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Use of scrap tyres as insulation layer in road construction
Luleå tekniska universitet, Institutionen för samhällsbyggnad och naturresurser, Geoteknologi.ORCID-id: 0000-0002-1365-8552
2007 (Engelska)Ingår i: Proceedings of the 8th International Symposium on Cold region Development ISCORD 2007: September 25-27, 2007, Tampere, Finland, RIL - Finnish Association of Civil Engineers, 2007Konferensbidrag, Publicerat paper (Refereegranskat)
Abstract [en]

Used tyres are not allowed to be placed on landfills any more, but can be used as insulation materials with very good results. The present paper describes a study in which tyre shreds (50mm * 50 mm) were used as insulation material in a road construction. The tyre shreds had a thickness of 600 mm and were covered with 875 mm of road  superstructure. The effect of the layer on frost depth and frost heave was measured during three winters. As scrap tyres are a highly elastic the bearing capacity and Young's module were measure directly on the road by the use of a falling weight deflectometer. The potential environmental impact was also studied. The scrap tyres showed a very good insulation performance, mostly due to its high porosity. Effects of frost action were not visible or recorded. The studied construction had deformation pattern of the road surface was within acceptable limits. The environmental impact was studied before the pavement was placed at the top and therefore leakage could be detected.

Ort, förlag, år, upplaga, sidor
RIL - Finnish Association of Civil Engineers, 2007.
Nationell ämneskategori
Geoteknik
Forskningsämne
Geoteknik
Identifikatorer
URN: urn:nbn:se:ltu:diva-35281Lokalt ID: 9bea8240-88bc-11de-8da0-000ea68e967bOAI: oai:DiVA.org:ltu-35281DiVA, id: diva2:1008533
Konferens
International Symposium on Cold Region Development : 25/09/2007 - 27/09/2007
Anmärkning
Godkänd; 2007; 20090814 (svek)Tillgänglig från: 2016-09-30 Skapad: 2016-09-30 Senast uppdaterad: 2023-09-06Bibliografiskt granskad

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Edeskär, TommyKnutsson, Sven

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