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En ny veibro over St\u00f3ra-Lax\u00e1, p\u00e5 grensen mellom Hrunamannarheppur og Skei\u00f0a- og Gn\u00fapverjarheppur kommuner i S\u00f8r-Island, ble offisielt tatt i bruk den13. juli 2023.<\/p>\n
Broen er tofelts, stadst\u00f8pt, etterspennt bjelkebro, bygget ved siden av en ettfelts eldre bro som blir brukt videre og f\u00e5r en ny rolle som en gang- og ridebro. Sammen med byggingen av selve broen omfatter prosjektet bygging av nye veistrekninger p\u00e5 begge sider av broen, utvidelse av T-kryss ved Skar\u00f0svegur og Au\u00f0holtsvegur samt bygging av ridestier.\u00a0 Total lengde p\u00e5 veistrekningen er over 1000 m og ridestien er ca 300 m.<\/p>\n
Noen ulike utfordringer m\u00e5tte overvinnes i byggingen av broen. En av disse var at i januar 2023, n\u00e5r byggingen av brua var i full gang, ryddet elva seg med stor kraft for i St\u00f3ra-Lax\u00e1 kan dramatiske isflom oppst\u00e5 i v\u00e5rl\u00f8sninger.\u00a0 Da det ble klart at disse v\u00e6rforholdene var i ferd med \u00e5 skapes ble det n\u00f8dvendig \u00e5 reagere raskt og redde den uferdige broen med \u00e5 bryte en \u00e5pning i den tilst\u00f8tende veien og dermed avlede elven til en annen l\u00f8p.<\/p>\n
En annen utfordring var at brodekket, som er 145 meter langt, ble st\u00f8pt samtidig og i tillegg midt p\u00e5 vinteren, bare noen dager etter at flommen var slutt. Av den grunn ble det bygget en plastkledd overbygg over hele broen slik at 10 graders temperatur kunne opprettholdes p\u00e5 brodekket under betongarbeidet.\u00a0 Omkring 1.200 kubikkmeter betong ble brukt til brudekket og betongarbeidet varte i 30 timer sammenhengende. Organisering og forberedelse av slikt betongarbeid m\u00e5 gj\u00f8res spesielt n\u00f8ye, bl.a. for det trengs vaktskifter flere ganger i arbeidsperioden som m\u00e5 g\u00e5 helt problemfritt.\u00a0 Alt dette gikk imidlertid veldig bra, og n\u00e5 gjenst\u00e5r en vellykket bro som vil forbedre transporten i dette omr\u00e5det veldig mye.<\/p>\n
VSO er ansvarlig for:<\/p>\n
\u2022 Byggeledelse.
\u2022 Prosjektr\u00e5dgivning.<\/p>\n
Tidspunkt: 2021-2023<\/p>\n
Oppdragsgiver: Vegager\u00f0in (Islandske Veivesenet).
Entrepren\u00f8r: \u00cdstak ehf.<\/p>\n
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En ny veibro over St\u00f3ra-Lax\u00e1 i S\u00f8r-Island, ble offisielt tatt i bruk den13. juli 2023. Noen ulike utfordringer m\u00e5tte overvinnes i byggingen av broen bl.a. varte arbeid ved st\u00f8pning av brodekket i 30 timer og at elva ryddet seg med stor kraft n\u00e5r byggingen av broa var i full gang. <\/p>\n","protected":false},"author":54,"featured_media":61093,"template":"","meta":{"_acf_changed":false,"_et_pb_use_builder":"on","_et_pb_old_content":"
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N\u00fd vegbr\u00fa yfir St\u00f3ru-Lax\u00e1, \u00e1 m\u00f6rkum Hrunamannarhepps og Skei\u00f0a- og Gn\u00fapverjarhepps, var formlega tekin \u00ed notkun 13. j\u00fal\u00ed 2023.<\/p>
Um er a\u00f0 r\u00e6\u00f0a tv\u00edbrei\u00f0a, sta\u00f0steypta, eftirspennta bitabr\u00fa \u00ed fj\u00f3rum h\u00f6fum. N\u00fdja br\u00fain er bygg\u00f0 vi\u00f0 hli\u00f0 einbrei\u00f0rar eldri br\u00faar sem fyrirhuga\u00f0 er a\u00f0 standi \u00e1fram og \u00f6\u00f0list n\u00fdtt hlutverk sem g\u00f6ngu- og rei\u00f0br\u00fa yfir St\u00f3ru-Lax\u00e1. \u00c1samt byggingu sj\u00e1lfrar br\u00faarinnar felst \u00ed verkinu ger\u00f0 n\u00fds vegkafla Skei\u00f0a- og Hrunamannavegar beggja vegna br\u00faarinnar, breikkun T-gatnam\u00f3ta vi\u00f0 Skar\u00f0sveg og vi\u00f0 Au\u00f0holtsveg og ger\u00f0 rei\u00f0st\u00edgs. Heildarlengd vegkafla er r\u00famlega 1.000 m og rei\u00f0st\u00edgs um 300 m.<\/p>
Takast \u00feurfti \u00e1 vi\u00f0 \u00fdmsar \u00e1skoranir vi\u00f0 byggingu br\u00faarinnar.\u00a0 Ein af \u00feeim var a\u00f0 \u00ed jan\u00faar 2023, \u00feegar bygging br\u00faarinnar st\u00f3\u00f0 sem h\u00e6st, ruddi \u00e1in sig me\u00f0 miklum krafti en \u00ed St\u00f3ru-Lax\u00e1 geta komi\u00f0 st\u00f3r krapafl\u00f3\u00f0 \u00ed leysingum. \u00deegar lj\u00f3st var a\u00f0 \u00feessar ve\u00f0ura\u00f0st\u00e6\u00f0ur v\u00e6ru a\u00f0 skapast \u00feurfti a\u00f0 breg\u00f0ast skj\u00f3tt vi\u00f0, til a\u00f0 bjarga \u00f3fullger\u00f0ri br\u00fanni, me\u00f0 \u00fev\u00ed a\u00f0 rj\u00fafa a\u00f0liggjandi veg og beina \u00feannig \u00e1nni \u00ed annan farveg.<\/p>
\u00d6nnur \u00e1skorun var s\u00fa a\u00f0 br\u00faardekki\u00f0, sem er 145 m langt, var steypt \u00ed einu lagi og a\u00f0 auki um h\u00e1vetur, einungis f\u00e1einum d\u00f6gum eftir a\u00f0 fl\u00f3\u00f0inu lauk.\u00a0 Af \u00feeim s\u00f6kum var plastkl\u00e6ddur sk\u00e1li bygg\u00f0ur yfir alla br\u00fana svo h\u00e6gt v\u00e6ri a\u00f0 halda 10 gr\u00e1\u00f0u hita \u00e1 br\u00faardekkinu vi\u00f0 steypuvinnuna.\u00a0 \u00cd br\u00faardekki\u00f0 f\u00f3r um\u00a0 1.200 r\u00fammetrar af steypu og st\u00f3\u00f0 steypuvinnan yfir \u00ed 30 klukkustundir samfleytt.\u00a0 Standa \u00fearf s\u00e9rlega vel a\u00f0 skipulagi og undirb\u00faningi sl\u00edkrar steypuvinnu, m.a. \u00fear sem hafa \u00fearf nokkrum sinnum vaktaskipti \u00e1 t\u00edmabilinu sem ganga \u00feurfa snu\u00f0rulaust fyrir sig. Allt gekk \u00feetta \u00fe\u00f3 me\u00f0 miklum \u00e1g\u00e6tum og eftir stendur vel heppnu\u00f0 br\u00fa sem b\u00e6ta mun samg\u00f6ngur \u00e1 \u00feessu sv\u00e6\u00f0i til muna.<\/p>