Pavement Design Mock Test 7

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Question 1 of 10

1. Flexural strength of concrete forms the criterion to evaluate the strength of pavement concrete.

True

False

Question 1 of 10

Question 2 of 10

2. What is the equation used to compute the load transfer capacity of a dowel bar in shear?

\(P^{'}=0.785d^2 F_s\)

\(P^{'}=0.578d^2 F_s\)

\(P^{'}=\frac{2d^3 F_f}{L_d+8.8δ^{'}}\)

\(P^{'}=\frac{F_b L_d^2 d}{12.5(L_d+1.5δ^{'})}\)

Question 2 of 10

Question 3 of 10

3. The equation \(f_{cr}=0.49f_{ck}^{0⋅55}\) to find the flexural strength of concrete was given by ______

IRC 58:2002

IS 456:2000

Croney and Croney

AASHTO

Question 3 of 10

Question 4 of 10

4. The filler material must be inelastic in nature.

True

False

Question 4 of 10

Question 5 of 10

5. The maximum diameter of tie bars may be limited to 20 mm to ______

Resist bending

Resist warping

Permit warping

Permit bending

Question 5 of 10

Question 6 of 10

6. The IRC method of rigid pavement design consists of the determination of various parameters. Which of the below options represents the order of designing the parameters?

Slab thickness, joint spacing, dowel and tie bar design

Slab thickness, stress determination, dowel and tie bar design

Joint spacing, slab thickness, dowel and tie bar design

Slab thickness, dowel and tie bar design

Question 6 of 10

Question 7 of 10

7. What is the expansion joint spacing design based on?

Length of pavement

Width of pavement

Length of joint

Width of joint

Question 7 of 10

Question 8 of 10

8. Which of the following is not a type of joint arrangement placed in the transverse direction?

Straight

Skewed

Staggered

Uniform

Question 8 of 10

Question 9 of 10

9. Design a tie bar if the trial thickness of 30 cm was found safe. The other details are:
Width of the lane = 3.5 m.
Allowable working stress in concrete = 1250 kg/cm²
Unit weight of concrete = 2400 kg/m³
Coefficient of friction = 1.5
Allowable bond stress in plain bars = 17.5 kg/cm²
Allowable tensile stress in plain bars = 1250 kg/cm².

12 mm diameter bar of 60 cm length placed at 40 cm spacing

14 mm diameter bar of 58 cm length placed at 38 cm spacing

14 mm diameter bar of 60 cm length placed at 40 cm spacing

12 mm diameter bar of 58 cm length placed at 38 cm spacing

Question 9 of 10

Question 10 of 10

10. What stresses are to be computed if critical combination during day time is to be found out?

Corner stresses

Edge stresses

Load stresses

Warping stresses

Question 10 of 10