Dr.A.P.J.Abdul Kalam University Old Question Papers
Bachelor of Engineering
Eighth Semester Main Examination, Aug-Sep 2020
Transportation Bridges & Tunnels [CE-802]
Branch-Civil
Time: 3:00 Hrs Max Marks 70
Note: i) Attempt any five questions out of eight.
ii) Answer should be precise & to be point only.
iii) Assume suitable data if necessary & state them clearly.
iv) All questions carry equal marks.
Q.1 (a) Discuss in brief the various tractions on railways.
(b) Describe briefly the suitability of various materials which are commonly used as
ballast in a railway track.
Q.2 (a) What is creep? Discuss the theories propounded to explain probable causes of creep
and what are the effects of creep?
(b) Define gauge of Indian railway track. Enumerate different gauges used in India and
discuss their suitability at different locations?
Q.3 (a) What is cant deficiency?
(b) Draw a neat diagram of simple right hand turnout and show its various component
parts?
Q.4 (a) Explain briefly the different types of station yards
(b) Explain the transition curve and why it is necessary in railway track. Write down
equation for setting this curve.
Q.5 (a) What are the objects of signaling? Describe engineering principles of signaling and
explain the different types of signals used in the station yard.
(b) Explain the economical span of a bridge. Mention the forces acting on a pier
Q.6 (a) What is dead load? Mention some of important empirical formulas which are used to
find it.
(b) Write short note on- (Any Five)
i. Afflux and its importance,
ii. Depth of bridge of foundation,
iii. Alignment of a bridge,
iv. Types of railway bridge,
v. Lining of tunnel,
vi. Shape and size of tunnel
vii. The erection of bridges, strengthening of bridges
Q.7 (a) Explain the different types of railway bridges with the help of neat sketches.
(b) Describe the various method of hard rock tunneling and mention the advantages and
disadvantages of each of them
Q.8 (a) Explain the various types of coffer dams, where they are constructed
also write down procedure of construction
(b) Explain pile foundation and well foundation for bridges with the neat sketches.
Also discuss procedure of sinking of wells
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