{"id":27343,"date":"2014-07-16T17:38:57","date_gmt":"2014-07-16T15:38:57","guid":{"rendered":"https:\/\/www.uretek.ch\/?p=27343"},"modified":"2020-03-04T10:09:32","modified_gmt":"2020-03-04T09:09:32","slug":"amelioration-de-sol-d-un-remblai-de-chemin-de-fer","status":"publish","type":"post","link":"https:\/\/www.uretek.ch\/fr\/amelioration-de-sol-d-un-remblai-de-chemin-de-fer\/","title":{"rendered":"Am\u00e9lioration de sol d\u2019un remblai de chemin de fer en Croatie avec des injections de r\u00e9sine URETEK Geoplus<sup>\u00ae<\/sup>"},"content":{"rendered":"<section class=\"l-section wpb_row height_small\"><div class=\"l-section-h i-cf\"><div class=\"g-cols vc_row via_flex valign_top type_default stacking_default\"><div class=\"vc_col-sm-12 wpb_column vc_column_container\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\"><div class=\"wpb_text_column us_custom_092b1322\"><div class=\"wpb_wrapper\"><h4>Lors de la mise en place d\u2019un gazoduc \u00e0 travers un remblai de chemin de fer\u00a0en Croatie, un tunnel a \u00e9t\u00e9 perc\u00e9 \u00e0 l\u2019aide de la technologie HDD.<\/h4>\n<p>La proc\u00e9dure d\u2019insertion\u00a0de la canalisation a provoqu\u00e9 une augmentation de l\u2019\u00e9tat de contrainte dans l\u2019ouvrage, ce\u00a0qui a entra\u00een\u00e9 des d\u00e9formations excessives et des tassements continus (environ 5 cm\/semaine). Le remblai a \u00e9t\u00e9 r\u00e9alis\u00e9 \u00e0 l\u2019aide de pierres uniformes, de taille 5\u00f720 cm, sans\u00a0petites particules, ni fines, ce qui implique une part importante des vides. Pour augmenter\u00a0la rigidit\u00e9 du sol constituant le remblai, des injections de r\u00e9sine URETEK Geoplus<sup>\u00ae<\/sup> \u00e0 haute\u00a0pression de gonflement, ont \u00e9t\u00e9 r\u00e9alis\u00e9es sur la base des r\u00e9sultats d\u2019une analyse 3D\u00a0FEM. Au cours de l\u2019ensemble de l\u2019intervention, un suivi en temps r\u00e9el a permis un contr\u00f4le\u00a0pr\u00e9cis des op\u00e9rations et des tassements importants ont \u00e9t\u00e9 \u00e9vit\u00e9s.<\/p>\n<\/div><\/div><div class=\"w-separator size_small\"><\/div><div class=\"g-cols wpb_row via_flex valign_top type_default stacking_default\"><div class=\"vc_col-sm-4 wpb_column vc_column_container\"><div class=\"vc_column-inner us_custom_57f5615c\"><div class=\"wpb_wrapper\"><div class=\"w-image align_none\"><a target=\" _blank\" rel=\"nofollow\" href=\"https:\/\/www.uretek.ch\/wp-content\/uploads\/2017\/02\/GEORAIL-2014_page-493-502_fr.pdf\" aria-label=\"GEORAIL-2014-covershot\" class=\"w-image-h\"><img decoding=\"async\" width=\"814\" height=\"1024\" src=\"https:\/\/www.uretek.ch\/wp-content\/uploads\/2019\/07\/GEORAIL-2014-covershot-814x1024.jpg\" class=\"attachment-large size-large\" alt=\"\" loading=\"lazy\" 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La proc\u00e9dure d\u2019insertion\u00a0de la canalisation a provoqu\u00e9 une augmentation de l\u2019\u00e9tat de contrainte dans l\u2019ouvrage, ce\u00a0qui a entra\u00een\u00e9 des d\u00e9formations excessives et des tassements continus (environ 5...","protected":false},"author":1,"featured_media":27354,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[234],"tags":[],"class_list":["post-27343","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-etudes-de-cas"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Am\u00e9lioration de sol d\u2019un remblai de chemin de fer \u2026<\/title>\n<meta name=\"description\" content=\"\u2026 en Croatie avec des injections de r\u00e9sine URETEK Geoplus\u00ae.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, 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