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Objectives

The LIFE NEREiDE project wants to demonstrate the use of new porous asphalt pavements and low noise surfaces composed by recycled asphalt pavements and crumb rubber from scrap tires. These materials will be mixed with binders at warm temperatures to produce warm mixture asphalt pavements with specific benefits.

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The main idea of the Project is to use the crumb rubber from scrap tires for its properties and recycled asphalt pavements as “end of life” materials to substitute virgin aggregates and part of the virgin bitumen. The project will undertake a characterization and qualification of raw materials, and it will find the most suitable manufacturing processes of crumb rubber in order to make it suitable for incorporation in the bitumen. 

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Expected results

The project will allow to reduce the urban noise pollution in the selected sites by at least 5 dB (A), compared to traditional pavements, and 2 dB (A) compared to the other traditional porous asphalt pavements. The safety of road surfaces will be tested and an increase of 20% in road friction is expected; will also be carried out an evaluation of air pollution sustainability in the laying of these special surfaces.

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Partners

Università di Pisa is the Project coordinator, supported by the other partners: ARPAT - regional environmental protection agency of Tuscany; the Belgian Road Research Centre (BRRC); Ecopneus, the leading consortium for the management of ELTs in Italy; Institute of Acoustics and Sensors “O.M. Corbino” of the National Research Council and Tuscany Region.

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