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4. Influence of road surface on noise reduction
4.1 Overview of low-noise road surfaces
The first generation of low-noise surfacings dates back to the mid-1980s, with the development of draining asphalt concrete (BBDr), or traditional draining asphalt mix. The primary aim of these products was to reduce water splashing and improve skid resistance, by infiltrating rainwater through the 4 cm thick surfacing. Open porosity (20-30%), allowing water to circulate internally, was achieved by a discontinuous grading curve (no aggregates between 2 and 6 mm or between 2 and 4 mm) and a very low sand content (10%). These porous asphalt mixes also absorbed sound and limited its propagation, but they also absorbed fine particles, resulting in pore clogging, more or less rapid depending on traffic intensity, and a reduction...
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Influence of road surface on noise reduction
Conclusions
Bibliography
Standards and norms
- AASHTO Standard Method of Test for Measurement of Tire/Pavement Noise using the On-Board Sound Intensity (OBSI) Method, American Association of State Highway and Transportation Officials – Specification - TP 76-10 - 2010
- AFNOR Acoustics – Measuring the influence of road surfaces on traffic noise – Part 1: statistical method - NF EN ISO 11819-1 - 2002
- AFNOR Acoustics – Method for measuring the influence...
Regulations
Law no. 92-1444 of December 31, 1992 on noise abatement, codified in articles L. 571-1 to L. 571-25 of the Environment Code. In particular article 12 (L.571-9) on new infrastructures and article 13 (L.571-10) on the construction of new buildings.
Directive 2002/49/EC on the assessment and management of environmental noise (transposed in France by Order 2004-1199 of November 12, 2004)
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Directory
Manufacturers – Suppliers – Distributors (non-exhaustive list)
Road builders (non-exhaustive list)
Route de France : https://www.routesdefrance.com
URF – Union Routière de France : http://www.unionroutiere.fr
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