Download GTU (Gujarat Technological University Ahmedabad) B.Tech/BE (Bachelor of Technology/ Bachelor of Engineering) 2020 Winter 5th Sem 2150601 Highway Engineering Previous Question Paper
Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE- SEMESTER?V (NEW) EXAMINATION ? WINTER 2020
Subject Code:2150601 Date:05/02/2021
Subject Name:Highway Engineering
Time:10:30 AM TO 12:30 PM Total Marks: 56
Instructions:
1. Attempt any FOUR questions out of EIGHT questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
MARKS
Q.1 (a) Sketch a neat titled cross section of road showing pavement layers of
03
flexible pavement.
(b) Define: (i) Traffic volume (ii) Time-mean speed (iii) Density of
04
traffic (iv) Stopping Sight Distance
(c) Enlist and discuss briefly factors controlling the alignment of
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Highway
Q.2 (a) Compute stopping sight distance for design speed 100 kmph,
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coefficient of longitudinal friction 0.35 and descending gradient of
2%.
(b) Draw cross section of NH or SH in rural area showing usual
04
dimensions.
(c) Discuss Camber, its importance, recommended values for bituminous
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surface, and shapes of cross slope.
Q.3 (a) Mention desirable properties of soil as road construction material.
03
(b) Compare Bitumen and Tar.
04
(c) Calculate msa or CSA for flexible pavement design from the
07
following data:
Observed CVPD = 500, Growth rate: 6%, Design life = 10 years
Q.4 (a) Mention desirable properties of stone aggregates used for road
03
construction.
(b) What are Bitumen Emulsion and Cutback Bitumen? What is their
04
application?
(c) Calculate EWLF or VDF in terms of standard axle load of 10.5 t for
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Axle loads 5 t and 15 t.
Q.5 (a) Enlist factors considered for design of flexible pavements.
03
(b) Differentiate between Flexible pavement and Rigid pavement.
04
(c) Briefly discuss construction of bituminous layers.
07
Q.6 (a) Explain with sketch Expansion joint in CC pavement.
03
(b) Illustrate with neat titled sketch any one typical system of road
04
drainage.
(c) Mention the distresses in flexible pavements and methods used for
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structural evaluation of flexible pavements.
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Q.7 (a) Mention major areas of study of traffic engineering.
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(b) Explain the terms PCU, CVC and AADT.
04
(c) Describe in brief types and methods methods of O&D studies and
07
presentation of O&D data.
Q.8 (a) Mention different traffic engineering studies generally carried out.
03
(b) Explain Cumulative frequency distribution diagram of spot speeds.
04
(c) State different categories of traffic signs and their purpose and main
07
distinct features.
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This post was last modified on 04 March 2021