Failure of Flexible Pavement
Flexible pavement failure is defined by the formation of potholes, ruts, cracks, localized depressions and settlement. The failure of any one or more components of the pavement structure such as subgrade, base course, wearing course is liable for pavement failure.
Following are some of the typical flexible pavement failures:
1. Alligator (map) cracking.
2. Consolidation of pavement layers.
3. Shear failure.
4. Longitudinal cracking.
5. Frost heaving.
6. Lack of binding to the lower course.
7. Reflection cracking.
8. Formation of waves and corrugations.
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