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What is the primary purpose of using fillers in highway engineering?
37. What is the primary purpose of using fillers in highway engineering?
- Increase pavement flexibility
- Reduce pavement thickness
- Improve pavement aesthetics
- Enhance pavement strength
Answer
The correct answer is: D) Enhance pavement strength
Explanation
The overall performance and longevity of the road are improved by fillers, which are employed in highway engineering to strengthen and stabilize pavement layers.