Popouts

A popout is a small piece of pavement that breaks loose from the surface due to freeze-thaw action in combination with expansive aggregates. Popouts usually range from approximately 1 to 4 in (25 to 100 mm) in diameter and from 1/2 to 2 in (13 to 51 mm) deep.

Guidance on identifying and measuring popouts on PCC pavements.
Severity Distress Example Description
N/A Overview photo of a PCC pavement with widespread popouts. The popouts are visible in the photo as 'holes' in the surface where individual pieces of aggregate have come loose from the pavement's surface. No degrees of severity are defined for popouts; however, popouts must be extensive before they are counted as a distress. That is, average popout density must exceed approximately three popouts per square yard (per square meter) over the entire slab area.