Question

Which of the following methods is most suitable for the design of flexible pavements in high-traffic areas?

• A. Group Index Method
• B. CBR Method
• C. Triaxial Test Method
• D. Plate Load Test

Hint:

CBR Method is preferred for its balance of simplicity and effectiveness in pavement design.

Answer 1

The Correct Option is B

Step 1: Understand pavement design
Flexible pavements require methods to assess soil strength and traffic load capacity.
Step 2: Evaluate options
Group Index Method: Used for soil classification, not design.
CBR Method: Measures soil strength (California Bearing Ratio) and is widely used for flexible pavement design.
Triaxial Test: Useful for shear strength, but complex for routine design.
Plate Load Test: Tests bearing capacity, less practical for high-traffic design.
Step 3: Select best method
CBR Method is standard for high-traffic flexible pavements due to its reliability and applicability.