{"id":53860,"date":"2023-08-03T17:38:00","date_gmt":"2023-08-03T15:38:00","guid":{"rendered":"https:\/\/maccaferri-stage.softecspa.it\/fr\/?p=53860"},"modified":"2023-08-09T10:13:41","modified_gmt":"2023-08-09T08:13:41","slug":"protection-du-chemin-des-sables-par-une-geogrille-anti-effondrement","status":"publish","type":"post","link":"https:\/\/maccaferri-stage.softecspa.it\/fr\/news\/protection-du-chemin-des-sables-par-une-geogrille-anti-effondrement\/","title":{"rendered":"Protection du Chemin des Sables par une g\u00e9ogrille anti-effondrement"},"content":{"rendered":"<div class=\"wp-block-mac-container-block box-container\"><div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\"><div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><p>08\/2023<\/p><\/div><\/div><\/div><div class=\"wp-block-mac-container-block box-container\"><div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\"><div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-16018d1d wp-block-buttons-is-layout-flex\"><div class=\"wp-block-button\"><a class=\"wp-block-button__link\" href=\"https:\/\/maccaferri-stage.softecspa.it\/fr\/download\/fch-protection-du-chemin-des-sables-par-geogrille-anti-effondrement-sarlat-la-caneda24-france\/\" target=\"_blank\" rel=\"noreferrer noopener\">Acc\u00e9der \u00e0 la fiche chantier<\/a><\/div><\/div><\/div><\/div><\/div><div style=\"height:45px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><div class=\"wp-block-mac-container-block box-container\"><div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\"><div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><p class=\"has-medium-font-size\">En <strong>France<\/strong>, de nombreuses r\u00e9gions pr\u00e9sentent des <strong>probl\u00e8mes<\/strong> de remont\u00e9e de<strong> cavit\u00e9<\/strong> entra\u00eenant des <strong>affaissements<\/strong> du sol (d\u00e9formation lente et sans rupture) ou des <strong>effondrements<\/strong> (\u00e9v\u00e8nement soudain avec rupture formant un vide franc).<\/p><\/div><\/div><\/div><div style=\"height:45px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><div class=\"wp-block-mac-container-block box-container\"><div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\"><div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><p class=\"has-text-align-center has-medium-font-size\"><em><a href=\"https:\/\/maccaferri-stage.softecspa.it\/fr\/produits\/geogrilles-monoaxiales\/\">Les g\u00e9ogrilles de <\/a><a href=\"https:\/\/maccaferri-stage.softecspa.it\/fr\/produits\/geogrilles-monoaxiales\/\" target=\"_blank\" rel=\"noreferrer noopener\">renforcement<\/a><\/em><\/p><\/div><\/div><\/div><div style=\"height:45px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><div class=\"wp-block-mac-container-block box-container\"><div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\"><div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><p class=\"has-medium-font-size\">Les<strong> g\u00e9ogrilles<\/strong> sont des <strong>g\u00e9osynth\u00e9tiques<\/strong> de<strong> renforcement<\/strong> parfaitement indiqu\u00e9s pour <strong>prot\u00e9ger de larges zones du risque d\u2019effondrement<\/strong>. Elles fonctionnent par effet membrane et pontent le sommet des cavit\u00e9s. Gr\u00e2ce \u00e0 un <strong>co\u00fbt<\/strong> beaucoup <strong>moins <\/strong>important que le comblement ou la r\u00e9alisation de dalles b\u00e9ton ( facteur de 3 \u00e0 10 ), elles offrent la possibilit\u00e9 de<strong> se pr\u00e9munir <\/strong>d\u2019un <strong>risque<\/strong> important \u00e0 moindre co\u00fbt. Leur conditionnement en rouleaux \u00e0 la dimension de la zone \u00e0 traiter permet une <strong>installation ais\u00e9e<\/strong> et <strong>rapide<\/strong> qui s\u2019int\u00e8gre au terrassement.<\/p><\/div><\/div><\/div><div style=\"height:45px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><div class=\"wp-block-mac-container-block box-container\"><div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\"><div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><p class=\"has-text-align-center has-medium-font-size\"><em>Une solution anti-affaissement \u00e0 Sarlat (24)<\/em><\/p><\/div><\/div><\/div><div style=\"height:45px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><div class=\"wp-block-mac-container-block box-container\"><div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\"><div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><p class=\"has-medium-font-size\">Une <strong>\u00e9tude g\u00e9otechnique<\/strong> et une <strong>prospection micro-gravim\u00e9trique<\/strong> de la zone ont \u00e9t\u00e9 men\u00e9es sur le chantier. Il en est ressorti que la route est situ\u00e9e sur du <strong>calcaire gr\u00e9seux<\/strong> contenant des karsts.<\/p>\n\n<p class=\"has-medium-font-size\">La mission G5 concluait en la n\u00e9cessit\u00e9 de mettre en place une<strong> solution anti-effondrement<\/strong> dans le cas o\u00f9 une cavit\u00e9 viendrait \u00e0 remonter en surface.<\/p>\n\n<p class=\"has-medium-font-size\">Les g\u00e9ogrilles de renfort constituent une solution efficace pour limiter ce risque : elles reprennent les charges des structures et emp\u00eachent l\u2019effondrement brutal.<\/p>\n\n<p class=\"has-medium-font-size\"><strong>France Maccaferri<\/strong> a par cons\u00e9quent r\u00e9alis\u00e9 le <strong>dimensionnement de la g\u00e9ogrille<\/strong>. Et le choix s\u2019est porr\u00e9 sur la <strong>ParaLink<\/strong>&nbsp;!<\/p>\n\n<p class=\"has-medium-font-size\">La <strong>Paralink 350<\/strong> limitera la d\u00e9flexion en surface \u00e0 18cm si une cavit\u00e9 de 2m de diam\u00e8tre remontait sous la chauss\u00e9e, et ce, pour une dur\u00e9e de service de 120 ans.<\/p><\/div><\/div><\/div><div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><div class=\"wp-block-mac-container-block box-container\"><div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\"><div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><p class=\"has-text-align-center has-small-font-size\">Extrait de l\u2019article \u00ab&nbsp;Protection contre le risque de remont\u00e9e de cavit\u00e9s par g\u00e9ogrille de renforcement&nbsp;\u00bb dans TRAVAUX n\u00b0958 par France Maccaferri (mars 2020)<\/p><\/div><\/div><\/div><div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><div class=\"wp-block-mac-container-block box-container\"><div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\"><div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><p class=\"has-text-align-center has-text-color has-large-font-size\" style=\"color:#ee7a19\"><strong>Vous souhaitez en savoir plus sur la protection contre le risque de <\/strong><\/p>\n\n<p class=\"has-text-align-center has-text-color has-large-font-size\" style=\"color:#ee7a19\"><strong>remont\u00e9e de cavit\u00e9s ? <\/strong><\/p><\/div><\/div><\/div><div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-16018d1d wp-block-buttons-is-layout-flex\"><div class=\"wp-block-button\"><a class=\"wp-block-button__link\" href=\"https:\/\/maccaferri-stage.softecspa.it\/fr\/download\/article-travaux-sols-et-fondations-protection-contre-le-risque-de-remontee-de-cavites-par-geogrille-de-renforcement\/\" target=\"_blank\" rel=\"noreferrer noopener\">Lire l&#8217;article de presse<\/a><\/div><\/div><div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><div class=\"wp-block-mac-container-block box-container\"><div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\"><div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><figure class=\"wp-block-image aligncenter size-large\"><a href=\"https:\/\/www2.maccaferri.com\/l\/965143\/2023-08-04\/5qsdvb\" target=\"_blank\" rel=\"noreferrer noopener\"><img decoding=\"async\" src=\"https:\/\/maccaferri-stage.softecspa.it\/fr\/wp-content\/uploads\/2023\/08\/Rejoignez_notre_communte_technique-1024x129.png\" alt=\"\" class=\"wp-image-53982\" \/><\/a><\/figure><\/div><\/div><\/div><div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>","protected":false},"excerpt":{"rendered":"<p>A la suite de fortes pluies, des affaissements sont apparus sur le chemin des sables, une voie d\u2019acc\u00e8s \u00e0 un centre commercial tr\u00e8s fr\u00e9quent\u00e9. <\/p>\n","protected":false},"author":7096,"featured_media":53863,"comment_status":"closed","ping_status":"closed","sticky":true,"template":"","format":"standard","meta":{"_acf_changed":false,"_joinchat":[],"footnotes":""},"categories":[13,1],"tags":[291,301,28,295,300],"class_list":["post-53860","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-articoli","category-news","tag-geogrille-de-renforcement","tag-geogrille-monoaxiale-maccaferri","tag-paralink","tag-renforcement-dinfrastructure-routiere","tag-renforcement-de-sol-geogrille-monoaxiale"],"acf":[],"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>Protection du Chemin des Sables par une g\u00e9ogrille anti-effondrement - Maccaferri France<\/title>\n<meta name=\"description\" content=\"France Maccaferri a r\u00e9alis\u00e9 le dimensionnement de la g\u00e9ogrille. Et le choix s\u2019est port\u00e9 sur la ParaLink ! La Paralink 350 limitera la d\u00e9flexion en surface \u00e0 18cm si une cavit\u00e9 de 2m de diam\u00e8tre remontait sous la chauss\u00e9e, et ce, pour une dur\u00e9e de service de 120 ans.\" \/>\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\/news\/protection-du-chemin-des-sables-par-une-geogrille-anti-effondrement\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Protection du Chemin des Sables par une g\u00e9ogrille anti-effondrement - Maccaferri France\" \/>\n<meta property=\"og:description\" content=\"France Maccaferri a r\u00e9alis\u00e9 le dimensionnement de la g\u00e9ogrille. Et le choix s\u2019est port\u00e9 sur la ParaLink ! 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