The paper "Acoustic properties of high-capacity asphalt mixes with different aggregate sizes" from the Terrestrial Infrastructures area of the Construction Technology Centre has been selected for presentation at the next congress on acoustics organised by the Portuguese Acoustics Association and the European Acoustics Association.
Reducing the sound pressure generated in the tyre-road interaction becomes a key point to reduce traffic noise and to make vehicles quieter both inside and outside. To achieve these benefits, asphalt pavements for noise reduction must have a high percentage of voids (around 15-20%) to allow air to flow through their porous structure, but still show good durability and retain the structural capacity of the bituminous mix layer.
The conclusions will be presented online at Euronoise2021 from 25-27 October.
