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PoroElastic Road SUrface: an innovation to Avoid Damages to the Environment

PoroElastic Road SUrface: an innovation to Avoid Damages to the Environment

Objective

Low-noise road surfaces are recognized as a cost-effective tool for traffic noise abatement. The best performance can be achieved by optimizing surface texture and porosity. That way, a bottom line of a 3dB lifetime average reduction with respect to ordinary asphalt has been reached. Any progress must resort to another noise-relevant characteristic i.e. elasticity by which the noise due to tyre vibrations can be suppressed. A recently completed European project has shown that, in order to be effective, the elasticity of the road surface must be in the same range as that of the tyre itself. This explains why previous attempts of incorporating a little rubber in an asphalt mix failed to produce significant noise reductions. The solution consists of a fully rubberized, porous compound: a so-called “PoroElastic Road Surface” (PERS). Trials in Japan and Sweden have demonstrated vehicle noise reduction close to 10 dB. However, that promising technology is not ready for application. The following problems have to be solved: resistance to wear and tear, adhesion to the base, winter maintenance, mechanical behaviour and the following have to be clarified: rolling resistance, skid resistance, frost behaviour, fire hazard, workability and production/laying processes including workers safety. The project aims at developing a durable, cost-effective PERS using scrapped tyres, which would benefit the environment by contributing to abating traffic noise and vibrations but also helping to solve the problem of over 3 million tons of used tyres being dumped or burned every year in the 27 MS. One will take advantage of Swedish and Japanese experience. The former country is represented in the Consortium while the latter will be represented in an External Reference Group. Five countries including two NMS will host the experimental sites and test different variants of mixes and construction methods. One will also analyze the global, possibly positive impact on CO2 emissions.
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Coordinator

CENTRE DE RECHERCHES ROUTIERES - OPZOEKINGSCENTRUM VOOR DE WEGENBOUW

Address

Boulevard De La Woluwe 42
1200 Bruxelles

Belgium

Activity type

Research Organisations

EU Contribution

€ 699 671

Administrative Contact

Harrie Van Hove (Mr.)

Participants (11)

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STATENS VAG- OCH TRANSPORTFORSKNINGSINSTITUT

Sweden

EU Contribution

€ 1 011 249,50

Danish Road Directorate

Denmark

EU Contribution

€ 622 013

NCC Roads A/S

Denmark

EU Contribution

€ 98 748

ZAVOD ZA GRADBENISTVO SLOVENIJE

Slovenia

EU Contribution

€ 187 502

INSTYTUT BADAWCZY DROG I MOSTOW

Poland

EU Contribution

€ 148 834,80

POLITECHNIKA GDANSKA

Poland

EU Contribution

€ 249 924

Dura Vermeer Infrastructuur BV

Netherlands

EU Contribution

€ 16 391

EUROPEAN TYRE RECYCLERS ASSOCIATION

France

EU Contribution

€ 29 323

HET ELASTOMERTECHNIK GMBH

Germany

EU Contribution

€ 138 480

INSTITUT FRANCAIS DES SCIENCES ET TECHNOLOGIES DES TRANSPORTS, DE L'AMENAGEMENT ET DES RESEAUX

France

EU Contribution

€ 135 106

KATHOLIEKE UNIVERSITEIT LEUVEN

Belgium

EU Contribution

€ 39 450

Project information

Grant agreement ID: 226313

Status

Closed project

  • Start date

    1 September 2009

  • End date

    31 August 2015

Funded under:

FP7-ENVIRONMENT

  • Overall budget:

    € 4 650 637,30

  • EU contribution

    € 3 376 692,30

Coordinated by:

CENTRE DE RECHERCHES ROUTIERES - OPZOEKINGSCENTRUM VOOR DE WEGENBOUW

Belgium