Important Question for GTU Exam
1. What are the desirable properties of road aggregate used for WBM, WMM and Bituminous layer?
2. Explain the Concept of modulus of resilient of sub base and base course as per IRC 37.
3. Distinguish between flexible and rigid pavement.
4. What are the limitations of Boussinesq’s theory?
5. Elaborate Westergaard’s analysis of stresses for Rigid Pavement.
6. Design the length and spacing of tie bars given that the pavement thickness is 20cm and width of the road is 7m with one longitudinal joint. The unit weight of concrete is 2400 kg/m3 , the coefficient of friction is 1.5, allowable working tensile stress in steel is 1750 kg/cm2 , and bond stress of deformed bars is 24.6 kg/cm2 .
7. Calculate the deflection at the surface of a pavement due to a wheel load of 40 kN and a tyre pressure of 0.5 MN/m2 . The value of E of the pavement and sub-grade may be assumed to be uniformly equal to 20 MN/ m2 .
8. Distinguish between Tar and Bitumen.
9. Discuss about Characterization of Soil for Earthwork and Sub grade.
10. Which are the drainage considerations in pavement design?
11. Explain the CBR method of flexible pavement design, what are its drawbacks?
12. Discuss overview on pavement design for low volume road using locally available material as per IRC SP-72.
13. What is the importance of Joints and its provision in Rigid Pavement?
14. Write short note on: WBM and WMM. 15. Explain the procedure of laying and requirements of Interlocking Concrete Block Pavement (ICBP) as per IRC S 63.
16. What are ESWL and EWL? List the factors influencing them.
17. Outline the general requirements for bituminous mixes?
18. Illustrate the construction procedure of Embankment, Sub-grade and Granular sub base for flexible pavement.
19. What are the common defects, symptoms, location, causes and remedies for bituminous surfaces? 20. What do you understand by White topping and explain ultra-thin white- topping as per IRC SP-76. 21. Summarize Warm mix Asphalt as per IRC SP 101
22. Explain Recycle aggregate pavement as per IRC: 120.
23. Explain the Boussinesq’s theory and how it can be used for design of highway pavement? What are its limitations?
24. What are the different types of joints and what are the IRC guidelines for design of joints?
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