Page 24 - UNIT 6 - HIGHWAY MAINTENANCE

Civil Engineering Department | DCC3113 : Highway & Traffic Engineering

Longitudinal cracks

 This types of cracks extents to the full thickness of
pavement.

 Causes
 Low Temperatures

 Differential volume changes in subgrade soil
 Settlement of fill materials

 Sliding of side slopes
 Shrinkage of the asphalt layer

 Cures
 Crack Sealing

 Thick Overlay

Prepared by : SITI ZURAIFA BINTI MD SAH, zuraifa@pmu.edu.my