- Iowa Airport Pavement Management System /
- Pavement Inspection /
- PCC Distress Measurement /
- Faulting/Settlement
Faulting/Settlement
Faulting or settlement is a difference of elevation at a joint or crack, and is caused by upheaval or consolidation.
Severity | Distress Example | Description |
---|---|---|
Low | Severity levels are defined by the difference in elevation across the fault, and the associated decrease in ride quality and safety as severity increases. Runways and Taxiways: < 1/4 in (< 6 mm) Aprons: < 1/2 in (< 13 mm) | |
Medium | Runways and Taxiways: 1/4 to 1/2 in (6 to 13 mm) Aprons: 1/2 to 1 in (13 to 25 mm) | |
High | Runways and Taxiways: > 1/2 in (> 13 mm) Aprons: > 1 in (> 25 mm) |