Gujarat Technological UniversitySummer 2026 examination

GTU 3150610 Concrete Technology Summer 2026 Question Paper & PDF

B.E. · Civil Engineering · Semester 5 · Subject code 3150610
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Total
70 marks
To pass
23 marks (33%)
Duration
2.5 Hours 2:30 PM – 5:00 PM
Questions
5 with internal choice
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Q.1

14 Marks
(a)
3 marks
Explain in short advance future trend in concrete.
(b)
4 marks
Write short note on sustainability and concrete development
(c)
7 marks

State the laboratory tests to be performed for determination of physical properties of cement. Explain any one of them.

Q.2

14 Marks
(a)
3 marks
Where can we use 43 grade of cement ?
(b)
4 marks
Name any four types of cement and state their uses.
(c)
7 marks
Define admixtures and state purpose of adding admixtures in concrete.
(c)
7 marks
Distinguish between volume batching and weigh batching in concrete mix procedure.

Q.3

14 Marks
(a)
3 marks
What precautions must be taken while storing cement on site?
(b)
4 marks

State the necessity of using aggregate in concrete. How aggregates support the strength of concrete?

(c)
7 marks

Define workability. What are different tests used to measure workability, describe any one in details?

(a)
3 marks
Write short note on segregation of concrete.
(b)
4 marks
Enlist the factor affecting strength of concrete.
(c)
7 marks

Write short note on permeability of concrete. Explain factors affecting permeability of concrete.

Q.4

14 Marks
(a)
3 marks
What is the significance of workability in concrete?
(b)
4 marks
Explain ultrasonic pulse velocity test in detail.
(c)
7 marks
Define shrinkage and give its classification.
(a)
3 marks
What are the benefits of using high performance concrete?
(b)
4 marks
Describe various aspects of durability.
(c)
7 marks

Define Nominal mix concrete and Design mix concrete. Describe step by step procedure of IS Method of mix design.

Q.5

14 Marks
(a)
3 marks
What do you meant by swelling of concrete?
(b)
4 marks
Write note on NDT and its utility.
(c)
7 marks

Explain the basic principle on which schmidt’s rebound hammer is working. What are the limitations of it?

(a)
3 marks
Why there is a need of special concrete?
(b)
4 marks
State different types of special concrete and describe aerated concrete.
(c)
7 marks
List various aggressive environment for concrete. How sulphate attack on concrete?

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About this paper

Official Gujarat Technological University (GTU) examination paper for Concrete Technology (Summer 2026, B.E. · Civil Engineering, Sem 5). 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.

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