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The best porous asphalt pavement in Sweden so far
Swedish National Road and Transport Research Institute, Society, environment and transport, Environment.
Technical University of Gdansk (TUG).
2014 (English)In: INTERNOISE 2014 - 43rd International Congress on Noise Control Engineering: Improving the World Through Noise Control, 2014Conference paper, (Refereed)
Resource type
Text
Abstract [en]

In 2010 a double-layer porous asphalt concrete (DPAC) pavement was constructed in various versions on the E4 motorway through the Swedish city Huskvarna. As a result of a court decision the Swedish Transport Administration had to reduce noise emission by applying a low noise road surface that would reduce A-weighted noise levels by 5 dB, as an average.

Earlier experience in Sweden indicated that it was possible to obtain a high initial reduction but due to the widespread use of studded tyres in winter, clogging and ravelling created a loss of around 2 dB per year, with an acoustical lifetime of only 3 years. However, the improved pavement in Huskvarna has exceeded lifetime and durability expectations by at least 100 %. The first three years noise reduction fell from the initial 7-8 dB by about 1 dB, compared to an SMA 16 pavement, and now in its 4th year the main pavement still performs well.

This paper presents results of noise measurements over a 4-year period on various versions of the DPAC and single-layer porous asphalt which were tried at the site. This includes the effects of grinding, cleaning, and rejuvenation. Measurements were made by TUG using the CPX method and two reference tyres.

Place, publisher, year, edition, pages
2014.
Keyword [en]
Porous asphalt, Motorway, Sound level, Decrease, Noise, Measurement
National Category
Infrastructure Engineering
Research subject
30 Road: Highway design, 32 Road: Pavement design
Identifiers
URN: urn:nbn:se:vti:diva-9348Scopus ID: 2-s2.0-84923637024ISBN: 9780909882037 (print)OAI: oai:DiVA.org:vti-9348DiVA: diva2:1047374
Conference
43rd International Congress on Noise Control Engineering: Improving the World Through Noise Control, INTERNOISE 2014, 16 November 2014 through 19 November 2014
Available from: 2016-11-17 Created: 2016-03-02 Last updated: 2016-11-17Bibliographically approved

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CiteExportLink to record
Permanent link

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Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf