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What is the primary cause of edge cracking in pavements?

56. What is the primary cause of edge cracking in pavements?

1. Poor drainage
2. Inadequate compaction
3. Thermal expansion and contraction
4. Traffic loading near pavement edges

Answer

The correct answer is: D) Traffic loading near pavement edges

Explanation

Edge cracking in pavements is primarily caused by the concentration of traffic loading near pavement edges, leading to localized stress and cracking.