{"id":995,"date":"2017-12-18T15:14:40","date_gmt":"2017-12-18T14:14:40","guid":{"rendered":"http:\/\/tubau.renad.sk\/?post_type=dt_portfolio&#038;p=995"},"modified":"2020-11-26T20:22:40","modified_gmt":"2020-11-26T19:22:40","slug":"tunelovy-privadzac-elektrarne-karahnjukar-island","status":"publish","type":"dt_portfolio","link":"https:\/\/demo.zedabbystrica.sk\/en\/project\/headrace-tunnel-for-powerstation-karahnjukar-iceland\/","title":{"rendered":"Headrace tunnel for powerstation K\u00e1rahnj\u00fakar, Iceland"},"content":{"rendered":"<section class=\"wpb-content-wrapper\"><p>[vc_row bg_type=&#8221;image&#8221; parallax_style=&#8221;vcpb-default&#8221; bg_image_repeat=&#8221;no-repeat&#8221; bg_image_size=&#8221;initial&#8221; bg_image_posiiton=&#8221;730px 0px&#8221; css=&#8221;.vc_custom_1497250891710{background-position: center !important;background-repeat: no-repeat !important;background-size: cover !important;}&#8221; el_class=&#8221;tubaulogo&#8221;][vc_column][vc_column_text]<\/p>\n<h2>Headrace tunnel for powerstation K\u00e1rahnj\u00fakar, Iceland<\/h2>\n<h4>Construction of headrace tunnel from dam to hydroelectric powerstation<\/h4>\n<p><strong>Client:\u00a0<\/strong>Landsvirkjun (the National Power Company)<\/p>\n<p><strong>Superior Contractor:\u00a0<\/strong>IMPREGILO S. p. a. Iceland Branch<\/p>\n<p><strong>Structures description and completed works:<\/strong><br \/>\nProject: K\u00e1rahnj\u00fakar Hydroelectrical Project KAR 14.<br \/>\nCompany executed excavation works at construction of feeding corridors from dam to underground hydroelectric powerstation K\u00e1rahnj\u00fakar.<br \/>\n<strong><br \/>\nCompleted structures:<\/strong><\/p>\n<ul>\n<li>Surge tunnel with 18.3 to 23 sqm cross-section and 1 680 m length, it represents relieving weir tunnel in front of water inflow into vertical shafts to hydroelectric powerstation,<\/li>\n<li>main headrace tunnel from dam to hydroelectric powerstation with 56 sqm cross-section and 1 600 m length,<\/li>\n<li>gate shaft with 64 sqm cross-section and 90 m depth.<\/li>\n<\/ul>\n<p><strong>Construction technology:<\/strong><br \/>\nBoring works executed through new Austrian tunnelling method (NATM). Excavation works are executed through drilling and blasting works, supporting with shotcrete reinforced by steel fibres with SN anchors. Drilling works are performed with drill slip form cars Tamrock Axera T 11, T 08 with extended mounts which allow drilling up to 5 m length of meshing. Putzmeister WKM 133 is used for shotcrete support. Mucking material is loaded in tunnel with wheel loader Volvo L 180 E equipped with side dumping. Mucking material removal from tunnel is executed by moulds, trail sets and tunnel conveyor belt system.<\/p>\n<p><strong>Contract sum:\u00a0<\/strong>130 mil. SKK<\/p>\n<p><strong>Construction period:\u00a0<\/strong>March 2005 \u2013 June 2006[\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column][vc_empty_space height=&#8221;10px&#8221;][vc_separator color=&#8221;black&#8221; style=&#8221;shadow&#8221;][vc_empty_space height=&#8221;25px&#8221;][vc_column_text]<\/p>\n<div class=\"shortcode-gallery dt-format-gallery gallery-col-4 galleryid-995 dt-gallery-container\" style=\"width: 100%;\"><a href=\"https:\/\/demo.zedabbystrica.sk\/wp-content\/uploads\/tunelovy-privadzac-karahnjukar-island-1.jpg\" class=\"rollover rollover-zoom dt-pswp-item big-img layzr-bg\" title=\"Tunelov\u00fd priv\u00e1dza\u010d elektr\u00e1rne K\u00e1rahnj\u00fakar, Island\"  data-dt-img-description=\"\" data-large_image_width=\"1000\" data-large_image_height = \"750\"><img src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D&#39;http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg&#39;%20viewBox%3D&#39;0%200%20600%20600&#39;%2F%3E\" data-src=\"https:\/\/demo.zedabbystrica.sk\/wp-content\/uploads\/tunelovy-privadzac-karahnjukar-island-1-600x600.jpg\" data-srcset=\"https:\/\/demo.zedabbystrica.sk\/wp-content\/uploads\/tunelovy-privadzac-karahnjukar-island-1-600x600.jpg 600w, https:\/\/demo.zedabbystrica.sk\/wp-content\/uploads\/tunelovy-privadzac-karahnjukar-island-1-750x750.jpg 750w\" loading=\"eager\" style=\"--ratio: 600 \/ 600;\" sizes=\"(max-width: 600px) 100vw, 600px\" class=\"preload-me lazy-load aspect\" width=\"600\" height=\"600\"  alt=\"Tunelov\u00fd priv\u00e1dza\u010d elektr\u00e1rne K\u00e1rahnj\u00fakar, Island\" title=\"Tunelov\u00fd priv\u00e1dza\u010d elektr\u00e1rne K\u00e1rahnj\u00fakar, Island\" \/><\/a><a href=\"https:\/\/demo.zedabbystrica.sk\/wp-content\/uploads\/tunelovy-privadzac-karahnjukar-island-2.jpg\" class=\"rollover rollover-zoom dt-pswp-item layzr-bg\" title=\"Tunelov\u00fd priv\u00e1dza\u010d elektr\u00e1rne K\u00e1rahnj\u00fakar, Island\"  data-dt-img-description=\"\" data-large_image_width=\"1000\" data-large_image_height = \"750\"><img src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D&#39;http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg&#39;%20viewBox%3D&#39;0%200%20300%20300&#39;%2F%3E\" data-src=\"https:\/\/demo.zedabbystrica.sk\/wp-content\/uploads\/tunelovy-privadzac-karahnjukar-island-2-300x300.jpg\" data-srcset=\"https:\/\/demo.zedabbystrica.sk\/wp-content\/uploads\/tunelovy-privadzac-karahnjukar-island-2-300x300.jpg 300w, https:\/\/demo.zedabbystrica.sk\/wp-content\/uploads\/tunelovy-privadzac-karahnjukar-island-2-600x600.jpg 600w\" loading=\"eager\" style=\"--ratio: 300 \/ 300;\" sizes=\"(max-width: 300px) 100vw, 300px\" class=\"preload-me lazy-load aspect\" width=\"300\" height=\"300\"  alt=\"Tunelov\u00fd priv\u00e1dza\u010d elektr\u00e1rne K\u00e1rahnj\u00fakar, Island\" title=\"Tunelov\u00fd priv\u00e1dza\u010d elektr\u00e1rne K\u00e1rahnj\u00fakar, Island\" \/><\/a><a href=\"https:\/\/demo.zedabbystrica.sk\/wp-content\/uploads\/tunelovy-privadzac-karahnjukar-island-3.jpg\" class=\"rollover rollover-zoom dt-pswp-item layzr-bg\" title=\"Tunelov\u00fd priv\u00e1dza\u010d elektr\u00e1rne K\u00e1rahnj\u00fakar, Island\"  data-dt-img-description=\"\" data-large_image_width=\"1000\" data-large_image_height = \"750\"><img src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D&#39;http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg&#39;%20viewBox%3D&#39;0%200%20300%20300&#39;%2F%3E\" data-src=\"https:\/\/demo.zedabbystrica.sk\/wp-content\/uploads\/tunelovy-privadzac-karahnjukar-island-3-300x300.jpg\" data-srcset=\"https:\/\/demo.zedabbystrica.sk\/wp-content\/uploads\/tunelovy-privadzac-karahnjukar-island-3-300x300.jpg 300w, https:\/\/demo.zedabbystrica.sk\/wp-content\/uploads\/tunelovy-privadzac-karahnjukar-island-3-600x600.jpg 600w\" loading=\"eager\" style=\"--ratio: 300 \/ 300;\" sizes=\"(max-width: 300px) 100vw, 300px\" class=\"preload-me lazy-load aspect\" width=\"300\" height=\"300\"  alt=\"Tunelov\u00fd priv\u00e1dza\u010d elektr\u00e1rne K\u00e1rahnj\u00fakar, Island\" title=\"Tunelov\u00fd priv\u00e1dza\u010d elektr\u00e1rne K\u00e1rahnj\u00fakar, Island\" \/><\/a><a href=\"https:\/\/demo.zedabbystrica.sk\/wp-content\/uploads\/tunelovy-privadzac-karahnjukar-island-4.jpg\" class=\"rollover rollover-zoom dt-pswp-item layzr-bg\" title=\"Tunelov\u00fd priv\u00e1dza\u010d elektr\u00e1rne K\u00e1rahnj\u00fakar, Island\"  data-dt-img-description=\"\" data-large_image_width=\"1000\" data-large_image_height = \"750\"><img src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D&#39;http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg&#39;%20viewBox%3D&#39;0%200%20300%20300&#39;%2F%3E\" data-src=\"https:\/\/demo.zedabbystrica.sk\/wp-content\/uploads\/tunelovy-privadzac-karahnjukar-island-4-300x300.jpg\" data-srcset=\"https:\/\/demo.zedabbystrica.sk\/wp-content\/uploads\/tunelovy-privadzac-karahnjukar-island-4-300x300.jpg 300w, https:\/\/demo.zedabbystrica.sk\/wp-content\/uploads\/tunelovy-privadzac-karahnjukar-island-4-600x600.jpg 600w\" loading=\"eager\" style=\"--ratio: 300 \/ 300;\" sizes=\"(max-width: 300px) 100vw, 300px\" class=\"preload-me lazy-load aspect\" width=\"300\" height=\"300\"  alt=\"Tunelov\u00fd priv\u00e1dza\u010d elektr\u00e1rne K\u00e1rahnj\u00fakar, Island\" title=\"Tunelov\u00fd priv\u00e1dza\u010d elektr\u00e1rne K\u00e1rahnj\u00fakar, Island\" \/><\/a><\/div>\n<p>[\/vc_column_text][\/vc_column][\/vc_row]<\/p>\n<\/section>","protected":false},"excerpt":{"rendered":"<p>[vc_row bg_type=&#8221;image&#8221; parallax_style=&#8221;vcpb-default&#8221; bg_image_repeat=&#8221;no-repeat&#8221; bg_image_size=&#8221;initial&#8221; bg_image_posiiton=&#8221;730px 0px&#8221; css=&#8221;.vc_custom_1497250891710{background-position: center !important;background-repeat: no-repeat !important;background-size: cover !important;}&#8221; el_class=&#8221;tubaulogo&#8221;][vc_column][vc_column_text] Headrace tunnel for powerstation K\u00e1rahnj\u00fakar,&hellip;<\/p>\n","protected":false},"author":1,"featured_media":594,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_links_to":"","_links_to_target":""},"dt_portfolio_category":[18,29],"dt_portfolio_tags":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/demo.zedabbystrica.sk\/en\/wp-json\/wp\/v2\/dt_portfolio\/995"}],"collection":[{"href":"https:\/\/demo.zedabbystrica.sk\/en\/wp-json\/wp\/v2\/dt_portfolio"}],"about":[{"href":"https:\/\/demo.zedabbystrica.sk\/en\/wp-json\/wp\/v2\/types\/dt_portfolio"}],"author":[{"embeddable":true,"href":"https:\/\/demo.zedabbystrica.sk\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/demo.zedabbystrica.sk\/en\/wp-json\/wp\/v2\/comments?post=995"}],"version-history":[{"count":1,"href":"https:\/\/demo.zedabbystrica.sk\/en\/wp-json\/wp\/v2\/dt_portfolio\/995\/revisions"}],"predecessor-version":[{"id":2014,"href":"https:\/\/demo.zedabbystrica.sk\/en\/wp-json\/wp\/v2\/dt_portfolio\/995\/revisions\/2014"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/demo.zedabbystrica.sk\/en\/wp-json\/wp\/v2\/media\/594"}],"wp:attachment":[{"href":"https:\/\/demo.zedabbystrica.sk\/en\/wp-json\/wp\/v2\/media?parent=995"}],"wp:term":[{"taxonomy":"dt_portfolio_category","embeddable":true,"href":"https:\/\/demo.zedabbystrica.sk\/en\/wp-json\/wp\/v2\/dt_portfolio_category?post=995"},{"taxonomy":"dt_portfolio_tags","embeddable":true,"href":"https:\/\/demo.zedabbystrica.sk\/en\/wp-json\/wp\/v2\/dt_portfolio_tags?post=995"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}