MORE IN Transport Engineering 1
VTU Civil Engineering (Semester 5)
Transport Engineering 1
June 2014
Total marks: --
Total time: --
INSTRUCTIONS
(1) Assume appropriate data and state your reasons
(2) Marks are given to the right of every question
(3) Draw neat diagrams wherever necessary

1 (a) Explain briefly, the various characteristics of road transport.
6 M
1 (b) Compare the characteristics features of different modes of transportation.
6 M
1 (c) Explain:
i) Jayakar committee recommendations.
8 M

2 (a) Explain the classification of roads as per third 20 year road development plan.
6 M
2 (b) Explain saturation system for phasing the road development programme.
6 M
2 (c) What are the important policies mentioned in vision: 2021 document.
8 M

3 (a) What are the conditions which necessitate taking up a realignment project of a highway?
6 M
3 (b) Define comber. Discuss the factors on which the amount of camber to be provided depends. Specify the recommended ranges of camber for different types of pavement surface.
6 M
3 (c) The speeds of overtaking and over taken vehicles are 80 kmph and 60 kmph respectively. If the acceleration of the overtaking vehicles is 2.5 kmph/s, calculate the safe passing sight distance for two-way traffic, what should be the length of overtaking zone? Show the position of sings by mean of sketch.
8 M

4 (a) Define super elevation. Explain maximum and minimum super-elevation Enumerate the steps for practical design of super-elevatio.
6 M
4 (b) On a highway there is a horizontal curve of radius 400m and length 200m. Computer the set back distance required so as to provide stopping sight distance, for the design speed of 65 kmph. The distance between the centre line of the road and the centre line of inner lane is 1.9m.
6 M
4 (c) Explain:
8 M

5 (a) The properties of subgrade soil are given below:
Passing 75 micron IS sieve =  80%
Liquid limit                          =   58%
Plasticity index                    =   25%
Classify the soil HRB system with group index value.
6 M
5 (b) Compare tar and Bitumen.
6 M
5 (c) Define the K-value. How correction for K-value is made for different plate sizes.
8 M

6 (a) Explain ESWL. How is it determined for dual wheel assembly?
6 M
6 (b) Explain the step involved in the design of flexible pavement as IRC: 37-2001.
6 M
6 (c) Explain the steps involved in design of slab thickness of rigid pavement as per IRC: 58-2002.
8 M

7 (a) Write down the construction steps for wet mix macadam base course.
6 M
7 (b) Explain the construction steps for dry lean concrete subbase.
6 M
7 (c) Explain the significance of highway drainage.
8 M

8 (a) What are the quantifiable and non-quantifiable road user benefits due to the construction of a new highway of improvement of existing highway?
6 M
8 (b) Briefly explain any three methods of economic evaluation of highway projects.
6 M
8 (c) Explain briefly various factors affecting the vehicle operation cost.
8 M

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