GTU BE/B.Tech 2018 Winter Question Papers || Gujarat Technological University
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Seat No.:
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Subject Code: 2150601
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER-V (NEW) EXAMINATION - WINTER 2018
Subject Name: Highway Engineering
Time: 10:30 AM TO 01:00 PM
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Instructions:
- Attempt all questions.
- Make suitable assumptions wherever necessary.
- Figures to the right indicate full marks.
| Q.1 | (a) What are the significant recommendations of Jayakar Committee Report? | 03 |
(b) Define the following terms:
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| (c) Explain the factors controlling the alignment of roads with the help of sketches. | 07 | |
| Q.2 | (a) Draw the cross section of divided highway in urban area. | 03 |
| (b) What do you mean by camber? What are the objects of camber? Discuss the factors on which the amount of camber to be provided depends. | 04 | |
| (c) Derive an expression for calculating the stopping sight distance at level and at grades. | 07 | |
| OR | ||
| (c) Derive an expression for calculating overtaking sight distance on a highway. | 07 | |
| Q.3 | (a) Design the rate of super elevation for a horizontal highway curve of radius 300 m and speed 80 kmph. | 03 |
| (b) List the various types of transition curves used in highways. What is an ideal transition curve? Explain. | 04 | |
| (c) Derive an expression for finding the extra widening required on horizontal curve. | 07 | |
| OR | ||
| (b) Calculate the safe overtaking sight distance for design speed of 96 kmph. Assume all other data suitably. | 03 | |
| Q.4 | (a) Explain ruling, maximum and exceptional gradients. Specify the values recommended by IRC for plains and hill. | 04 |
| (b) Enlist the objects of traffic volume studies. Explain various methods of carrying out traffic volume study. | 07 | |
| (c) Distinguish between flexible pavement and rigid pavement | 03 | |
| Q.4 | (a) Explain the various desirable properties of road aggregates briefly. | 04 |
| (b) Enlist the various tests for road aggregate. Explain impact test with the help of neat sketch and recommended values as per IRC. | 07 | |
| OR | ||
| (a) Compare tar and bitumen. | 03 | |
| (b) List the various test conducted on bitumen. Explain penetration test of bitumen. | 04 | |
| (c) Show the various typical failures in flexible pavement with the help of neat sketches. | 07 | |
| Q.5 | (a) Write the significance of highway drainage. | 03 |
| (b) Write short note on: Prevention of landslides. | 04 | |
| (c) Explain various types of parking with the help of neat sketches. | 07 | |
| Q.5 | (a) What are the advantages and disadvantages of traffic signals? | 03 |
| (b) Briefly explain road side development and arboriculture. | 04 | |
| (c) Explain sub surface drainage to lower the water table and control of seepage flow with the help of neat sketches. | 07 | |
Date: 07/12/2018
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Total Marks: 70
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