What does "stripping" refer to in asphalt pavement?

Stripping refers specifically to the phenomenon where the asphalt binder separates from the aggregate particles in an asphalt pavement. This separation can significantly compromise the integrity and performance of the pavement, as the bond between the asphalt and aggregate is crucial for the durability and load-bearing capacity of the pavement. Stripping is often caused by moisture damage, where water infiltrates the pavement structure and weakens the adhesive properties of the binder. When this issue occurs, it can lead to surface raveling, decreased skid resistance, and eventually pavement failure. Understanding stripping is essential for personnel involved in asphalt paving, as it directly impacts the longevity and maintenance needs of asphalt surfaces.