3.2.3. Hot-mix asphalt (HMA) concrete
The HMA used in the construction is a wearing course. It is a
12.5 mm design level 1 Superpave mixture. The asphalt binder was
classified as PG 76-22M according to the Performance Grade (PG)
specification. The optimum asphalt binder content is 4.1%. The
theoretical maximum density of HMA is 2480 kg/m3.