# Analysis and Design of Rigid Pavement – MCQ

## Analysis and Design of Rigid Pavement – MCQ

1. What is the maximum spacing of contraction joints in the case of rigid pavement?

a) 5.5 m
b) 5 m
c) 4.5 m
d) 3.5 m

c) 4.5 m

2. In the case of rigid pavements, the role of an expansion joint is to

a) Reduce the warping stresses.
b) Reduce shrinkage stress.
c) Maintain stress due to expansion.
d) None of these.

a) Reduce the warping stresses

3. When do we expect the Critical combination of stress at edge = Load stress + Warping stress – Frictional stress.

a) During summer mid-day.
b) During summer midnight.
c) During winter mid-day.
d) During winter midnight.

a) During summer mid-day.

4. What is the critical combination of stresses at edge during winter mid-day

a) Load stress + Warping stress + Friction stress.
b) Load stress + Warping stress.
c) Load stress – Warping stress.
d) Load stress + Warping stress – Friction stress.

a) Load stress + Warping stress + Friction stress

5. Dowel bar in concrete pavement is placed in which direction

a) Along the direction of the traffic.
b) Along the perpendicular direction of the traffic.
c) Along 45 to the direction of traffic.
d) None of these.

a) Along the direction of the traffic

6. What are the purposes of providing dowel bar in CC pavement

a) To transfer the load from one slab to another.
b) To keep the two slab in same height.
c) Both (a) and (b).

c) Both (a) and (b).

7. The joints which are parallel to the center-line of the road, are known as

a) Expansion joints.
b) Transverse joints.
c) Longitudinal joints.
d) None of the above.

c) Longitudinal joints

8. Falling weight deflectometer(FWD) is an equipment are used to measure

a) Surface roughness of a pavement.
b) Structural capacity of the pavement.
c) Curvature of a horizontal curve.
d) Impact value of road aggregate.

b) Structural capacity of the pavement

9. If a slab cools uniformly then the crank due to temperature stress will develop at

a) Center
b) Near Edge
c) Corners
d) Near edges and corners

d) Near edges and corners

10. The gap width for the expansion joint is in between

a) 10 mm to 15 mm.
b) 20 mm to 25 mm.
c) 30 mm to 35 mm.
d) 40 mm to 45 mm.