GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER- V (New) EXAMINATION - WINTER 2019
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Subject Code: 2150601 Date: 06/12/2019Subject Name: Highway Engineering
Time: 10:30 AM TO 01:00 PM Total Marks: 70
Instructions:
1. Attempt all questions.
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2. Make suitable assumptions wherever necessary.3. Figures to the right indicate full marks.
MARKS
Q.1 (a) Define the following 03
(1) Overtaking Sight Distance (2) Traffic volume (3) Carriage way
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(b) Give the classification of the rural road. 04(c) Derive an expression for calculating Stopping sight distance on a 07
highway.
Q.2 (a) Define camber? What are the objects of camber? 03
(b) Explain PIEV Theory. 04
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(c) Differentiate between Nagpur and Bombay Road development plan. 07OR
(c) The speeds of overtaking and overtaken vehicles are 75 and 40 kmph 07
respectively on a two way undivided traffic road. If the acceleration of
overtaking vehicle is 0.98 m/sec’ calculate the safe overtaking sight
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distance. Q.3 (a) Define (1) Flakiness Index (2) Elongation Index (3) Specific Gravity 03
(b) Explain ductility test on bitumen. 04
(c) Design the rate of super elevation for a horizontal curve for highway. 07
The radius of curve is 550 m and speed is 100 kmph.
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OR
Q.3 (a) Describe desirable properties of the aggregate used for road 03
construction.
(b) Distinguish between flexible pavement and rigid pavement. 04
(c) Describe Aggregate impact test with figure. 07
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Q.4 (a) Explain the construction procedure of WBM road. 03
(b) Compare tar and bitumen. 04
(c) Describe road arboriculture 07
OR
Q.4 (a) Define (1) Running speed (2) Spot speed (3) Journey speed. 03
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(b) State the difference between road safety reviews and road safety audit. 04(c) Explain various measures for the reduction in accident rates. 07
Q.5 (a) Enlist types of parking. Describe any one in details. 03
(b) Distinguish between Traffic Sign and Traffic Signal. 04
(c) Discuss requirements for pavement widening on horizontal curve. 07
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OR
Q.5 (a) Write a short note on road user’s characteristics. 03
(b) State elementary principles of alignment in hilly areas. 04
(c) Describe sub surface drainage with figure. 07
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