Pavement Design & Highway construction — Winter 2024

What are the desirable properties of a bituminous mix?

Define the terms: resilient modulus, elastic modulus, stiffness modulus, dynamic modulus

Enlist various tests on aggregates and explain any two in detail.

Identify the difference between standard axle load and legal axle load.

Explain the difference in analysis approach between the concrete and bituminous pavements.

Explain various types of joints used in concrete Pavements. Point out the differences in their functions.

Explain the subgrade rutting criteria and fatigue cracking criteria for bituminous layer.

Draw the cross section of a typical bituminous pavement showing all its components.

Briefly discuss the criteria for pavement design of low volume road as per IRC SP-62.

Explain the boundary conditions and circular loading concept for Boussinesq’s problem.

Mention the advantages and disadvantages of full depth bituminous pavement.

Explain the differences in design principles for design of dowel bar and tie bar systems.

Explain the use of dry lean concrete in rigid pavement construction as per IRC-49.

How is the quantity of lime decided in soil-lime stabilization?

Explain the concept and procedure of recycling of bituminous pavement.

Describe the strength requirements as per guidelines of IRC SP 63.

Distinguish between tack coat, seal coat and prime coat.

Write a note on Interlocking Concrete Block Pavement (ICBP).

Describe the symptoms, location and causes of raveling in bituminous layer.

Write the causes of pavement bleeding.

Explain the moisture susceptibility in warm mix asphalt as per IRC SP 101.

Explain the criteria for selection of preventive maintenance treatment of pavements.

Discuss the benefits of white topping on existing bituminous pavements.

Write a note on micro surfacing in pavements.

Write a note on (i) Cold in place (CIP), (ii) Hot in place (HIP)