The position of base course in a flexible pavement is ____.
A. below the sub-base
B. over the sub-grade but below the sub-base
C. over the wearing course when renewal of surface is needed
D. over the sub-base
Answer:D
The position of base course in a flexible pavement is ____.
A. below the sub-base B. over the sub-grade but below the sub-base C. over the wearing course when renewal of surface is needed D. over the sub-base
Explanation: The pavements which have low or negligible flexural strength and are rather flexible in their structural action under the loads are Flexible Pavements. A typical flexible pavement consists of four components: