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Seat No.: Enrolment
GUJARAT TECHNOLOGICAL UNIVERSITY
PDDC SEMESTER-V EXAMINATION WINTER 2018
Subject Code:X50601 Date: 30/11/2018
Subject Name: Highway Engineering
Time: 10:30 AM TO 01:00 PM Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
Q.1

Explain the classification of roads suggested in the Nagpur Road Plan.
07

Write notes on: IRC NHAI
07
Q.2

What are the requirements of ideal road alignments?
07

Write a short note on camber.
07
OR

What do you mean by total reaction time of a driver? Explain PIEV Theory?
07
Q.3

What is SSD? Derive the expression for SSD.
07

The speeds of overtaking and overtaken vehicles are 75 kmph and 40 kmph respectively on a two way undivided traffic road. If the acceleration of overtaking vehicle is 0.99 m/sec2. Calculate safe overtaking sight distance.
07
OR
Q.3

Write a short note on causes of land slide.
07

The radius of a horizontal circular curve is 95.0m. The design speed is 55.0 kmph. The design coefficient of lateral friction is 0.15.
Calculate the Super Elevation required if full lateral friction is produced.
Calculate coefficient of friction required if super elevation is not provided.
07
Q.4

Write a short note on Los Angeles Abrasion Test.
07

Explain softening point test on bitumen.
07
OR
Q.4

What are the importances of drainage? Explain any one method of subsurface drainage.
07

Describe road user characteristics.
07
Q.5

Enlist types of parking. Explain any two types of parking.
07

What are the causes of road accidents? Explain.
07
OR
Q.5

Describe PPP model.
07

Explain various types of signs used in road.
07