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Provsträckor med gummiasfalt: Ragn-Sells infart vid granulatanläggningen, Heljestorp
Swedish National Road and Transport Research Institute, Infrastructure.
Swedish National Road and Transport Research Institute, Infrastructure, Measurement technology and engineering workshop.
Swedish National Road and Transport Research Institute, Infrastructure, Pavement Technology.ORCID iD: 0000-0002-3648-3759
Trafikverket.
2014 (Swedish)Report (Other academic)Alternative title
Test sections with asphalt rubber at Ragn-Sells entrance, Heljestorp (English)
Abstract [sv]

Mer än 150 000 ton gummiasfalt har tillverkats mellan åren 2007–2013 i Sverige för asfaltering av totalt mer än 150 km vägsträckor fördelade på mer än 20 vägobjekt. I det här arbetet redovisas uppbyggnaden och tillståndsutvärderingen av fyra beläggningsytor byggda under hösten 2011 på infarten till Ragn-Sells granulat-anläggning i Vänersborg. Beläggningsytorna är utförda med olika konstruktioner och asfaltbeläggningslager. Syftet är att värdera nyttan med gummiasfalt i olika lager i vägkroppen, främst med avseende på teknisk livslängd. Provytorna har instrumenterats med töjningsgivare i underkant av beläggning. Det konstateras att vägöverbyggnader bestående av gummimodifierat bitumen kan ha betydande positiv inverkan på motstånd mot sprickor baserad på töjningsmätningarna under det första året efter byggandet av provvägen.

Abstract [sv]

More than 150 000 tonnes of rubber asphalt has been manufactured between the years 2007–2013 in Sweden for paving of more than 150 km road sections. Pavement performance of four slightly different road structures constructed during the fall of 2011 is presented in this work. The test sections were instrumented with strain gauges at the bottom of bituminous layers. The objective is to evaluate and demonstrate the performance of asphalt rubber used in various pavement layers with respect to fatigue cracking. It is concluded that the asphalt rubber layers could have significant effect on fatigue cracking of pavement based on strain measurements during the first year after construction of the test road.

Place, publisher, year, edition, pages
Linköping: VTI , 2014. , 36 p.
Series
VTI rapport, ISSN 0347-6030 ; 803
Keyword [en]
Rubber, Bituminous mixture, Surfacing, Experimental road, Laboratory, Test, Measurement, Strain gauge, Falling weight deflectometer, Strain, Fatigue, Cracking
National Category
Other Materials Engineering
Research subject
Road: Materials, Road: Bituminous materials and binders; Road: Highway design, Road: Surfacing
Identifiers
URN: urn:nbn:se:vti:diva-6824OAI: oai:DiVA.org:vti-6824DiVA: diva2:706286
Available from: 2014-03-19 Created: 2014-03-19 Last updated: 2016-02-25Bibliographically approved

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CiteExportLink to record
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Citation style
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