Sound-absorbing highway pavement and procedure for its realisation

摘要

Sound-absorbing highway pavement comprising: - an upper layer 10, consisting of a wearing surface of medium granulometry asphalt, and - a lower layer 12 supporting the wearing surface 10, of cement, concrete, or similar materials, in which a plurality of cavities 18 are produced in said lower layer 12, directly facing the upper layer 10, which function as Helmholtz resonators. IMAGE