Q.1
14 Marks(a)
What is compaction? Why compaction is needed?
(b)
Write a short note on aerated concrete.
(c)
Explain about rebound hammer test.
Gujarat Technological UniversitySummer 2024 examination
GTU 3150610 Concrete Technology Summer 2024 Question Paper & PDF
B.E. · Civil Engineering · Semester 5 · Subject code 3150610
- 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.2
14 Marks(a)
What are the purposes of admixtures in concrete?
(b)
Write a short note on bulking of sand.
(c)
State factors affecting compressive strength of concrete and explain any four in detail.
OR
(c)
Explain the factors affecting permeability of concrete.
Q.3
14 Marks(a)
State the major compounds of ordinary Portland cement and its importance.
(b)
Explain different types of slump with sketch.
(c)
Explain ultrasonic pulse velocity test.
OR
(a)
Explain the effect of water cement ratio on the strength of concrete.
(b)
Explain importance of grading of aggregates.
(c)
List various methods of concreting under water and explain ‘tremie’ method.
Q.4
14 Marks(a)
Explain mechanism of sulphate attack on concrete.
(b)
Define Durability. Explain its significance.
(c)
Explain wet process for manufacturing of cement.
OR
(a)
Explain segregation of concrete.
(b)
Describe the test for determining standard consistency, and initial setting time of cement.
(c)
Explain Indian Standard Mix design method as per IS: 10262 (2009) with its salient features.
Q.5
14 Marks(a)
Explain need of curing. State different methods of curing.
(b)
Define workability and discuss factors affecting workability.
(c)
What is self-compacting concrete? And what are the advantages and disadvantages of using it?
OR
(a)
Briefly explain alkali-aggregate reaction.
(b)
Differentiate between high-strength and high-performance concrete.
(c)
Explain various causes of corrosion of steel in concrete and its remedial measures.
More Concrete Technology papers
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Other Semester 5 subjects
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About this paper
Official Gujarat Technological University (GTU) examination paper for Concrete Technology (Summer 2024, 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.