{"id":2390,"date":"2014-10-24T08:31:08","date_gmt":"2014-10-24T08:31:08","guid":{"rendered":"http:\/\/rubricaingenieria.com\/?p=2390"},"modified":"2018-03-13T11:07:09","modified_gmt":"2018-03-13T11:07:09","slug":"gerediaga-tunnel","status":"publish","type":"post","link":"https:\/\/rubricaingenieria.com\/en\/gerediaga-tunnel\/","title":{"rendered":"GEREDIAGA TUNNEL"},"content":{"rendered":"<p><strong>Client:<\/strong>\u00a0UTE Autov\u00eda Gerediaga \u2013 Elorrio<\/p>\n<p><strong>Place:<\/strong>\u00a0Albadi\u00f1o (Bizkaia)<\/p>\n<p><strong>Status:<\/strong>\u00a0In cut-and-cover tunnel phase (25% of the work)<\/p>\n<p><strong>Estimated conclusion time:<\/strong>\u00a02015<\/p>\n<p><strong>Project Coordinator:<\/strong>\u00a0David Tichell<\/p>\n<p><strong>Identified needs:<\/strong>\u00a0This is a formwork for the lining both of the bored tunnel and the cut-and-cover tunnel. In both cases, along the tunnel route, there\u00a0are areas where the tunnel section expands laterally\u00a0sidings).The cut-and-cover tunnel would be carried out in two phases; the first one with the concreting of the cut-and-cover tunnel itself, through the inner-outer formwork and a larger bored inner section than that of the tunnel; and afterwards,\u00a0the cut-and-cover tunnel would be lined in order to achieve the same finish and section as that of the bored tunnel.<\/p>\n<p><strong>Why our solution?<\/strong>\u00a0The tunnel had two sections with different radii that needed concreting (the cut-and-cover tunnel and the bored tunnel.) We recommended using one single formwork for both sections, suggesting a geometry that would adapt itself to both sections with a few minimal deviations\u00a0with respect to the theoretical project section. Thus, with the same formwork, we have been able to carry out two different sections.<\/p>\n<p>For the expansion or siding area, a telescopic transport cart was designed that would allow the opening of the formwork with a hydraulic system, in\u00a0order to subsequently assemble a special piece or large width on the formwork, with the project-required width.<\/p>\n<p><strong>Description of the construction work process<\/strong><\/p>\n<ol>\n<li>In the first phase, the footings or walls where the formwork will settle on and will be anchored to, shall be carried out.<\/li>\n<li>Afterwards, the cut-and-cover tunnel is carried out using both the outer and inner formwork.<\/li>\n<li>Next, the inner lining of the cut-and-cover tunnel is installed.<\/li>\n<li>Once all the cut-and-cover tunnel works are finished, we shall enter the bored tunnel, where the footings and walls have previously been carried out,\u00a0and we go on to the concreting of the tunnel\u2019s inner lining.<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Client:\u00a0UTE Autov\u00eda Gerediaga \u2013 Elorrio Place:\u00a0Albadi\u00f1o (Bizkaia) Status:\u00a0In cut-and-cover tunnel phase (25% of the work) Estimated conclusion time:\u00a02015 Project Coordinator:\u00a0David Tichell Identified needs:\u00a0This is a formwork for the lining both of the bored tunnel and the cut-and-cover tunnel. In both cases, along the tunnel route, there\u00a0are areas where the tunnel section expands laterally\u00a0sidings).The cut-and-cover tunnel [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":2391,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[45],"tags":[],"class_list":["post-2390","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-rubrica-tunnel-n"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>GEREDIAGA TUNNEL - R\u00fabrica Engineering<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/rubricaingenieria.com\/en\/gerediaga-tunnel\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"GEREDIAGA TUNNEL - R\u00fabrica Engineering\" \/>\n<meta property=\"og:description\" content=\"Client:\u00a0UTE Autov\u00eda Gerediaga \u2013 Elorrio Place:\u00a0Albadi\u00f1o (Bizkaia) Status:\u00a0In cut-and-cover tunnel phase (25% of the work) Estimated conclusion time:\u00a02015 Project Coordinator:\u00a0David Tichell Identified needs:\u00a0This is a formwork for the lining both of the bored tunnel and the cut-and-cover tunnel. 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