University Of Pune Question Paper
S.E. (Civil) (Semester – II) Examination, 2011
CONCRETE TECHNOLOGY
(2003 Course)
Time: 3 Hours Max. Marks: 100
Instructions : 1) Answer three questions from Section I and three questions
from Section II.
2) Answers to the two Sections should be written in separate
books.
3) Neat diagrams must be drawn wherever necessary.
4) Black figures to the right indicate full marks.
5) Use of electronic pocket calculator is allowed.
6) Assume suitable data, if necessary.
7) Answer Q.1 or Q.2, Q.3 or Q.4, Q.5 or Q.6 from Section I
and Q. 7 or Q.8, Q.9 or Q.10, Q.11 or Q.12 from
Section II.
SECTION – I
1. a) Write a short note on Hydration of cement. 6
b) Write short notes on :
i) Hydrophobic cement ii) Oil well cement. 6
c) What is bulking of sand ? Explain the field test to determine the extent of
bulking of sand. 6
OR
2. a) State the Bogue’s compound along with their percentage by mass of cement
and function of each. 6
b) What is fineness modulus of aggregate ? How will you find Fineness
modulus of coarse aggregate in laboratory ? 6
c) Explain the classification of aggregates in the basis of
i) Origin ii) Shape iii) Unit weight. 6
3. a) Enlist the properties of concrete in plastic state and hardened state. 4
b) Define workability of concrete and explain slump test in brief. 6
c) Write a brief note on creep of concrete. 6
OR
4. a) Draw and explain the compressive stress-strain curve of concrete. 4
b) Describe the types of vibrator used for compaction of concrete. 6
c) Write a short note on :
i) Shrinkage ii) Swelling of concrete. 6
5. a) Discuss the importance of mix-design. 4
b) What do you mean by nominal mix, standard mix and design mix ? 6
c) Briefly outline the D.O.E. method of concrete mix design. 6
OR
6. a) What do you mean by 4
i) Mean strength ii) Variance
iii) Standard deviation iv) Coefficient of variation ?
b) Briefly outline the I.S. Code method of concrete mix-design. 6
c) What are the factors which influences the choice of mix proportion ? 6
SECTION – II
7. a) What is prepacked concrete ? 4
b) Explain the effect of cold weather concreting. 6
c) Explain three types of polymer concrete. 6
OR
8. a) Explain how high performance concrete differs from high performance
concrete. 4
b) Write a short notes of light weight concrete and its advantages. 6
c) State and explain three types of self-compacting concrete. 6
9. a) Write any eight functions of admixtures. 4
b) Write a short note on pozzolanic admixtures. 6
c) Write a short note on indirect tension test. 6
OR
10. a) Write a short note on impact echo test. 4
b) Write a short note on analysis of fresh concrete. 6
c) Write a short note on. 6
i) pull out test ii) Effect of sea water on concrete.
11. a) Write a short notes on : 6
i) Chloride attack ii) Evaluation of cracks.
b) Explain in detail-permeability and factors affecting permeability of the
concrete. 6
c) Write short notes on : 6
i) shotcrete ii) repair by stitching
OR
12. a) Write a detailed note on carbonation of concrete. 9
Write short note on
b) Sulphate attack. 4
c) Corrosion of reinforcement. 5
——————
S.E. (Civil) (Semester – II) Examination, 2011
CONCRETE TECHNOLOGY
(2003 Course)
Time: 3 Hours Max. Marks: 100
Instructions : 1) Answer three questions from Section I and three questions
from Section II.
2) Answers to the two Sections should be written in separate
books.
3) Neat diagrams must be drawn wherever necessary.
4) Black figures to the right indicate full marks.
5) Use of electronic pocket calculator is allowed.
6) Assume suitable data, if necessary.
7) Answer Q.1 or Q.2, Q.3 or Q.4, Q.5 or Q.6 from Section I
and Q. 7 or Q.8, Q.9 or Q.10, Q.11 or Q.12 from
Section II.
SECTION – I
1. a) Write a short note on Hydration of cement. 6
b) Write short notes on :
i) Hydrophobic cement ii) Oil well cement. 6
c) What is bulking of sand ? Explain the field test to determine the extent of
bulking of sand. 6
OR
2. a) State the Bogue’s compound along with their percentage by mass of cement
and function of each. 6
b) What is fineness modulus of aggregate ? How will you find Fineness
modulus of coarse aggregate in laboratory ? 6
c) Explain the classification of aggregates in the basis of
i) Origin ii) Shape iii) Unit weight. 6
3. a) Enlist the properties of concrete in plastic state and hardened state. 4
b) Define workability of concrete and explain slump test in brief. 6
c) Write a brief note on creep of concrete. 6
OR
4. a) Draw and explain the compressive stress-strain curve of concrete. 4
b) Describe the types of vibrator used for compaction of concrete. 6
c) Write a short note on :
i) Shrinkage ii) Swelling of concrete. 6
5. a) Discuss the importance of mix-design. 4
b) What do you mean by nominal mix, standard mix and design mix ? 6
c) Briefly outline the D.O.E. method of concrete mix design. 6
OR
6. a) What do you mean by 4
i) Mean strength ii) Variance
iii) Standard deviation iv) Coefficient of variation ?
b) Briefly outline the I.S. Code method of concrete mix-design. 6
c) What are the factors which influences the choice of mix proportion ? 6
SECTION – II
7. a) What is prepacked concrete ? 4
b) Explain the effect of cold weather concreting. 6
c) Explain three types of polymer concrete. 6
OR
8. a) Explain how high performance concrete differs from high performance
concrete. 4
b) Write a short notes of light weight concrete and its advantages. 6
c) State and explain three types of self-compacting concrete. 6
9. a) Write any eight functions of admixtures. 4
b) Write a short note on pozzolanic admixtures. 6
c) Write a short note on indirect tension test. 6
OR
10. a) Write a short note on impact echo test. 4
b) Write a short note on analysis of fresh concrete. 6
c) Write a short note on. 6
i) pull out test ii) Effect of sea water on concrete.
11. a) Write a short notes on : 6
i) Chloride attack ii) Evaluation of cracks.
b) Explain in detail-permeability and factors affecting permeability of the
concrete. 6
c) Write short notes on : 6
i) shotcrete ii) repair by stitching
OR
12. a) Write a detailed note on carbonation of concrete. 9
Write short note on
b) Sulphate attack. 4
c) Corrosion of reinforcement. 5
——————
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