Computer · Highway Engineering
What is the typical composition of a flexible pavement layer-by-layer from bottom to top?
- 1Subgrade → Sub-base → Base course → Surface course✓
- 2Wearing course → Subgrade → Base course
- 3Surface course → Sub-base → Subgrade
- 4Sub-base → Wearing course → Subgrade
Correct answer
Subgrade → Sub-base → Base course → Surface course
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