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Which material is commonly used as a filler in highway construction to improve the stability of the pavement layers?
36. Which material is commonly used as a filler in highway construction to improve the stability of the pavement layers?
- Concrete
- Bentonite
- Aggregate
- Asphalt
Answer
The correct answer is: C) Aggregate
Explanation
In highway construction, fillers like crushed stone, gravel, and sand are commonly utilized to give support, stability, and drainage capabilities.