Definition
The wearing away of the pavement surface caused by loss of asphalt binder and dislodging of aggregate particles. Also called raveling. Measured in square feet.
In context
Weathering and raveling describe the same surface wear.
Distress
Weathering
Related Terms in Distress
Browse the full glossary →Distress
Raveling
The wearing away of the pavement surface caused by dislodging of aggregate particles and loss of asphalt binder. Also ca…Distress
Bleeding
A film of bituminous material on the pavement surface that creates a shiny, glass-like, reflecting surface. Usually caus…Scoring
SDI
Surface Distress Index (RT-SDI). A 0-100 score built on the FHWA Surface Distress Index methodology with weighted catego…Scoring
Pavement Surface Distress Index
Surface Distress Index (SDI / RT-SDI). A 0-100 score isolating surface-level deterioration — raveling, bleeding, weather…Distress
Alligator Cracking
Interconnected cracks forming a pattern resembling alligator skin. Indicates structural failure of the pavement, often c…Distress