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Friday, October 28, 2016

CE2255 Highway Engineering Nov Dec 2010 Question Paper

Anna University Chennai
B.E./B.Tech. DEGREE EXAMINATION, Nov Dec 2010
Question Paper Code:
Civil Engineering
CE2255 Highway Engineering
05th Semester in R-2013/ 04th Semester in R-2008
(Regulation 2008)
Time: Three Hours
Maximum: 100 Marks
New Subject Code in R-2013 is CE6504

Answer ALL questions
PART A - (10 x 2 = 20 marks)

1. How are urban roads classified?
2. State the purpose served by camber.
3. What is meant by off tracking?
4. State the objectives of providing transition?
5. What are the two types of stresses produced by temperature in a concrete pavement?
6. State the function of wearing course?
7. Define Elongation Index
8. Define ‘ Softening point of bitumen’?
9. What is spalling of joint?
10. What are the causes of Pot holes?

PART B - (5 x 16 = 80 marks)

11. (i) State and explain the various types of kerbs.
(ii) How rural roads are classified? Explain
OR
(ii) Write notes on the following :
a. Indian Road Congress
b. Highway Research Board
c. National Highway Authority of India
d. Nagpur road plan

12. a. (i) Why is super elevation provided for pavement in curves? Explain the factors influencing it?
 (ii) Why are extra widening of pavements required in curve?
(OR)
b. (i) Calculate the stopping sight distance for the design speed of 60 Kmph for a two way traffic road & an one way traffic road, take the reaction time of driver as 2.5 Seconds & coefficient of friction as 0.36.
(ii) Under what circumstance summit curves are provided?

13. (a) (i) Explain the factors to be considered in the design of pavements?
(ii) State how variations in climatic conditions affect the design of pavements?
OR
(b). (i) Compare flexible and Rigid pavements.
(ii) What is equivalent single wheel load? Explain briefly.

14. (a) (i) What are the describe properties of road aggregates? Explain briefly.
(ii) Write a note on aggregate impact test ?
OR
(b) Write short notes on the followings:
i. Crushing test
ii. Water absorption test
iii. Ductility test
iv. Viscosity test

15. (a) (i) Explain briefly the procedure of overlays design by Benkelman Beam Method.
(ii) Discuss briefly the different types of failures of rigid pavemets?
OR
(b). (i) Explain the different types of evaluation of pavement surface condition.
(ii) Explain the causes and remedial measures for surface rut.

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