{"id":4418,"date":"2021-11-29T06:56:59","date_gmt":"2021-11-29T11:56:59","guid":{"rendered":"http:\/\/efterklang.org.hemsida.eu\/projects\/the-asa-tunnel-kungsbacka\/"},"modified":"2024-02-21T10:35:36","modified_gmt":"2024-02-21T09:35:36","slug":"asatunnelen-kungsbacka","status":"publish","type":"projects","link":"https:\/\/efterklang.org\/no\/projects\/asatunnelen-kungsbacka\/","title":{"rendered":"\u00c5satunnelen, Kungsbacka"},"content":{"rendered":"<h6>Bakgrunn<\/h6>\n<p class=\"p1\">Utvidet sikkerhets- og vibrasjonsanalyse for bergtunneler som grunnlag for beregningsmodell for \u00e5 beregne vibrasjonsspredning fra jernbanetunneler.<\/p>\n<h6>Oppdrag<\/h6>\n<p class=\"p1\">P\u00e5 oppdrag av Implenia Sverige AB har Efterklang gjort verifisering av vibrasjonsm\u00e5linger i \u00c5satunnelen i Kungsbacka kommune som grunnlag for en beregningsmodell for \u00e5 beregne vibrasjonsspredning fra jernbanetunneler. Jernbanetunnelen er en del av vestkystbanen som strekker seg mellom G\u00f8teborg og Lund. Ved \u00e5 utf\u00f8re m\u00e5linger kan tiltak optimaliseres for \u00e5 beskytte beboere og bedrifter i n\u00e6romr\u00e5det mot fremtidige jernbanetunneler.<\/p>\n<p class=\"p1\">\u00c5satunnelen har banefundament med ballast og underballast. En rekke ulike typer tog trafikkerer vestkystbanen. Dette inkluderer godstog, regionale tog, \u00d8resundst\u00e5g og X2000. Efterklangs oppdrag p\u00e5gikk kontinuerlig i en m\u00e5ned, med nesten 3000 registrerte togpassasjerer. Vibrasjonsniv\u00e5er i tunnelvegg ble registrert som smalb\u00e5ndsniv\u00e5er opp til 1kHz. Det er samlet inn en enorm mengde data for mulig fremtidig analyse.<\/p>\n<h6 class=\"p1\">Resultat<\/h6>\n<p class=\"p1\">Sammen med tidligere m\u00e5lte overf\u00f8ringsfunksjoner ble m\u00e5lt kildestyrke i \u00c5satunnelen brukt som inndata til validering av en beregningsmodell. Beregningsmodellen brukes til \u00e5 beregne kjernest\u00f8yniv\u00e5er fra fremtidig togtrafikk i Varbergtunnelen til omkringliggende boliger.<\/p>\n<p class=\"p1\">Oppdraget ble gjennomf\u00f8rt fra november 2019 til januar 2020.<\/p>\n<p>&nbsp;<\/p>\n<p>Bilde: Illustrerende<\/p>\n","protected":false},"featured_media":3747,"template":"","project_category":[241,286,251],"country":[332],"sector":[370],"class_list":["post-4418","projects","type-projects","status-publish","has-post-thumbnail","hentry","project_category-vibrasjoner","project_category-handlingsplaner-2","project_category-vibrasjonskartlegging","country-sweden-no","sector-jernbane-trikk-og-t-bane"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u00c5satunnelen, Kungsbacka - Efterklang<\/title>\n<meta name=\"description\" content=\"Efterklang har etablert verifiserende vibrasjonsm\u00e5linger i \u00c5satunnelen i Kungsbacka kommune.\" \/>\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\/projects\/asatunnelen-kungsbacka\/?lang=no\" \/>\n<meta property=\"og:locale\" content=\"nb_NO\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u00c5satunnelen, Kungsbacka - 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