblock_63ae097fdffd7\" data-bs-slide-to=\"1\" class=\"\" aria-current=\"true\" aria-label=\"Slide\"><\/li>\n                                            <li data-bs-target=\"#carouselImageblock_63ae097fdffd7\" data-bs-slide-to=\"2\" class=\"\" aria-current=\"true\" aria-label=\"Slide\"><\/li>\n                                            <li data-bs-target=\"#carouselImageblock_63ae097fdffd7\" data-bs-slide-to=\"3\" class=\"\" aria-current=\"true\" aria-label=\"Slide\"><\/li>\n                                            <li data-bs-target=\"#carouselImageblock_63ae097fdffd7\" data-bs-slide-to=\"4\" class=\"\" aria-current=\"true\" aria-label=\"Slide\"><\/li>\n                                            <li data-bs-target=\"#carouselImageblock_63ae097fdffd7\" data-bs-slide-to=\"5\" class=\"\" aria-current=\"true\" aria-label=\"Slide\"><\/li>\n                                            <li data-bs-target=\"#carouselImageblock_63ae097fdffd7\" data-bs-slide-to=\"6\" class=\"\" aria-current=\"true\" aria-label=\"Slide\"><\/li>\n                                    <\/ol>\n\n                <div class=\"carousel-inner container\" role=\"listbox\">\n                                            <div class=\"carousel-item active\">\n                        <div class=\"col-12 col-lg-4 col-xl-4 col-xxl-4 space-mobile\">\n                            <div class=\"grid-item-wrapper\">\n                                <div class=\"img-responsive-wrapper\">\n                                    <div class=\"img-responsive\">\n                                        <div class=\"img-wrapper\"><img decoding=\"async\" src=\"https:\/\/www.maccaferri.com\/fr\/wp-content\/uploads\/2025\/12\/Les-Means-_-avant-les-travaux-scaled.jpg\" alt=\"\" \/><\/div>\n                                    <\/div>\n                                <\/div>\n                                <div class=\"griditem-text-wrapper text-center\">\n                                    <p class=\"griditem-text text-center\">Vue du chantier avec affaissements et fissuration de la chauss\u00e9e<\/p>\n                   \n                                <\/div>\n                            <\/div>\n                        <\/div>\n                        <\/div>\n                                            <div class=\"carousel-item \">\n                        <div class=\"col-12 col-lg-4 col-xl-4 col-xxl-4 space-mobile\">\n                            <div class=\"grid-item-wrapper\">\n                                <div class=\"img-responsive-wrapper\">\n                                    <div class=\"img-responsive\">\n                                        <div class=\"img-wrapper\"><img decoding=\"async\" src=\"https:\/\/www.maccaferri.com\/fr\/wp-content\/uploads\/2025\/12\/Les-Means-pendant-travaux-scaled.jpg\" alt=\"\" \/><\/div>\n                                    <\/div>\n                                <\/div>\n                                <div class=\"griditem-text-wrapper text-center\">\n                                    <p class=\"griditem-text text-center\">Vue du module TerraMesh\u00ae Vert<\/p>\n                   \n                                <\/div>\n                            <\/div>\n                        <\/div>\n                        <\/div>\n                                            <div class=\"carousel-item \">\n                        <div class=\"col-12 col-lg-4 col-xl-4 col-xxl-4 space-mobile\">\n                            <div class=\"grid-item-wrapper\">\n                                <div class=\"img-responsive-wrapper\">\n                                    <div class=\"img-responsive\">\n                                        <div class=\"img-wrapper\"><img decoding=\"async\" src=\"https:\/\/www.maccaferri.com\/fr\/wp-content\/uploads\/2025\/12\/Les-Means-pendant-travaux-2-scaled.jpg\" alt=\"\" \/><\/div>\n                                    <\/div>\n                                <\/div>\n                                <div class=\"griditem-text-wrapper text-center\">\n                                    <p class=\"griditem-text text-center\">Mise en place de la solution avec g\u00e9ocomposite de drainage MacDrain \u00e0 l&#039;arri\u00e8re<\/p>\n                   \n                                <\/div>\n                            <\/div>\n                        <\/div>\n                        <\/div>\n                                            <div class=\"carousel-item \">\n                        <div class=\"col-12 col-lg-4 col-xl-4 col-xxl-4 space-mobile\">\n                            <div class=\"grid-item-wrapper\">\n                                <div class=\"img-responsive-wrapper\">\n                                    <div class=\"img-responsive\">\n                                        <div class=\"img-wrapper\"><img decoding=\"async\" src=\"https:\/\/www.maccaferri.com\/fr\/wp-content\/uploads\/2025\/12\/Design-sans-titre-scaled.jpg\" alt=\"\" \/><\/div>\n                                    <\/div>\n                                <\/div>\n                                <div class=\"griditem-text-wrapper text-center\">\n                                    <p class=\"griditem-text text-center\">ParaGrid\u00ae 100 mise en place avant le remblai <\/p>\n                   \n                                <\/div>\n                            <\/div>\n                        <\/div>\n                        <\/div>\n                                            <div class=\"carousel-item \">\n                        <div class=\"col-12 col-lg-4 col-xl-4 col-xxl-4 space-mobile\">\n                            <div class=\"grid-item-wrapper\">\n                                <div class=\"img-responsive-wrapper\">\n                                    <div class=\"img-responsive\">\n                                        <div class=\"img-wrapper\"><img decoding=\"async\" src=\"https:\/\/www.maccaferri.com\/fr\/wp-content\/uploads\/2025\/12\/IMG_0264-scaled.jpg\" alt=\"\" \/><\/div>\n                                    <\/div>\n                                <\/div>\n                                <div class=\"griditem-text-wrapper text-center\">\n                                    <p class=\"griditem-text text-center\">Chantier en fin de r\u00e9alisation<\/p>\n                   \n                                <\/div>\n                            <\/div>\n                        <\/div>\n                        <\/div>\n                                            <div class=\"carousel-item \">\n                        <div class=\"col-12 col-lg-4 col-xl-4 col-xxl-4 space-mobile\">\n                            <div class=\"grid-item-wrapper\">\n                                <div class=\"img-responsive-wrapper\">\n                                    <div class=\"img-responsive\">\n                                        <div class=\"img-wrapper\"><img decoding=\"async\" src=\"https:\/\/www.maccaferri.com\/fr\/wp-content\/uploads\/2025\/12\/Les-Means-chantier-fini-scaled.jpg\" alt=\"\" \/><\/div>\n                                    <\/div>\n                                <\/div>\n                                <div class=\"griditem-text-wrapper text-center\">\n                                    <p class=\"griditem-text text-center\">Vue d&#039;ensemble du chantier termin\u00e9<\/p>\n                   \n                                <\/div>\n                            <\/div>\n                        <\/div>\n                        <\/div>\n                                            <div class=\"carousel-item \">\n                        <div class=\"col-12 col-lg-4 col-xl-4 col-xxl-4 space-mobile\">\n                            <div class=\"grid-item-wrapper\">\n                                <div class=\"img-responsive-wrapper\">\n                                    <div class=\"img-responsive\">\n                                        <div class=\"img-wrapper\"><img decoding=\"async\" src=\"https:\/\/www.maccaferri.com\/fr\/wp-content\/uploads\/2025\/12\/CT-Les-Means\" alt=\"\" \/><\/div>\n                                    <\/div>\n                                <\/div>\n                                <div class=\"griditem-text-wrapper text-center\">\n                                    <p class=\"griditem-text text-center\">Coupe type du chantier<\/p>\n                   \n                                <\/div>\n                            <\/div>\n                        <\/div>\n                        <\/div>\n                                    <\/div>\n            <\/div>\n\n        <\/div>\n    <\/div><div class=\"container-full text-bocolor-block-white\">\n        <div class=\"row\">\n        <div class=\"col-12\">\n            <div class=\"container box-container\">\n                <div class=\"row\">\n                    <div class=\"col-12\">\n                        <h3>Challenge<\/h3>\n                    <\/div>\n                <\/div>\n            <\/div>\n        <\/div>    \n    <\/div>\n        <div class=\"row\">\n        <div class=\"col-12\">\n            <div class=\"container box-container\">\n                <div class=\"row\">\n                    <div class=\"col-12 content\">\n                        <p>La RD9 est une route de montagne reliant Embrun \u00e0 la station de ski du R\u00e9allon. A l&#8217;aval du hameau des M\u00e9ans, la route traverse un versant instable constitu\u00e9 d&#8217;\u00e9boulis argilo-sableux identifi\u00e9s sur plus de 10m de profondeur. La moiti\u00e9 aval route est r\u00e9guli\u00e8rement touch\u00e9e par des affaissements et une fissuration de la demi chauss\u00e9e aval, souvent trait\u00e9s par des remblaiements successifs. Cette technique apporte satisfaction \u00e0 tr\u00e8s court terme mais doit \u00eatre renouvell\u00e9e r\u00e9guli\u00e8rement.  Les services techniques du conseil d\u00e9partemental des Hautes Alpes ont d\u00e9cid\u00e9 de traiter de fa\u00e7on plus p\u00e9renne le glissement pour limiter les tassements sur la chauss\u00e9e et r\u00e9duire les interventions. La solution retenue consiste \u00e0 r\u00e9aliser un sout\u00e8nement aval de chauss\u00e9e, avec l&#8217;insertion de g\u00e9ogrilles de renfort et de stabilisation, associ\u00e9e \u00e0 un syst\u00e8me de drainage plus efficient. <\/p>\n<p>Maccaferri a \u00e9t\u00e9 sollicit\u00e9e par le CD 05 pour apporter son expertise dans le dimensionnement des ouvrages en sols renforc\u00e9s et dans la d\u00e9finition des produits de stabilisation et de drainage.<\/p>\n<p>Apr\u00e8s une premi\u00e8re exp\u00e9rience r\u00e9ussie sur un 1er tron\u00e7on en 2024, le CD 05 a d\u00e9cid\u00e9 de traiter un second tron\u00e7on de la m\u00eame fa\u00e7on \u00e0 l&#8217;automne 2025.<\/p>\n                    <\/div>\n                <\/div>\n            <\/div>\n        <\/div>\n    <\/div>\n    <\/div>\n<div class=\"container-full text-bocolor-block-green\">\n        <div class=\"row\">\n        <div class=\"col-12\">\n            <div class=\"container box-container\">\n                <div class=\"row\">\n                    <div class=\"col-12\">\n                        <h3>Solution<\/h3>\n                    <\/div>\n                <\/div>\n            <\/div>\n        <\/div>    \n    <\/div>\n        <div class=\"row\">\n        <div class=\"col-12\">\n            <div class=\"container box-container\">\n                <div class=\"row\">\n                    <div class=\"col-12 content\">\n                        <p>La solution en remblai renforc\u00e9 \u00e0 parement v\u00e9g\u00e9talisable Terramesh\u00ae Vert a \u00e9t\u00e9 retenue pour son efficacit\u00e9 technique, sa rapidit\u00e9 et sa simplicit\u00e9 d&#8217;ex\u00e9cution. Le Terramesh\u00ae Vert est un module de sol renforc\u00e9 pr\u00e9assembl\u00e9 en usine, associant un grillage m\u00e9tallique double torsion dispos\u00e9 en C, un treillis soud\u00e9 positionn\u00e9 au parement et servant de coffrage perdu et un g\u00e9otextile tiss\u00e9 servant \u00e0 retenir la terre v\u00e9g\u00e9tale. Les modules font 3m de longueur et ont la nappe de renfort en grillage s&#8217;enfonce de 2m50 dans le remblai. Le parement est inclin\u00e9 de 20\u00b0 par rapport \u00e0 la verticale, les modules ont une hauteur de 76cm. En compl\u00e9ment des nappes de g\u00e9ogrilles de renfort de type Paragrid 100 ont \u00e9t\u00e9 mises en place \u00e0 la base de chaque module de Terramesh\u00ae Vert sur une longueur \u00e9gale \u00e0 la distance entre le profil d&#8217;excavation et le parement du Terramesh\u00ae vert.<\/p>\n<p>La couche de base de la chauss\u00e9e a \u00e9t\u00e9 renforc\u00e9e par une g\u00e9ogrille bidirectionnelle de stabilisation Macgrid EG30S destin\u00e9e \u00e0 pr\u00e9venir des tassements diff\u00e9rentiels sur la chauss\u00e9e. <\/p>\n<p>Afin de collecter les eaux d&#8217;infiltration, un g\u00e9ocomposite de drainage MacDrain W1051 a \u00e9t\u00e9 intall\u00e9 \u00e0 l&#8217;interface entre le terrain naturel excav\u00e9 et le remblai structurel (0\/80) et reli\u00e9 \u00e0 un drain collecteur \u00e0 la base arrri\u00e8re du massif. <\/p>\n<p>Une assistance technique \u00e0 la mise en place des modules Terramesh a \u00e9t\u00e9 r\u00e9alis\u00e9e pour le d\u00e9marrage du chantier afin de former les agents du CD05 .<\/p>\n                    <\/div>\n                <\/div>\n            <\/div>\n        <\/div>\n    <\/div>\n    <\/div><div class=\"wp-block-mac-container-block box-container\"><div class=\"container\"><h2>Used Products<\/h2><div class=\"row\"><div class=\"col-12 col-sm-12 col-md-12 col-lg-3 col-xl-3 col-xxl-3\"><div class=\"wp-block-mac-card-new-block block-latest-news-container\"><div class=\"card\"><div class=\"content-images\"><img decoding=\"async\" class=\"box-image\" src=\"https:\/\/www.maccaferri.com\/fr\/wp-content\/uploads\/2022\/12\/Terramesh_0-1.jpg\" alt=\"Terramesh\" title=\"Terramesh\" \/><\/div><div class=\"card-body\"><h6>Terramesh<\/h6><span class=\"abstract\">La famille Terramesh\u00ae de Maccaferri comprend diff\u00e9rentes options de parement pour la construction de structures en remblais renforc\u00e9s<\/span><a href=\"https:\/\/www.maccaferri.com\/fr\/produits\/terramesh\/\" class=\"cta\" rel=\"noopener\" title=\"Terramesh\">Voir\n                           <span class=\"text\" value=\"\" \/>\n                           <\/a><div data-post-id=\"113579\" class=\"star \" title=\"Add to wishlist\"><span class=\"material-symbols-rounded starrate\">star<\/span><\/div><\/div><\/div><\/div><\/div><div class=\"col-12 col-sm-12 col-md-12 col-lg-3 col-xl-3 col-xxl-3\"><div class=\"wp-block-mac-card-new-block block-latest-news-container\"><div class=\"card\"><div class=\"content-images\"><img decoding=\"async\" class=\"box-image\" src=\"https:\/\/www.maccaferri.com\/fr\/wp-content\/uploads\/2024\/07\/Biaxial-Geogrids_header.jpg\" alt=\"G\u00e9ogrilles biaxiales\" title=\"G\u00e9ogrilles biaxiales\" \/><\/div><div class=\"card-body\"><h6>G\u00e9ogrilles biaxiales<\/h6><span class=\"abstract\">MacGrid WG-S Des g\u00e9ogrilles enduites tricot\u00e9es en PET \u00e0haute t\u00e9nacit\u00e9  sont \u00e9galement disponibles et utilis\u00e9es dans ces types d&#8217;applicat<\/span><a href=\"https:\/\/www.maccaferri.com\/fr\/produits\/geogrilles-biaxiales\/\" class=\"cta\" rel=\"noopener\" title=\"G\u00e9ogrilles biaxiales\">Voir\n                           <span class=\"text\" value=\"\" \/>\n                           <\/a><div data-post-id=\"113600\" class=\"star \" title=\"Add to wishlist\"><span class=\"material-symbols-rounded starrate\">star<\/span><\/div><\/div><\/div><\/div><\/div><div class=\"col-12 col-sm-12 col-md-12 col-lg-3 col-xl-3 col-xxl-3\"><div class=\"wp-block-mac-card-new-block block-latest-news-container\"><div class=\"card\"><div class=\"content-images\"><img decoding=\"async\" class=\"box-image\" src=\"https:\/\/www.maccaferri.com\/fr\/wp-content\/uploads\/2024\/03\/Header-Drainage-Geocomposites\" alt=\"G\u00e9ocomposites de drainage\" title=\"G\u00e9ocomposites de drainage\" \/><\/div><div class=\"card-body\"><h6>G\u00e9ocomposites de drainage<\/h6><span class=\"abstract\">Ces familles de produits sp\u00e9cialis\u00e9s mettent en \u00e9vidence la polyvalence et l&#8217;adaptabilit\u00e9 des g\u00e9ocomposites de drainage,<\/span><a href=\"https:\/\/www.maccaferri.com\/fr\/produits\/geocomposites-de-drainage\/\" class=\"cta\" rel=\"noopener\" title=\"G\u00e9ocomposites de drainage\">Voir\n                           <span class=\"text\" value=\"\" \/>\n                           <\/a><div data-post-id=\"113576\" class=\"star \" title=\"Add to wishlist\"><span class=\"material-symbols-rounded starrate\">star<\/span><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><!--usedproducts-->","protected":false},"excerpt":{"rendered":"<p>La solution en remblai renforc\u00e9 \u00e0 parement v\u00e9g\u00e9talisable Terramesh\u00ae Vert a \u00e9t\u00e9 retenue pour son efficacit\u00e9 technique, sa rapidit\u00e9 et sa simpl<\/p>\n","protected":false},"featured_media":114697,"parent":0,"menu_order":0,"template":"","stories-category":[],"stories-tag":[],"class_list":["post-114748","stories","type-stories","status-publish","has-post-thumbnail","hentry"],"acf":{"products":[113579,113600,113576,113600],"applications":[103493,103493],"solutions":[103601],"sectors":[103460]},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.0 (Yoast SEO v27.0) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Confortement de la RD9 - Rampe des M\u00e9ans - Maccaferri France<\/title>\n<meta name=\"description\" content=\"D\u00e9couvrez nos r\u00e9ussites : Confortement de la RD9 - Rampe des M\u00e9ans. 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