Utvärdering av städmaskiners förmåga att reducera vägdammsförrådet i gatu- och tunnelmiljöer i Trondheim

Utvärdering av städmaskiners förmåga att reducera vägdammsförrådet i gatu- och tunnelmiljöer i Trondheim

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Sara Janhäll
Karl Andersson
Thomas Lindström

To avoid exceeding the environmental air quality standards for particulate matter (PM10) Norwegian Public Roads Administration Directorate of Public Roads (Statens vegvesen Vegdirektoratet) in Trondheim, Norway, has implemented an attempt to clean a road tunnel and a stretch of road with three different cleaning machines to reduce the amount of dust of the road. A large number of other tests is presented in the main report, while the present report focuses on how large the road dust depot has been before and after cleaning with different machines in the different environments.

The results show that two of the three different machines will reduce the road dust depot efficiently in the street environment, while the road dust depot increases of cleaning in the tunnel environment. One theory might be that this may be due to the fact that even the walls and ceiling are cleaned in the tunnel environment, which could lead to the cleaning moves particles from the ceiling and walls to the road surface. Tunnel cleaning is carried out with the cleaning solution, which gives a different chemical environment, which can dissolve way the dust further down in the texture and make it for the sampler.

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