Factors Contributing to Longitudinal Cracking in Asphalt Pavements in Snowy Cold Regions

Key Points

• The research aims to identify factors contributing to longitudinal cracking in asphalt pavements in cold regions.
• Conducted excavation surveys
• Performed thermal analysis
• Evaluated freezing index over a 10-year period
• Design was deemed appropriate as the thickness did not reach the subgrade.
• Identified materials with water retention and frost susceptibility from excavation.
• Thermal analysis showed that freezing reached the subgrade three times in the past ten years.