{"id":985,"date":"2017-06-18T14:50:41","date_gmt":"2017-06-18T12:50:41","guid":{"rendered":"http:\/\/tubau.renad.sk\/?post_type=dt_portfolio&#038;p=985"},"modified":"2017-06-26T14:16:26","modified_gmt":"2017-06-26T12:16:26","slug":"podzemna-elektraren-karahnjukar-island","status":"publish","type":"dt_portfolio","link":"https:\/\/demo.zedabbystrica.sk\/en\/project\/underground-hydroelectric-powerstation-in-iceland\/","title":{"rendered":"Underground hydroelectric powerstation in 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>Underground hydroelectric powerstation in Iceland<\/h2>\n<h4>Construction of underground hydroelectric powerstation<\/h4>\n<p><strong>Client:\u00a0<\/strong>Landsvirkjun (the National Power Company)<\/p>\n<p><strong>Superior Contractor:\u00a0<\/strong>FOSSKRAFT J. V., Reykjavik, Iceland<\/p>\n<p><strong>Structures description and completed works:<\/strong><br \/>\nProject: K\u00e1rahnj\u00fakar Powerstation KAR 15 with service capacity 690 MW.<br \/>\nCompany\u00a0executed works at construction of underground hydroelectric powerstation K\u00e1rahnj\u00fakar in Iceland.<br \/>\nBoring works were executed through new Austrian tunneling method (NATM) \u2013 drilling and blasting works.<\/p>\n<p><strong>Completed structures:<\/strong><\/p>\n<ul>\n<li>cable tunnel with 14.8 sqm cross-section and 960 m length for conduction of electric power from underground trafostation,<\/li>\n<li>drainage tunnel with 68.8 sqm cross-section and 1 400 m length for water drainage from turbines,<\/li>\n<li>air tunnel with 5.5 sqm cross-section and 92 m length for aeration of underground engine room,<\/li>\n<li>underground engine room of 119 m length, 14 m width and 35 m height,<\/li>\n<li>underground trafostation of 103 m length, 13.5 m width and 16 m height,<\/li>\n<li>feeder corridors to turbines with cross-section from 16 sqm to 5 sqm and cca 225 m of total length,<\/li>\n<li>drain corridors from turbines to drainage tunnel with 14.3 sqm cross-section and 310 m total length.<\/li>\n<\/ul>\n<p><strong>Construction technology:<br \/>\n<\/strong>Excavation works were executed through drilling and blasting works, supporting with shotcrete reinforced by steel fibres with SN anchors. Drilling works were performed with drill slip form cars Tamrock Axera T 11, T 08 with extended carriages which allowed drilling up to 5 m length of meshing. Putzmeister WKM 133 was used for shotcrete support. Mucking material was loaded in tunnel with wheel loader Volvo L 180 E equipped with side dumping. Mucking material removal from tunnel was executed with lorries Mercedes DB 3331 6&#215;4.<\/p>\n<p><strong>Contract sum:\u00a0<\/strong>122 mil. SKK<\/p>\n<p><strong>Construction period:\u00a0<\/strong>November 2003 \u2013 December 2004[\/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-985 dt-gallery-container\" style=\"width: 100%;\"><a href=\"https:\/\/demo.zedabbystrica.sk\/wp-content\/uploads\/podzemna-elektraren-karahnjukar-island-1.jpg\" class=\"rollover rollover-zoom dt-pswp-item big-img layzr-bg\" title=\"Podzemn\u00e1 elektr\u00e1re\u0148 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\/podzemna-elektraren-karahnjukar-island-1-600x600.jpg\" data-srcset=\"https:\/\/demo.zedabbystrica.sk\/wp-content\/uploads\/podzemna-elektraren-karahnjukar-island-1-600x600.jpg 600w, https:\/\/demo.zedabbystrica.sk\/wp-content\/uploads\/podzemna-elektraren-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=\"Podzemn\u00e1 elektr\u00e1re\u0148 K\u00e1rahnj\u00fakar, Island\" title=\"Podzemn\u00e1 elektr\u00e1re\u0148 K\u00e1rahnj\u00fakar, Island\" \/><\/a><a href=\"https:\/\/demo.zedabbystrica.sk\/wp-content\/uploads\/podzemna-elektraren-karahnjukar-island-2.jpg\" class=\"rollover rollover-zoom dt-pswp-item layzr-bg\" title=\"Podzemn\u00e1 elektr\u00e1re\u0148 K\u00e1rahnj\u00fakar, Island\"  data-dt-img-description=\"\" data-large_image_width=\"774\" data-large_image_height = \"900\"><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\/podzemna-elektraren-karahnjukar-island-2-300x300.jpg\" data-srcset=\"https:\/\/demo.zedabbystrica.sk\/wp-content\/uploads\/podzemna-elektraren-karahnjukar-island-2-300x300.jpg 300w, https:\/\/demo.zedabbystrica.sk\/wp-content\/uploads\/podzemna-elektraren-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=\"Podzemn\u00e1 elektr\u00e1re\u0148 K\u00e1rahnj\u00fakar, Island\" title=\"Podzemn\u00e1 elektr\u00e1re\u0148 K\u00e1rahnj\u00fakar, Island\" \/><\/a><a href=\"https:\/\/demo.zedabbystrica.sk\/wp-content\/uploads\/podzemna-elektraren-karahnjukar-island-3.jpg\" class=\"rollover rollover-zoom dt-pswp-item layzr-bg\" title=\"Podzemn\u00e1 elektr\u00e1re\u0148 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\/podzemna-elektraren-karahnjukar-island-3-300x300.jpg\" data-srcset=\"https:\/\/demo.zedabbystrica.sk\/wp-content\/uploads\/podzemna-elektraren-karahnjukar-island-3-300x300.jpg 300w, https:\/\/demo.zedabbystrica.sk\/wp-content\/uploads\/podzemna-elektraren-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=\"Podzemn\u00e1 elektr\u00e1re\u0148 K\u00e1rahnj\u00fakar, Island\" title=\"Podzemn\u00e1 elektr\u00e1re\u0148 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] Underground hydroelectric powerstation in Iceland&hellip;<\/p>\n","protected":false},"author":1,"featured_media":575,"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\/985"}],"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=985"}],"version-history":[{"count":0,"href":"https:\/\/demo.zedabbystrica.sk\/en\/wp-json\/wp\/v2\/dt_portfolio\/985\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/demo.zedabbystrica.sk\/en\/wp-json\/wp\/v2\/media\/575"}],"wp:attachment":[{"href":"https:\/\/demo.zedabbystrica.sk\/en\/wp-json\/wp\/v2\/media?parent=985"}],"wp:term":[{"taxonomy":"dt_portfolio_category","embeddable":true,"href":"https:\/\/demo.zedabbystrica.sk\/en\/wp-json\/wp\/v2\/dt_portfolio_category?post=985"},{"taxonomy":"dt_portfolio_tags","embeddable":true,"href":"https:\/\/demo.zedabbystrica.sk\/en\/wp-json\/wp\/v2\/dt_portfolio_tags?post=985"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}