MORE IN Transportation Engineering - 1
MU Civil Engineering (Semester 5)
Transportation Engineering - 1
December 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

Attemptt any four.
1 (a) What roles do transport infrastructure of a country play? Enlist the different modes of transport and their characteristics.
5 M
1 (b) Write short notes on : Transit sheds and ware houses.
5 M
1 (c) On a particular track, the speeds of various trains are: 10 trains at 50 kmph, 8 trains at 55 kmph, 4 trains at 60 kmph. Calculate the weighted average speed and find out its deviation from the maximum speed.
5 M
1 (d) What is the necessity of visual aids in connection with airport? Name the different visual aids.
5 M
1 (e) Draw a layout of an airport having 2 intersecting runway. Show the markings on it.
5 M

2 (a) It is observed that at present tracks, are mostly laid with Flat-footed rails. Give reasons for this preference in relation to other types of rail section.
8 M
2 (b) Calculate and show it in diagram the elements required to set out a 1 in 8.5 turnout with switch angle of 1°34'27'. Use the IRS method.
12 M

3 (a) Explain the necessity of sleepers in railways track. Using sleeper density of M+6, estimate that quantity of track material required for constructing a B.G railway track that is 6 km long. If the length of the rail is 13 m.
10 M
3 (b) Briefly discuss the various steps involved in the construction of a new B.G railway line.
10 M

4 (a) What is ballast? Why it is used in the railway track ? Briefly describe the various types and its advantages, disadvantages and suitability.
10 M
4 (b) Calculate actual length of runway required if basic length obtained is 1000 m. The airport is located at an elevation if 120 m. Mean of average daily temperature is 38°C and the Mean of Maximum daily temperature is 47°C. Longitudinal section details are given below.
 End to end of runway (m) Gardient(%) 1 to 400 +1% 400 to 800 -0.8% 800 to 1200 +0.6%
10 M

5 (a) Explain various factors affecting size of Apron. Draw a neat sketch showing the basic parking configurations of aircrafts.
10 M
5 (b) Determine the capacity of 12 gates that serve three classes of aircraft using the following aircraft mix and average gate occupancy time.
 Aircraft Class Mix(%) Average Occpancy Time (min) 1 50 25 2 35 50 3 50 60
10 M

6 The average wind data collected at a particular site is given below. Determine the calm period, the pest orientation of runways and the total wind coverage along the direction of EW and , NS by using wind rose diagram Type IT. Permissible cross wind component is 25 kmph.
 Wind data Wind direction Duration of wind 6.4-25 (kmph) 25-50 (kmph) 50-75 (kmph) N 7.4 2.7 0.2 NNE 5.7 2.1 0.3 NE 3.4 0.9 0.5 ENE 1.2 0.4 0.2 E 0.8 0.2 0.0 ESE 0.3 0.1 0.0 SE 4.3 3.0 0.0 SSE 5.5 3.2 0.0 S 9.7 4.6 0.0 SSW 6.3 3.2 0.5 SW 3.6 1.8 0.3 WSW 1.0 0.5 0.1 W 0.4 0.1 0.0 WNW 0.2 0.2 0.0 NW 5.3 1.9 0.0 NNW 4.0 1.3 0.3
20 M

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