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Dust suppressants efficiency study: in situ measurements of dust generation on gravel roads
Högskolan Dalarna, Akademin Industri och samhälle, Vägteknik. KTH.
Högskolan Dalarna, Akademin Industri och samhälle, Vägteknik.
2012 (engelsk)Inngår i: The international journal of pavement engineering, ISSN 1029-8436, E-ISSN 1477-268X, Vol. 13, nr 1, s. 11-31Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Dust suppressants were applied on fifteen 1 km long test sections at four sites in Sweden during three summer seasons with the objective to compare their relative efficiency and determine minimum application rates in Nordic climate. Dust generation from the test sections was measured both visually and by PM10 measurements. All products except lignosulphonate, sugar and bitumen emulsion showed acceptable efficiency. Chloride solutions were the most efficient. Results indicate the possibility to reduce application rates of chlorides by applying them as solutions instead of solids. The minimum application rate for a chloride solution was estimated at 0.8m(3)/km, which is equivalent to a rate reduction of 50% by weight compared with traditionally applied rates of solid chloride. The results are expected to reduce life cycle costs for gravel roads and contribute to environmental gains by reducing the release of dust into the atmosphere and chemicals into the environment.

sted, utgiver, år, opplag, sider
2012. Vol. 13, nr 1, s. 11-31
Emneord [en]
gravel roads, field study, dust suppressants efficiency, cost analysis, environmental impact
HSV kategori
Forskningsprogram
Komplexa system - mikrodataanalys
Identifikatorer
URN: urn:nbn:se:du-10259DOI: 10.1080/10298436.2011.561844ISI: 000301746900002OAI: oai:DiVA.org:du-10259DiVA, id: diva2:538030
Tilgjengelig fra: 2012-06-28 Laget: 2012-06-28 Sist oppdatert: 2017-12-07bibliografisk kontrollert

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