{"id":4408,"date":"2021-11-24T11:51:38","date_gmt":"2021-11-24T16:51:38","guid":{"rendered":"http:\/\/efterklang.org.hemsida.eu\/projects\/the-marieholm-tunnel-gothenburg\/"},"modified":"2024-03-15T14:16:17","modified_gmt":"2024-03-15T13:16:17","slug":"marieholmstunneln-goteborg","status":"publish","type":"projects","link":"https:\/\/efterklang.org\/sv\/projects\/marieholmstunneln-goteborg\/","title":{"rendered":"Marieholmstunneln, G\u00f6teborg"},"content":{"rendered":"<h6>Bakgrund<\/h6>\n<p class=\"p1\"><span class=\"s1\">Marieholmstunneln \u00e4r en 500 meter l\u00e5ng v\u00e4gtunnel under G\u00f6ta \u00e4lv i G\u00f6teborg. Tunneln knyter ihop Hisingen och G\u00f6teborgs hamn med centrala G\u00f6teborg, och underl\u00e4ttar f\u00f6r ett stort antal resen\u00e4rer varje dag. Tunneln \u00e4r en s\u00e4nktunnel, den tredje i sitt slag i Sverige. Den best\u00e5r av gigantiska betongelementet som \u00e4r monterade p\u00e5 tio meters djup. Varje betongelement motsvarar en fotbollsplan i storlek och v\u00e4ger 25 000 ton. <\/span><\/p>\n<h6>Uppdrag<\/h6>\n<p class=\"p1\"><span class=\"s1\">Efterklang har haft i uppdrag av Trafikverket att genomf\u00f6ra m\u00e4tningar av undervattensljud och undervattensbuller\u00a0 i G\u00f6ta \u00e4lv vid byggnation samt tippning av bergkross fr\u00e5n pr\u00e5m under 2018. Syftet var att unders\u00f6ka om undervattensbuller fr\u00e5n byggarbeten p\u00e5verkade den lax som simmar upp genom \u00e4lven. M\u00e4tningar genomf\u00f6rdes med hydrofoner p\u00e5 20 respektive 60 meters avst\u00e5nd fr\u00e5n tunnelsegmenten. <\/span><\/p>\n<h6>Resultat<\/h6>\n<p class=\"p1\"><span class=\"s1\">M\u00e4tningarna visade att arbete med tippning av bergkross, inte p\u00e5verkade laxen negativt. De uppm\u00e4tta niv\u00e5erna klarade med god marginal riktv\u00e4rdet uppst\u00e4llt av L\u00e4nsstyrelsen och inga ytterligare bullerd\u00e4mpande \u00e5tg\u00e4rder bed\u00f6mdes som n\u00f6dv\u00e4ndiga. <\/span><\/p>\n","protected":false},"featured_media":11303,"template":"","project_category":[235,305],"country":[333],"sector":[378],"class_list":["post-4408","projects","type-projects","status-publish","has-post-thumbnail","hentry","project_category-buller","project_category-bullerkartlaggning","country-sverigesweden-sv","sector-vag"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Marieholmstunneln, G\u00f6teborg - Efterklang<\/title>\n<meta name=\"description\" content=\"Efterklang har gjort undervattensm\u00e4tningar i G\u00f6ta \u00c4lv f\u00f6r att s\u00e4kerst\u00e4lla att laxen inte p\u00e5verkades av byggnadsarbeten.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/efterklang.org\/sv\/projects\/marieholmstunneln-goteborg\/\" \/>\n<meta property=\"og:locale\" content=\"sv_SE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Marieholmstunneln, G\u00f6teborg - 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