Download GTU B.Tech 2020 Summer 6th Sem 2160603 Railway, Bridge And Tunnel Engineering Question Paper

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GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER- VI EXAMINATION — SUMMER 2020

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Instructions:

1. Attempt all questions.

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2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.

Q.1

1. Compare railway transportation and road transportation 03
2. Define and state the effect of creep. Explain theory of creep. 04

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3. Define and explain the following : Ruling Gradient, super elevation, cant deficiency, negative super elevation , grade compensation 07

Q.2

1. Draw a neat sketch of Right hand turn out in railways. 03
2. Differentiate between (1) Station and Yard (ii) Junction and Terminal station 04
3. Describe in detail the Safety in railways — accidents and remedial measures.. 07
   

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   OR
   Describe in detail the Interlocking of signals and points 07

Q.3

1. Cross section of Permanent way a railway track in embankment.. 03
2. Explain the stages of construction of new railway line. 04

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3. Describe in detail the drainage, maintenance works for a railway track 07
   OR
   

Q.3

1. Enlist the points to be considered for the site selection for construction of a bridge. 03

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2. Enlist the function of bearing in the bridge. Explain rocker and roller bearing 04
3. Explain the following (1) Abutment (ii) Bearing (iii) Afflux (iv) Ease water (v) cut water (vi) Economic span of bridge (vii) wing wall 07

Q.4

1. Enlist and explain the advantages of various temporary and movable bridges 03
2. Describe the method of erection of steel girder bridge 04

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3. Discuss the methods of testing and strengthening of bridges. 07
   OR
   

Q.4

1. Give classification of Tunnels with respect to shape and purpose. 03

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2. Write short note on “Safety Precautions in tunneling” 04
3. Discuss in detail the river training works . with neat sketches 07

Q.5

1. State the importance of the alignment of a tunnel and Shafts 03
2. Explain with neat sketch one method of Tunneling in Hard Rock . 04

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3. Discuss about (i) Tunnel lining (ii) Lighting in tunnels 07
   OR
   

Q.5

1. Why drainage is necessary in tunnel, explain one method of drainage system. 03

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2. Explain with neat sketch one method of Tunneling in Soft ground 04
3. Discuss with neat sketch the method for ventilation during tunnel construction and the measures taken for dust control. 07

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