Download GTU B.Tech 2020 Winter 5th Sem 3150613 Pavement Design And Highway Construction Question Paper

Download GTU (Gujarat Technological University Ahmedabad) B.Tech/BE (Bachelor of Technology/ Bachelor of Engineering) 2020 Winter 5th Sem 3150613 Pavement Design And Highway Construction Previous Question Paper

Seat No.:
Enrolment No.
GUJARAT TECHNOLOGICAL UNIVERSITY
BE- SEMESTER?V (NEW) EXAMINATION ? WINTER 2020
Subject Code:3150613
Date:03/02/2021
Subject Name:Pavement Design & Highway construction
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.
4. IRC ? 37 and IRC -58 codes are allowed.

MARKS
Q.1 (a) What are the desirable properties of bituminous mix?
03
(b) Write short notes on (i) Mud pumping (ii) Structural cracks
04
(c) With the help of sketches, mention various layers of flexible
07
pavement. Write function of each layer.
Q.2 (a) What are wharping stresses? How are they developed in CC
03
pavements?
(b) Enlist various tests carried out on bitumen emulsion. Explain any
04
one in detail.
(c) Mention various steps involved in mechanistic pavement design of
07
bituminous pavements as per IRC 37
Q.3 (a) What are requirements of expansion and contraction joints in rigid
03
pavements?
(b) State assumptions and limitations of Boussinesq's theory
04
(c) List the different stresses induced in cement concrete pavements.
07
Discuss the critical combination of these stresses.




Q.4 (a) Explain the selection and gradation of Binder course.
03
(b) What is an equivalent single axle load? How can it be determined?
04
(c) A 2.5 cm diameter dowel bar is transferring a vertical load of 3500N
07
across a 0.5 cm wide joint. Compute the dowel bar deflection at the
edge of the joint and the corresponding concrete bearing stresses.
Can the concrete handle this stress? Given, Kc of 100,000 MPa/m,
Er of 200,000 MPa, and f c' of 28 MPa.
Q.5 (a) Differentiate between WBM and WMM
03
(b) What do you mean by Ultra thin White topping? Explain in brief.
04
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(c) Write the Construction procedure of embankment, subgrade and Sub
07
base
2

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Q.6 (a) Write a short note on Interlocking Concrete Block Pavement (ICBP)
03
(b) Write the steps in Design of overlay
04
(c) Explain the construction procedure of Earthwork, Granular sub base,
07
drainage layer and Dry lean concrete as per IRC-49
Q.7 (a) Differentiate between Cold in place (CIP) and Hot in place (HIP)
03
(b) Explain types of defects in maintenance of pavement
04
(c) Explain the Maintenance of pavement and its methodology as per
07
IRC: SP:83
Q.8 (a) Enlist different bituminous mix treatments used in construction of
03
pavements
(b) Explain Cold mix technology as per IRC SP-100
04
(c) Explain Stone matrix asphalt as per IRC SP-79 and Warm mix
07
asphalt as per IRC SP 101

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