Pavement Design & Highway construction — Winter 2022

Define: Bitumen, Emulsion, Tar.

Explain the terms: ESWL, EWLF, VDF, modulus of resilient.

Discuss the physical properties requirements for rural road and high- volume road.

Write a note on: drainage consideration in pavement design.

Write a note on: modified bitumen.

Explain the Boussinesq’s theory of stress analysis.

Explain the Burmister’s two-layer and three-layer theory.

Give the requirements of transverse joints and longitudinal joints in rigid pavements.

Explain the fatigue concept used in IIT RIGID as per IRC-58.

Explain the Friberg’s analysis of dowel bar design.

Discuss the importance of lime stabilized subgrade.

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

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

Explain the symptoms and causes of edge-breaking in pavements.

Explain the use of dry lean concrete as subbase for rigid pavement.

Explain with a neat sketch, the transition slab between rigid and flexible pavement.

Explain the symptoms and causes of shallow depressions in pavements.

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

Explain the method of construction of block pavement as per IRC SP 63.

Explain different types of slurry sealing.

Explain the types of defects in bituminous surfacing.

Discuss the attributes and warrants for suitable preventive maintenance treatments as per IRC-82.

Write a note on: Hot in-plant recycling (HIP).

Explain the important properties of bitumen emulsion.

Explain the milling process of reclamation in pavement.