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

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GUJARAT TECHNOLOGICAL UNIVERSITY
BE- SEMESTER-VIII (OLD) EXAMINATION — WINTER 2020

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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.

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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 of structures? 07

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Q.3 (a) If the main reinforcement and shear reinforcement of a beam are corrode and needs to be replaced by new bars, what are the basic steps involve in this procedure. 07
(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 methods. 07

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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

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