Hot mix asphalt
Roads - Flexible and semi-rigid pavement materials

These are mixtures of aggregates and pure or modified bitumen, hot-mixed in a production plant and laid using special equipment called a "paver".

To fully understand the problems facing hot mix asphalt, it is useful to take a brief look at the history of its development in France, largely inspired by the document "Les enrobés bitumineux and distinguish 4 main periods.

• Dense asphalt (1950-1965)

  Designed on the basis of asphalt mixes used in the United States after the Second World War, they developed significant creep...