{"id":8976,"date":"2022-05-16T09:17:30","date_gmt":"2022-05-16T07:17:30","guid":{"rendered":"https:\/\/efterklang.org\/?post_type=projects&#038;p=8976"},"modified":"2022-05-16T09:24:54","modified_gmt":"2022-05-16T07:24:54","slug":"swerock-normstorp-linkoping","status":"publish","type":"projects","link":"https:\/\/efterklang.org\/sv\/projects\/swerock-normstorp-linkoping\/","title":{"rendered":"Swerock, Normstorp Link\u00f6ping"},"content":{"rendered":"<h6>Bakgrund<\/h6>\n<p>Swerock driver en bergt\u00e4kt i Normstorp i Link\u00f6pings kommun. I samband med att bolaget ans\u00f6kte om tillst\u00e5nd att ut\u00f6ka brytomr\u00e5det kom fr\u00e5gan om eventuella impulsljud fr\u00e5n skutknackning upp. Skut \u00e4r spr\u00e4ngsten som \u00e4r f\u00f6r stor f\u00f6r att matas in i en kross och beh\u00f6ver d\u00e4rf\u00f6r knackas s\u00f6nder. Detta g\u00f6rs normalt med en gr\u00e4vmaskin med hydraulhammare, s\u00e5 kallad skutknackning.<\/p>\n<p>Enligt Naturv\u00e5rdsverkets v\u00e4gledning om externt industribuller skall kraven sk\u00e4rpas med 5 dB om ofta \u00e5terkommande impulsljud f\u00f6rekommer vid bost\u00e4der.<\/p>\n<h6>Uppdrag<\/h6>\n<p>Efterklang har utf\u00f6rt m\u00e4tningar av impulsljud vid en m\u00e4ngd olika situationer i nuvarande brytomr\u00e5de vilket gav en god k\u00e4nnedom om befintlig verksamhet. F\u00f6r att bed\u00f6ma impulsljud fr\u00e5n det ut\u00f6kade brytomr\u00e5det har vi ocks\u00e5 utvecklat en egen ber\u00e4kningsmetod som ger m\u00f6jlighet att i f\u00f6rv\u00e4g identifiera eventuella behov av bullerd\u00e4mpande \u00e5tg\u00e4rder f\u00f6r specifika brytl\u00e4gen i den ans\u00f6kta verksamheten.<\/p>\n<h6>Resultat<\/h6>\n<p>I tillst\u00e5ndspr\u00f6vningen var buller i allm\u00e4nhet och impulsljud i synnerhet den allra viktigaste fr\u00e5gan. Med Efterklangs hj\u00e4lp har Swerock kunnat visa att verksamheten klarar g\u00e4llande riktv\u00e4rden och att impulsljud fr\u00e5n skutknackning kan undvikas genom att utf\u00f6ra bullerd\u00e4mpande \u00e5tg\u00e4rder. Under 2019 gav Mark- och milj\u00f6domstolen bolaget tillst\u00e5nd till att bedriva den ans\u00f6kta verksamheten.<\/p>\n","protected":false},"featured_media":8984,"template":"","project_category":[235,302,306,312],"country":[333],"sector":[363,356],"class_list":["post-8976","projects","type-projects","status-publish","has-post-thumbnail","hentry","project_category-buller","project_category-bullermatning","project_category-bullerutredning","project_category-atgardsforslag","country-sverigesweden-sv","sector-gruv-och-metallindustri","sector-tillverkande-industrier"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Swerock, Normstorp Link\u00f6ping - Efterklang<\/title>\n<meta name=\"description\" content=\"Efterklang har utvecklat en egen ber\u00e4kningsmetod f\u00f6r att bed\u00f6ma impulsljud fr\u00e5n Swerocks brytomr\u00e5de i Normstorp.\" \/>\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\/swerock-normstorp-linkoping\/\" \/>\n<meta property=\"og:locale\" content=\"sv_SE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Swerock, Normstorp Link\u00f6ping - 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