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The Svappavaara road test sections: field coring and laboratory tests
Swedish National Road and Transport Research Institute, Infrastructure, Pavement Technology.
Swedish National Road and Transport Research Institute, Infrastructure, Pavement Technology.
2015 (English)Report (Other academic)Alternative title
Teststräckor på E45 vid Svappavaara : provkärnor och laboratorietestning (Swedish)
Abstract [en]

This report describes laboratory testing of specimens taken from four new instrumented test road sections that have been built on E45 close to the Svappavaara municipality in Norrbotten County in Northern Sweden. The structures are located about 100 km north of the Arctic Circle in a climate that is characterized by long cold winters and short mild summers. The four test sections were built in a conventional manner. Each structure is about 200–250-metre-long with a central 100-metre-long part defined as the actual test section. All structures are in total 60 centimetres in thickness resting on top of a 70-centimetre-thick old existing road. The bitumen bound part of all the four structures consists of four layers; a thin surface course layer, two binder layers and a road base layer. All structures have the same wearing course, TSK 16 with a standard 160/220 penetration grade bitumen. The main difference between the structures lies in the binder as well as the two road base layers. As a part of the monitoring programme drilled asphalt specimens were taken in 2013 from the road structure and tested at VTI's material testing laboratory in Linköping. Furthermore, samples were taken from the unbound base course and tested. This report presents the test results for asphalt bound layers as well as for the unbound base course. For the bound layers the testing procedure included volumetric properties, stiffness modulus and fatigue tests for the different types of conventional and polymer modified asphalt mixtures. The tests were conducted in accordance with the Swedish or the equivalent European standards. For the unbound base course fundamental properties were estimated as well as stiffness and permanent deformation properties for different moisture contents.

Abstract [sv]

Detta notat beskriver laboratorieprovningar av provkroppar tagna från fyra vägsträckor på E45 nära Svappavaara i Norrbottens kommun. Sträckorna ligger omkring 100 kilometer norr om polcirkeln i ett klimat som kännetecknas av långa kalla vintrar och korta milda somrar. De fyra teststräckorna är byggda på konventionellt sätt. Varje delsträcka är omkring 200–250 meter lång med en central del på 100 meter som utgör den egentliga teststräckan. Alla konstruktionerna har en överbyggnadstjocklek på 60 centimeter och ligger ovanpå en gammal vägkonstruktion som uppskattas till 70 centimeter i tjocklek. Den bitumenbundna delen består av fyra lager, ett ytlager, bindlager samt två bundna bärlager. Huvudskillnaden i strukturerna ligger i sammansättningen av bindlagret samt de två bundna bärlagren. Hösten 2013 togs borrade kärnor från alla sträckorna som sedan testades i VTI:s laboratorium i Linköping. Dessutom togs det prov från det obundna bärlagret som också testades. Denna rapport presenterar resultaten av laboratorietesterna. För de bundna lagren bestämdes sammansättning, styvhet samt utmattningsmotstånd. Alla tester utfördes enligt svensk eller ekvivalent europeisk norm. För det obundna bärlagret bestämdes några fundamentala egenskaper samt styvhet och permanenta deformationsegenskaper vid olika fuktkvoter.

Place, publisher, year, edition, pages
Linköping: Statens väg- och transportforskningsinstitut, 2015. , 35 p.
Series
VTI notat, 30A-2015
Keyword [en]
Experimental road, Bituminous mixture, Roadbase, Basecourse, Unbound base, Sample (mater), Laboratory (not an organization), Test, Test method
Keyword [sv]
Provvägar, Asfaltmassa, Bärlager, Bindlager, Obundet bärlager, Materialprover, Laboratorium, Test, Testmetoder
National Category
Other Materials Engineering
Research subject
50 Road: Materials, 51 Road: Bituminous materials and binders
Identifiers
URN: urn:nbn:se:vti:diva-8277OAI: oai:DiVA.org:vti-8277DiVA: diva2:885412
Available from: 2015-12-18 Created: 2015-12-18 Last updated: 2016-05-25Bibliographically approved

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Authority records BETA

Erlingsson, SigurdurAhmed, Abubeker

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