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Coatings 2016, 6(2), 18; doi:10.3390/coatings6020018

Ultra Low Noise Poroelastic Road Surfaces

1
Mechanical Faculty, Technical University of Gdansk, Gdansk 80-233, Poland
2
Belgian Road Research Centre, Brussels1170, Belgium
*
Author to whom correspondence should be addressed.
Academic Editors: Elisabete Fraga de Freitas and Alessandro Lavacchi
Received: 29 January 2016 / Revised: 7 March 2016 / Accepted: 5 April 2016 / Published: 8 April 2016
(This article belongs to the Special Issue Low-Noise Road Surfaces)
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Abstract

Noise is one of the most important environmental problems related to road traffic. During the last decades, the noise emitted by the engines and powertrains of vehicles was greatly reduced and tires became a clearly dominant noise source. The article describes the concept of low noise poroelastic road surfaces that are composed of mineral and rubber aggregate bound by polyurethane resin. Those surfaces have a porous structure and are much more flexible than standard asphalt or cement concrete pavements due to high content of rubber aggregate and elastic binder. Measurements performed in several European countries indicate that such surfaces decrease tire/road noise between 7 dB and 12 dB with respect to reference surfaces such as dense asphalt concrete or stone matrix asphalt. Furthermore, poroelastic road surfaces ascertain the rolling resistance of car tires, which is comparable to classic pavements. One of the unforeseen properties of the poroelastic road surfaces is their ability to decrease the risks related to car fires with fuel spills. The article presents the road and laboratory results of noise, rolling resistance, and fire tests performed on a few types of poroelastic road surfaces. View Full-Text
Keywords: poroelastic road surface; tire/road noise; rolling resistance; road pavement; fire risk poroelastic road surface; tire/road noise; rolling resistance; road pavement; fire risk
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Ejsmont, J.A.; Goubert, L.; Ronowski, G.; Świeczko-Żurek, B. Ultra Low Noise Poroelastic Road Surfaces. Coatings 2016, 6, 18.

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