Download GTU BE/B.Tech 2019 Summer 8th Sem Old 180607 Repairs And Rehabilitation Of Structures Question Paper

Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2019 Summer 8th Sem Old 180607 Repairs And Rehabilitation Of Structures Previous Question Paper

1
Seat No.: ________ Enrolment No.___________

GUJARAT TECHNOLOGICAL UNIVERSITY

BE - SEMESTER ?VIII (OLD) EXAMINATION ? SUMMER 2019
Subject Code: 180607 Date: 17/05/2019

Subject Name:Repairs & Rehabilitation Of Structures

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 (a) List out various technique for crack repair. Explain grouting in detail. 07
(b) Explain in short procedure for damage assessment in structural elements. 07

Q.2 (a) Explain briefly cracking of concrete and remedial measures for prevention of
cracking.
07
(b) Explain the need of cover in RCC structures. Give IS: 456-2000 recommendation
for nominal cover.
07
OR
(b) List out various Non Destructive Test (NDT) used to determine strength of
Existing structure. Explain any one of them.
07

Q.3 (a) Distinguish between Rehabilitation and Retrofitting. 07
(b) What is shore? Enlist different types of shores and explain use of Dead
shore with sketch.
07
OR
Q.3 (a) What is meant by carbonation of concrete? How it is determined in concrete?
What are the limitations associated with it?
07
(b) Enlist and explain long term health monitoring techniques. 07

Q.4 (a) Explain the precautions to be taken during demolition of structure. 07
(b) Explain column jacketing and plate bonding with sketch. 07
OR
Q.4 (a) What is polymer impregnated concrete? Write the application of it. 07
(b) Explain the methodology to repair an earthquake deficient masonry structure. 07

Q.5 (a) Discuss Sulphate attack on concrete. 07
(b) Write in brief about Foundation Rehabilitation Methods. 07
OR

Q.5 (a) Write short note on Foamed Concrete. 07
(b) Write short note on Expansive Cement. 07

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