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Use of wood ash for road stabilisation
Luleå tekniska universitet, Institutionen för samhällsbyggnad och naturresurser, Geovetenskap och miljöteknik.ORCID-id: 0000-0001-7158-4662
Swedish Geotechnical Institute.
2009 (engelsk)Inngår i: Eleventh International Symposium on Environmental Issues and Waste Management in Energy and Mineral Production: SWEMP 2009, 2009Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

The cementitious properties of many wood ashes makes them a potential stabilising agent for roads that can substitute cement. A test is presently performed using a 30% ash addition to natural soils for reinforcing a forestry road near Timrå, central Sweden. The bearing capacity of forestry roads in Sweden has become increasingly problematic in recent years, due to warmer winters, and in order to get timber out from the forests, road stabilisation is needed, usually adding cement to the road body. Wood ash has similar properties, and may substitute cement. An added advantage of using wood ash is the saving of landfill space. In the ongoing study, laboratory tests on leaching and mechanical stability, frost-sensitivity et c has been performed and a test road was built in June 2009, and will be monitored with regard to environmental impact and mechanical properties. The results so far indicate a strong stabilizing effect of ash additions to the road shoulder material.

sted, utgiver, år, opplag, sider
2009.
HSV kategori
Forskningsprogram
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URN: urn:nbn:se:ltu:diva-30324Lokal ID: 416c2fe0-e333-11de-bae5-000ea68e967bOAI: oai:DiVA.org:ltu-30324DiVA, id: diva2:1003551
Konferanse
International Symposium on Environmental Issues and Waste Management in Energy and Mineral Production : 16/11/2009 - 19/11/2009
Merknad
Godkänd; 2009; Bibliografisk uppgift: CD-ROM; 20091207 (ysko)Tilgjengelig fra: 2016-09-30 Laget: 2016-09-30 Sist oppdatert: 2023-09-06bibliografisk kontrollert

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Lagerkvist, Anders

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