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Acoustic lifecycle study of the double-layer porous asphalt on E4 in Huskvarna, Sweden
Swedish National Road and Transport Research Institute, Society, environment and transport, Environment.
Gdansk University of Technology (TUG).
Swedish National Road and Transport Research Institute, Society, environment and transport, Environment.ORCID iD: 000-0001-8057-6031
2018 (English)In: INTER-NOISE 2018 - 47th International Congress and Exposition on Noise Control Engineering: Impact of Noise Control Engineering, Institute of Noise Control Engineering , 2018Conference paper, Published paper (Refereed)
Abstract [en]

In 2010 a double-layer porous asphalt concrete (DPAC) pavement was constructed on the E4 motorway through the Swedish city Huskvarna. Earlier experience in Sweden indicated that it was feasible to obtain a high initial noise reduction but due to the widespread use of studded tires in winter, clogging and ravelling created losses of around 2 dB per year, with an expected acoustical lifetime of only 3 years. However, the improved pavement in Huskvarna finally exceeded lifetime and durability expectations by at least 100 %. The first two years, noise reduction fell from the initial 7-8 dB just marginally, compared to an average-age SMA 16 pavement. Now after its 7th year, the pavement had reached its acoustical end of life, with an average noise reduction loss of 0.5 dB per year. This is considered as a break-through for low noise pavements exposed to the winter climate in Sweden and road traffic with most light vehicles equipped with studded tires. This paper presents results of annual noise measurements using the CPX method over the entire lifetime on the DPAC compared to the reference set of SMA 16 pavements. This includes the effects of grinding, cleaning and rejuvenation trials on certain test sections.

Place, publisher, year, edition, pages
Institute of Noise Control Engineering , 2018.
Keywords [en]
Surfacing, Porous asphalt, Noise, Decrease, Motorway, Measurement, Life cycle, Experimental road
National Category
Infrastructure Engineering
Research subject
30 Road: Highway design, 33 Road: Surfacing; 10 Road: Transport, society, policy and planning, 15 Road: Environment
Identifiers
URN: urn:nbn:se:vti:diva-13549Scopus ID: 2-s2.0-85059362566OAI: oai:DiVA.org:vti-13549DiVA, id: diva2:1284044
Conference
47th International Congress and Exposition on Noise Control Engineering: Impact of Noise Control Engineering, INTER-NOISE 2018, 26 August 2018 through 29 August 2018
Available from: 2019-01-30 Created: 2019-01-30 Last updated: 2019-03-14Bibliographically approved

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Sandberg, UlfVieira, Tiago

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CiteExportLink to record
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