Computer · Highway Engineering - WBM
What is the primary purpose of using screenings in the construction of a Water Bound Macadam (WBM) road layer?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1To provide primary lateral confinement to the base subgrade
- 2To fill up the structural voids present inside the earthen shoulders
- 3To completely prevent the ravelling of the surface stones
- 4To fill up the voids in the compacted layer of coarse aggregates✓
Correct answer
To fill up the voids in the compacted layer of coarse aggregates
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