GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER- V(OLD) EXAMINATION - SUMMER 2019
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Subject Code:150601 Date:19/06/2019
Subject Name:Highway Engineering
Time:02:30 PM TO 05:00 PM Total Marks: 70
Instructions:
- Attempt all questions.
- Make suitable assumptions wherever necessary.
- Figures to the right indicate full marks.
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Q.1 (a) Explain briefly modified classification of road system in India as per third twenty year road development plan. 07
(b) Discuss soil classification based on grain size. 07
Q.2 (a) Explain the term traffic volume. What are the objectives of traffic volume studies? 07
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(b) Explain the different Engineering properties of Aggregate and suitable tests Required to check those properties. 07
OR
(b) Explain different types of Joints used in Rigid Pavements. 07
Q.3 (a) Explain with sketches mandatory signs and warning signs to control the traffic. 07
(b) Discuss about traffic islands and types of intersections. 07
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OR
Q.3 (a) Explain Road User Characteristics and Vehicular Characteristics. 07
(b) Define Sight Distance. State its different types and explain SSD. 07
Q4 (a) What is camber? What are the objects of camber? Sketch different types of camber. 07
(b) Distinguish between rigid and flexible pavement. 07
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OR
Q4 (a) Discuss briefly various requirements of an ideal highway alignment. What are obligatory points? Discuss how these control the alignment. 07
(b) D) Explain the significance of sub grade soil? Which are the desirable properties of soil as a highway material? 1) Enumerate the advantages and disadvantages of WBM road. 07
Q.5 (a) Discuss about road arboriculture and street lighting. 07
(b) Discuss the desirable properties of bitumen. Explain the penetration test and its use. Also compare Tar and Bitumen. 07
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OR
Q.5 (a) Explain various methods of parking with sketch. 07
(b) Explain total reaction time of driver. Explain PIEV Theory. 07
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