Superpave5: How Increasing Air Voids Can Improve Asphalt Pavement Durability

Asphalt mix design has always been considered a balance of rutting resistance and durability. The conventional Superpave mix design system targets 4% air voids during design and is referred to in this circular as Superpave4. The Superpave5 concept is a modification to the conventional Superpave4 approach.

Transportation Research Circular E-C300: Superpave5: How Increasing Air Voids Can Improve Asphalt Pavement Durability, from the Transportation Research Board, captures information exchanged during the 101st TRB Annual Meeting in Workshop 1029.