Gujarat Technological UniversitySummer 2026 examination

GTU 3170616 Retrofitting of structures Summer 2026 Question Paper & PDF

B.E. · Civil Engineering · Semester 7 · Subject code 3170616
Download official PDFView PDF here
Share with your class
Total
70 marks
To pass
23 marks (33%)
Duration
2.5 Hours 2:30 PM – 5:00 PM
Questions
5 with internal choice
No solutions on this paper yetNeed them for your exam? Ask once. Papers that students ask for are solved first, and we aim to add them within 24 hours.

Q.1

14 Marks
(a)
3 marks

What is a condition assessment? Give main objectives of condition assessment.

(b)
4 marks

Explain need of concrete cover in RCC structure. Give IS:456-2000 recommendations for nominal cover.

(c)
7 marks
Explain effect of freezing and thawing on RCC structure.

Q.2

14 Marks
(a)
3 marks

List various types of shoring and explain raking shore with sketch.

(b)
4 marks
Explain effect of acid attack on concrete.
(c)
7 marks

List out various construction errors which leads to the deterioration of concrete structure.

(c)
7 marks
Explain column jacketing with neat sketch.

Q.3

14 Marks
(a)
3 marks

Enlist various thermal properties of concrete and explain coefficient of thermal expansion.

(b)
4 marks
Write short note on vacuum concrete.
(c)
7 marks
Write short note on fiber reinforced concrete.
(a)
3 marks

What steps will you follow to correct a deflected RCC slab.

(b)
4 marks
How to carry out repairs of leakage from terrace?
(c)
7 marks
Explain injection grouting for RCC buildings.

Q.4

14 Marks
(a)
3 marks
Explain routine and periodic maintenance.
(b)
4 marks

Write a short note on transport mechanism of fluids into the concrete.

(c)
7 marks

Enlist various strengthening methods for beams and slabs. Explain one strengthening method in detail for both beam and slab.

(a)
3 marks

Mention various signs of distress seen in deteriorated concrete structure.

(b)
4 marks

List down the various factors to be considered while selecting repair method and steps to be followed to carry out an effective repair.

(c)
7 marks
Define alkali-aggregate reaction and explain it in detail.

Q.5

14 Marks
(a)
3 marks
Enlist various types of non-destructive tests.
(b)
4 marks

How would you ensure quality control in concrete construction?

(c)
7 marks

Explain the mechanism of corrosion in concrete structures.

(a)
3 marks
Define
i)Repair
ii)Restoration
iii)Retrofitting.
(b)
4 marks
Write short note on fiber wrap technique.
(c)
7 marks
Explain rebound hammer test with neat sketch.

Preparing with friends?

Send this paper to your class group. Every question has its own link.

About this paper

Official Gujarat Technological University (GTU) examination paper for Retrofitting of structures (Summer 2026, B.E. · Civil Engineering, Sem 7). Features complete 70-mark regular & remedial examination pattern, official marking distribution across all 5 questions, and direct 1-click official PDF download.

Transcribed for student exam preparation from Gujarat Technological University official examination archives. Questions, syllabus guidelines, and curriculum marking schemes remain the intellectual property of Gujarat Technological University.

ViewDownload PDF