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For Pavement Condition
B
(PCI between 70 and 85)
Retrieved from CALTRANS, Maintenance Technical Advisory Guide (MTAG)
Rejuvenating emulsions can be applied as a fog seal when the level of surface distresses is greater than what would normally be used as a criterion for typical chip or fog seals. The major benefit of a rejuvenating seal is to improve the flexibility of the asphalt surface by restoring oxidized components in the asphalt binder and to further slow down the rate of aging and oxidization.
- 2 to 4 years of life extension depending on the existing conditions
Issues Addressed
- Minor surface cracks
- Oxidation
- Raveling
Attributes
- Corrects pavements exhibiting minor segregation, raveling, poor compaction.
- Protects the pavement structure from moisture intrusion and oxidation.
- Seal pavements that are 1 to 4 years old to extend pavement life before the use of a wear course seal is required. This improvement may delay the need for major maintenance or rehabilation.
- Improves road saftey by enhancing color contrast between pavement surface and road markings