Sathyabama University 2008 B.E Civil Engineering Highway Engineering - Question Paper

SATHYABAMA UNIVERSITY

(Established under section 3 of UGC Act, 1956)

 

Course & Branch: B.E - CIVIL (Part Time)

Title of the paper: Highway Engineering

Semester: III Max. Marks: 80

Sub.Code: 620PT303 (2007 JAN) Time: 3 Hours

 

PART A (10 x 2 = 20)

Answer All the Questions

 

1. What are the requirements for an ideal highway alignment?

 

2. Why are joints provided in cement concrete Road?

 

3. What is equivalent single wheel load?

 

4. Mention the functions of the different components of Rigid pavements.

 

5. What is California Bearing Ratio?

 

6. Distinguish between Bitumen and Tar.

 

7. What is meant by Highway Drainage? What is its significance?

 

8. What are Pot holes? How are they formed?

 

9. List out the different methods of Economic Analysis of Highway Cost.

 

10. Mention the various types of soil stabilizers used.

 

PART B (5 x 12 = 60)

Answer All the Questions

11. Explain the different types of surveys for Highway alignment.

(or)

12. Explain the Construction procedure of Water bound Macadam Road with a neat sketch.

 

13. Design the Flexible Pavement for construction of a new highway with the following data.

Number of Commercial Vehicles as per last count = 1000

Period of construction = 3 years.

Annual Traffic growth Rate = 8%

Category of road = NH, 2 lane single carriageway.

Design Life = 10 years.

(or)

14. Describe the methodology suggested by Indian Road congress for the design of Rigid pavements.

 

15. Explain the following tests conducted on aggregates used for Roads. (a) Crushing Test (b) Impact Test.

(or)

16. Explain following tests conducted on bitumen.

(a) Penetration Test (b) Viscosity Test.

 

17. Explain briefly about sub surface drainage in Highways.

(or)

18. Explain the strengthening of existing Pavement by Benkleman Beam Method.

 

19. (a) Write brief notes on Net Present value method and benefit cost Ratio method.

(b) Give a brief account of Highway Financing in India.

(or)

20. Explain the Principle, application and method of construction of Mechanical Soil Stabilization.