HMA consists of two basic ingredients: aggregate and asphalt binder. HMA design is the process of determining what aggregate to use, what asphalt binder to use and what the optimum combination of these two ingredients ought to be. There are several different methods used to go about this process, of which the Marshall and Superpave methods are the most common.
Les Faits – Bitumes
Asphalt Cements – Performance-Graded Asphalt Cements (PGAC), Polymer-Modified Asphalt Cements (PMA), Penetration Viscosity Graded Asphalt Cements,, Specialty Asphalt Cements, Asphalt Additives & Modifiers