{"id":74398,"date":"2026-04-27T11:05:04","date_gmt":"2026-04-27T09:05:04","guid":{"rendered":"https:\/\/www.systra.com\/denmark\/?post_type=projects&p=74398"},"modified":"2026-04-27T11:05:51","modified_gmt":"2026-04-27T09:05:51","slug":"reparation-af-brooverbygning-paa-thorstedvej","status":"publish","type":"projects","link":"https:\/\/www.systra.com\/denmark\/project\/reparation-af-brooverbygning-paa-thorstedvej\/","title":{"rendered":"Reparation af brooverbygning p\u00e5 Thorstedvej"},"content":{"rendered":"\n
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Technical details<\/div>\n \t
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Customer<\/div>\n\t
Vejdirektoratet<\/div>\n\t <\/div>\n
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Dates<\/div>\n

2024-2025<\/p>\n<\/div>\n <\/div>\n

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Missions<\/div>\n
Reparere omfattende hul i brooverbygning fremfor udskiftning, s\u00e5 broen igen kan benyttes<\/div>\n <\/div>\n
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Localisation<\/div>\n
Thorstedvej, Thisted<\/div>\n <\/div>\n
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Activity<\/div>\n
Bror\u00e5dgivning, reparationsstrategi, projektforslag, detailprojektering, udarbejelse af udbudsmateriale, assistance ved kontrahering, fagtilsyn og byggeledelse.<\/div>\n <\/div>\n \n \n <\/div>\n<\/div>\n\n\n\n
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Overf\u00f8rslen af Thorstedvej over Oddesundvej i Thisted blev i februar 2024 p\u00e5k\u00f8rt af en s\u00e6rtransport som transporterede et vindm\u00f8llenav. Broen fik omfattende skader, og ved f\u00f8rste \u00f8jekast stod den til en udskiftning. I stedet for at udskifte broen, analyserede SYSTRA sig frem til at der kunne udf\u00f8res en reparation af overbygningen.<\/p>\n\n\n\n

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Reparation i stedet for udskiftning<\/h2>\n\n\n\n
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Broens overbygning fik omfattende skader i form af et halvcirkelformet gennemlokningsbrud p\u00e5 omtrent 7×5 m i brod\u00e6kkets ene side. Broen er en eftersp\u00e6ndt rammebro fra starten af 90\u2019erne. SYSTRA vandt udbuddet for en udskiftning af broen, da det forud for udbuddet blev vurderet at broen ikke kunne reddes.<\/p>\n\n\n\n

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P\u00e5 baggrund af overslagsberegninger, henvendte SYSTRA sig til Vejdirektoratet om muligheden for at udf\u00f8re en reparation af overbygningen i stedet. Motivationen for at reparere broen frem for at udskifte den var b\u00e5de en besparelse \u00f8konomisk og en b\u00e6redygtig gevinst.<\/p>\n\n\n\n

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iPhonescanning kortlagde skaden<\/h2>\n\n\n\n
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Ved en besigtigelse af skaden i sommeren 2024, fortog SYSTRA en simpel 3D scanning med LIDAR scanner ved brug af en Iphone. Scanningen var en hurtig og effektiv m\u00e5de at kortl\u00e6gge omfanget af skaden, og gjorde at placeringen af armering og kabler kunne m\u00e5les relativt pr\u00e6cist hjemme p\u00e5 kontoret. Punktskyen blev dern\u00e6st sammenlagt med de oprindelige projekttegninger, som grundlag for analyse.<\/p>\n\n\n\n

<\/a><\/p>\n<\/div>\n<\/div>\n\n\n\n

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Analyse af skaden<\/h2>\n\n\n\n
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Skaden havde blotlagt flere af de eftersp\u00e6ndte kabler, hvilket ogs\u00e5 medf\u00f8rte at kablernes kurveforl\u00f8b var \u00e6ndret og en ny ligev\u00e6gt var opn\u00e5et. Analysen skulle tage hensyn til hvordan kr\u00e6fterne fra eftersp\u00e6ndingen havde omfordelt sig i brod\u00e6kket.<\/p>\n\n\n\n

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Analyse af den skadede konstruktion, indikerede at skadens omfang netop ikke var st\u00f8rre end at sp\u00e6ndingerne i brod\u00e6kket holdt sig inden for det tilladelige sp\u00e6ndingsniveau. I designet skulle tages hensyn til de varierende materialeparametre imellem oprindelig konstruktion og ny udst\u00f8bning samt differensbev\u00e6gelser som f\u00f8lge af svind og krybning. Dette blev gjort med en to-stadiet analyse i et FEM program.<\/p>\n\n\n\n

<\/div>\n\n\n\n

Reparationsprojektet blev herefter udt\u00e6nkt med fokus p\u00e5 at minimere indgreb i den uskadte beton.<\/p>\n<\/div>

<\/div>\n\n\n\n
\"\"<\/figure>
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<\/div>\n\n\n\n

en B\u00e6redygtig og \u00f8konomisk fordelagtig l\u00f8sning<\/h2>\n\n\n\n
<\/div>\n\n\n\n

Reparationen af broen p\u00e5 Thorstedsvej har tiltrukket betydelig opm\u00e6rksomhed i branchen. <\/p>\n\n\n\n

<\/div>\n\n\n\n

Historien illustrerer, at det ikke altid er n\u00f8dvendigt at opf\u00f8re nye konstruktioner, og at man i mange tilf\u00e6lde kan v\u00e6lge en alternativ l\u00f8sning, der b\u00e5de kan v\u00e6re \u00f8konomisk fordelagtig og mere b\u00e6redygtig.<\/p>\n\n\n\n

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Afdelingsleder for Broer & Konstruktioner
Julie Bernth har holdt flere opl\u00e6g om reparationen af broen \u2013 bl.a. til Betonreparationsdagen 2026.<\/p>\n\n\n\n

<\/div>\n<\/div><\/div>\n\n\n\n
<\/div>\n\n\n\n
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L\u00e6s mere om broreparationen her<\/a><\/div>\n<\/div>\n\n\n\n
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Broens overbygning fik omfattende skader under p\u00e5k\u00f8rslen af vindm\u00f8llenavet<\/figcaption><\/figure>\n\n\n\n
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Det var b\u00e5de \u00f8konomisk fordelagtig og mere b\u00e6redygtig at reparere broen frem for at udskifte den<\/figcaption><\/figure>\n\n\n\n
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I efter\u00e5ret stod broen f\u00e6rdig og klar til brug igen<\/figcaption><\/figure>\n<\/figure>\n","protected":false},"author":102,"featured_media":75844,"parent":0,"template":"","type-market":[43],"project-market":[],"project-service":[],"project-location":[],"type-service":[],"type-solution":[],"class_list":["post-74398","projects","type-projects","status-publish","has-post-thumbnail","hentry","type-market-broer-konstruktioner"],"acf":[],"yoast_head":"\nReparation af brooverbygning p\u00e5 Thorstedvej - SYSTRA Danmark<\/title>\n<meta name=\"description\" content=\"Reparation af brooverbygning p\u00e5 Thorstedvej - SYSTRA er en af verdens f\u00f8rende ingeni\u00f8r- og r\u00e5dgivningskoncerner med speciale i offentlig transport og mobilitetsl\u00f8sninger.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Reparation af brooverbygning p\u00e5 Thorstedvej\" \/>\n<meta property=\"og:description\" content=\"Reparation af brooverbygning p\u00e5 Thorstedvej - 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