{"id":1983,"date":"2024-07-01T17:07:44","date_gmt":"2024-07-01T15:07:44","guid":{"rendered":"https:\/\/www.systra.com\/italy\/?post_type=projects&#038;p=1983"},"modified":"2024-07-01T17:07:45","modified_gmt":"2024-07-01T15:07:45","slug":"tunnel-t1-djebel-el-ouahch-collapsed-tunnel-restoration","status":"publish","type":"projects","link":"https:\/\/www.systra.com\/italy\/project\/tunnel-t1-djebel-el-ouahch-collapsed-tunnel-restoration\/","title":{"rendered":"TUNNEL T1 DJEBEL EL OUAHCH, Collapsed tunnel restoration"},"content":{"rendered":"\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><div class=\"content-top-project\">\n    <div class=\"content-top-details\">\n        <svg class=\"icon-sprite details-logo\"><use xlink:href=\"#icon_deco_systra_blanc\" \/>\n        <div class=\"title\">Technical details<\/div>\n        \t        <div class=\"single-content\">\n\t            <div class=\"subtitle\">Customer<\/div>\n\t            <div class=\"desc\">Cosider Travaux Publics<\/div>\n\t        <\/div>\n                    <div class=\"single-content\">\n                <div class=\"subtitle\">Dates<\/div>\n                <div class=\"desc\">2017 &#8211; 2018<\/div>\n            <\/div>\n                    <div class=\"single-content\">\n                <div class=\"subtitle\">Missions<\/div>\n                <div class=\"desc\">Detailed design, Additional investigations, Technical assistance and monitoring<\/div>\n            <\/div>\n                    <div class=\"single-content\">\n                <div class=\"subtitle\">Localisation<\/div>\n                <div class=\"desc\">Algeria<\/div>\n            <\/div>\n                    <div class=\"single-content\">\n                <div class=\"subtitle\">Perimeter<\/div>\n                <div class=\"desc\">Infrastructure, Roads and utility services, Underground structures\/tunnels, BIM, Innovation, Digital<\/div>\n            <\/div>\n           \n            \n    <\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"has-dusty-blue-color has-text-color has-link-color wp-elements-a3c886432c24407fdb246ceea694a383\"><strong>The motorway project crosses Algeria parallel to the Mediterranean coasts<\/strong>.<\/p>\n\n\n\n<p>In the East section, at Djebel El Ouahch, starts the double-bored tunnel T1 Djebel dug with traditional techniques. The motorway project crosses Algeria parallel to the Mediterranean coasts. The highway connects the Tunisian border near the city of El Kala with the border with Morocco near Maghnia, passing close to the main Algerian cities of the north.<\/p>\n\n\n\n<p>This tunnel rehabilitation operation of the East-West motorway is not complete yet for several reasons related to the complexity of the relief which constitutes a real danger for the workforce. The tunnel route meets complex geological conditions with predominance of clays.<\/p>\n\n\n\n<p>The actions carried out in accordance with the implementation of a schedule set by Cosider technicians take into into consideration the reservations and solutions proposed in the conducted study, noting that security, protection, and technical intervention measures have been taken to accelerate the work.<\/p>\n\n\n\n<div style=\"height:52px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img decoding=\"async\" width=\"2560\" height=\"1152\" src=\"https:\/\/www.systra.com\/italy\/wp-content\/uploads\/sites\/5\/2024\/06\/20220328_122548-1-scaled.jpg\" alt=\"\" class=\"wp-image-1985\" style=\"width:784px;height:auto\" srcset=\"https:\/\/www.systra.com\/italy\/wp-content\/uploads\/sites\/5\/2024\/06\/20220328_122548-1-scaled.jpg 2560w, https:\/\/www.systra.com\/italy\/wp-content\/uploads\/sites\/5\/2024\/06\/20220328_122548-1-300x135.jpg 300w, https:\/\/www.systra.com\/italy\/wp-content\/uploads\/sites\/5\/2024\/06\/20220328_122548-1-1024x461.jpg 1024w, https:\/\/www.systra.com\/italy\/wp-content\/uploads\/sites\/5\/2024\/06\/20220328_122548-1-768x346.jpg 768w, https:\/\/www.systra.com\/italy\/wp-content\/uploads\/sites\/5\/2024\/06\/20220328_122548-1-1536x691.jpg 1536w, https:\/\/www.systra.com\/italy\/wp-content\/uploads\/sites\/5\/2024\/06\/20220328_122548-1-2048x922.jpg 2048w, https:\/\/www.systra.com\/italy\/wp-content\/uploads\/sites\/5\/2024\/06\/20220328_122548-1-474x213.jpg 474w, https:\/\/www.systra.com\/italy\/wp-content\/uploads\/sites\/5\/2024\/06\/20220328_122548-1-1700x765.jpg 1700w, https:\/\/www.systra.com\/italy\/wp-content\/uploads\/sites\/5\/2024\/06\/20220328_122548-1-1352x608.jpg 1352w, https:\/\/www.systra.com\/italy\/wp-content\/uploads\/sites\/5\/2024\/06\/20220328_122548-1-800x360.jpg 800w, https:\/\/www.systra.com\/italy\/wp-content\/uploads\/sites\/5\/2024\/06\/20220328_122548-1-180x81.jpg 180w, https:\/\/www.systra.com\/italy\/wp-content\/uploads\/sites\/5\/2024\/06\/20220328_122548-1-153x69.jpg 153w, https:\/\/www.systra.com\/italy\/wp-content\/uploads\/sites\/5\/2024\/06\/20220328_122548-1-230x104.jpg 230w\" sizes=\"(max-width: 2560px) 100vw, 2560px\" \/><\/figure>\n\n\n\n<div style=\"height:52px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img decoding=\"async\" width=\"1024\" height=\"479\" src=\"https:\/\/www.systra.com\/italy\/wp-content\/uploads\/sites\/5\/2024\/06\/tunnel-t1-djebel-el-ouahch.jpg\" alt=\"\" class=\"wp-image-1986\" style=\"width:784px;height:auto\" srcset=\"https:\/\/www.systra.com\/italy\/wp-content\/uploads\/sites\/5\/2024\/06\/tunnel-t1-djebel-el-ouahch.jpg 1024w, https:\/\/www.systra.com\/italy\/wp-content\/uploads\/sites\/5\/2024\/06\/tunnel-t1-djebel-el-ouahch-300x140.jpg 300w, https:\/\/www.systra.com\/italy\/wp-content\/uploads\/sites\/5\/2024\/06\/tunnel-t1-djebel-el-ouahch-768x359.jpg 768w, https:\/\/www.systra.com\/italy\/wp-content\/uploads\/sites\/5\/2024\/06\/tunnel-t1-djebel-el-ouahch-474x222.jpg 474w, https:\/\/www.systra.com\/italy\/wp-content\/uploads\/sites\/5\/2024\/06\/tunnel-t1-djebel-el-ouahch-800x374.jpg 800w, https:\/\/www.systra.com\/italy\/wp-content\/uploads\/sites\/5\/2024\/06\/tunnel-t1-djebel-el-ouahch-180x84.jpg 180w, https:\/\/www.systra.com\/italy\/wp-content\/uploads\/sites\/5\/2024\/06\/tunnel-t1-djebel-el-ouahch-153x72.jpg 153w, https:\/\/www.systra.com\/italy\/wp-content\/uploads\/sites\/5\/2024\/06\/tunnel-t1-djebel-el-ouahch-230x108.jpg 230w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<div style=\"height:52px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div style=\"height:52px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div>\n<\/div>\n","protected":false},"author":103,"featured_media":1984,"parent":0,"template":"","type-market":[48,50],"project-market":[],"project-service":[],"project-location":[],"type-service":[],"type-solution":[],"class_list":["post-1983","projects","type-projects","status-publish","has-post-thumbnail","hentry","type-market-roads","type-market-tunneling-underground"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.4 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>TUNNEL T1 DJEBEL EL OUAHCH, Collapsed tunnel restoration - Italy<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"TUNNEL T1 DJEBEL EL OUAHCH, Collapsed tunnel restoration\" \/>\n<meta property=\"og:description\" content=\"The motorway project crosses Algeria parallel to the Mediterranean coasts. 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