RGPV Concrete Technology - December 2015 Exam Question Paper

RGPV Civil Engineering (Semester 4)
Concrete Technology
December 2015

Total marks: --
Total time: --

INSTRUCTIONS
(1) Assume appropriate data and state your reasons
(2) Marks are given to the right of every question
(3) Draw neat diagrams wherever necessary

1(a) What is concrete?

2 M

1(b) What is the function of binding material in concrete?

2 M

1(c) State the characteristics of good concrete.

3 M

Solve any one question from Q.1(d) & Q.1(e)

1(d) Name different types of cement and state their characteristics.

7 M

1(e) List the principal requirements of good aggregate. Explain the significance of grading of a combined aggregate.

7 M

2(a) What do you mean by the term work ability?

2 M

2(b) Draw deformation curve for fresh concrete.

2 M

2(c) Define rheological of concrete and discuss Bingham model.

3 M

Solve any one question from Q.2(d) & Q.2(e)

2(d) Discuss factors affecting rheological properties of concrete in detail.

7 M

2(e) Write short notes on (br) ) Shrinkage and temperature effects ii) Role of permeability

7 M

3(a) Define target strength of concrete.

2 M

3(b) Give acceptance criteria for concrete.

2 M

3(c) Discuss section of tree water-cement ratio.

3 M

Solve any one question from Q.3(d) & Q.3(e)

3(d) What are the different methods of proportioning concrete? Why is the trial method if proportioning so widely used when several other methods are available? Discuss the method.

7 M

3(e) Explain I.S. Code method of mix design.

7 M

4(a) What is curing? Why it's necessary?

2 M

4(b) Give the effects of improper curing of concrete.

2 M

4(c) What are the favourable conditions to be set up at early hardening periods for the best results?

3 M

Solve any one question from Q.4(d) & Q.4(e)

4(d) Explain vacuum dewatering as applied to under water concreting.

7 M

4(e) Explain various non destructive testing methods of concrete.

7 M

5(a) Define light weight concrete.

2 M

5(b) What do you understand by ceramics?

2 M

5(c) Explain prestressed concrete.

3 M

Solve any one question from Q.5(d) & Q.5(e)

5(d) Write short note on:
i) Ferrocement concrete
ii) Heat resistant concrete

7 M

5(e) Write short note on
i)Fiber reinforced concrete
ii Ready mix concrete

7 M

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