Mix Design Fundamentals

Mix Design Fundamentals

Mix Design Fundamentals HMA consists of two basic ingredients: aggregate and asphalt binder.  HMA mix 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...
Mix Design Fundamentals

Hveem Method

Hveem Method WSDOT currently uses the Superpave (Gyratory) mix design method, but historically it used the Hveem method.  Like the Marshall and Superpave methods, the Hveem method has been proven to produce quality HMA from which long-lasting pavements can be...
Mix Design Fundamentals

Superpave (Gyratory) Method

Superpave (Gyratory) Method WSDOT uses the Superpave mix design method (also commonly called the Gyratory mix design method.  Like the Hveem and Marshall methods, the Superpave method has been proven to produce quality HMA from which long-lasting pavements can be...