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RGPV Civil Engineering (Semester 3)
Transportation Bridges and Tunnels
December 2015
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) Name different types of rails.
2 M
1(b) Name various types of Sleepers.
2 M
1(c) What are requirements of good Ballast?
3 M
Solve any one question from Q.1(d) & Q.1(e)
1(d) Explain problems of non-inform gauges.
7 M
1(e) Discuss the varieties of Tr active Resistances which a locomotive has to overcome.
7 M

2(a) Why super elevation is provided?
2 M
2(b) Why Cant Deficiency is provided?
2 M
2(c) Name different types of curves provided on railway track.
3 M
Solve any one question from Q.2(d) & Q.2(e)
2(d) A 6 degree curve is having speed of 60 KMPH with cart as 12cm. Determine the length of transition curve assuming track to be meter gauge type.
7 M
2(e) Actual cart is 8.24cm for the speed of 60 KMPH on a meter gauge curve. Calculate the grade compensation required on the curve.
7 M

3(a) Define scour Depth.
2 M
3(b) Define clearance of bridge.
2 M
3(c) What are factors affecting site of bridge?
3 M
Solve any one question from Q.3(d) & Q.3(e)
3(d) Explain different types of loads and forces acting on bridges.
7 M
3(e) Discuss different types of highway bridges.
7 M

4(a) When SUSPENSION bridge is selected?
2 M
4(b) What is pile foundation?
2 M
4(c) What are requirements of good bridge foundation?
3 M
Solve any one question from Q.4(d) & Q.4(e)
4(d) Explain cofferdam foundation.
7 M
4(e) Discuss various reasons of bridge failure.
7 M

5(a) What are advantages of tunnel?
2 M
5(b) What are demerits of tunnel is done?
2 M
5(c) How alignment of tunnel is done?
3 M
Solve any one question from Q.5(d) & Q.5(e)
5(d) Explain methods of tunneling through soft soil.
7 M
5(e) Discuss various methods of tunneling in rock.
7 M

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