Download GTU B.Tech 2020 Winter 8th Sem 180607 Repairs And Rehabilitation Of Structures Question Paper

Download GTU (Gujarat Technological University Ahmedabad) B.Tech/BE (Bachelor of Technology/ Bachelor of Engineering) 2020 Winter 8th Sem 180607 Repairs And Rehabilitation Of Structures Previous Question Paper

Seat No.: ________
Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE- SEMESTER?VIII (OLD) EXAMINATION ? WINTER 2020
Subject Code:180607 Date:28/01/2021
Subject Name:Repairs & Rehabilitation Of Structures
Time:02:00 PM TO 04:00 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.

Q.1
(a) List out various technique for crack repair. Explain grouting in detail
07

(b) Write short note on Foamed Concrete
07



Q.2
(a)
How the field and laboratory testing are useful for damage assessment 07
of structures?

(b)
Enlist the Non destructive test for structures and explain the "Ultra sonic
07
pulse velocity test" in detail.
Q.3
(a)
If the main reinforcement and shear reinforcement of a beam are corroded 07
and needs to be replaced by new bars, what are the basic steps involved
in this procedure.

(b)
Discuss the long term health monitoring techniques.
07




Q.4
(a)
Differentiate between retrofitting and rehabilitation of structure
07

(b)
Explain the mechanism of the following corrosion protection m ethods. 07
(i) corrosion inhibitors (ii) Cathodic protection.



Q.5
(a)
State causes and precautions for distress in structures. 07

(b)
Explain briefly the purpose and procedure for the damage assessment
07



Q.6
(a)
Explain the polymer impregnated concrete with its application.
07

(b)
Explain Gunite and Shotcrete as method of repair.
07



Q.7
(a)
What is meant by jacketing? Discuss repair and strengthening of columns
07
by jacketing.

(b)
Classify the Repair materials based on types of application.
07



Q.8
(a)
Write short note on Foundation Rehabilitation Methods.
07
(b) Explain preparation done before to start demolition
07

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This post was last modified on 04 March 2021