Pavement Materials and Design - Case Studies for Exams

Pavement Materials and Design - Case Studies

Q. In pavement design, what does the term 'subgrade' refer to?

Solution

The subgrade refers to the layer of soil beneath the pavement that supports the pavement structure.

Correct Answer: B — The layer of soil beneath the pavement

Q. What is the primary function of a pavement drainage system?

Solution

The primary function of a pavement drainage system is to prevent water accumulation, which can damage the pavement.

Correct Answer: B — To prevent water accumulation

Q. What is the purpose of a pavement design thickness?

Solution

The thickness of pavement design is crucial to ensure structural integrity and support the expected traffic loads.

Correct Answer: C — To ensure structural integrity

Q. Which factor is most critical in determining the design life of a pavement?

Solution

Traffic volume is the most critical factor in determining the design life of a pavement, as it directly affects wear and tear.

Correct Answer: A — Traffic volume

Q. Which of the following is NOT a type of flexible pavement?

Solution

Portland cement concrete is a type of rigid pavement, not flexible pavement.

Correct Answer: C — Portland cement concrete

Q. Which pavement material is known for its high resistance to deformation under load?

Solution

Concrete is known for its high resistance to deformation under load, making it suitable for heavy traffic areas.

Correct Answer: B — Concrete

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