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

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Subject Code: 180607

GUJARAT TECHNOLOGICAL UNIVERSITY

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BE - SEMESTER-VIII (OLD) EXAMINATION - SUMMER 2019

Subject Name: Repairs & Rehabilitation Of Structures

Time: 10:30 AM TO 01:00 PM

Instructions:

1. Attempt all questions.

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2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.

Q.1

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

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Q.2

1. (a) Explain briefly cracking of concrete and remedial measures for prevention of cracking. [07]
2. (b) Explain the need of cover in RCC structures. Give IS: 456-2000 recommendation for nominal cover. [07]

OR

1. (a) List out various Non Destructive Test (NDT) used to determine strength of Existing structure. Explain any one of them. [07]

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2. (b) Distinguish between Rehabilitation and Retrofitting. [07]

Q.3

1. (a) What is shore? Enlist different types of shores and explain use of Dead shore with sketch. [07]

OR

1. (b) What is meant by carbonation of concrete? How it is determined in concrete? What are the limitations associated with it? [07]

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Q.4

1. (a) Enlist and explain long term health monitoring techniques. [07]
2. (b) Explain the precautions to be taken during demolition of structure. [07]

OR

1. (a) Explain column jacketing and plate bonding with sketch. [07]

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2. (b) What is polymer impregnated concrete? Write the application of it. [07]

Q.5

1. (a) Explain the methodology to repair an earthquake deficient masonry structure. [07]
2. (b) Discuss Sulphate attack on concrete. [07]

OR

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1. (a) Write in brief about Foundation Rehabilitation Methods. [07]
2. (b) Write short note on Foamed Concrete. [07]
3. (b) Write short note on Expansive Cement. [07]

Date: 17/05/2019

Total Marks: 70

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