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Code No: R05310103 R05 Set No. 2

III B.Tech I Semester Examinations,May 2011

CONCRETE TECHNOLOGY

Civil Engineering

Time: 3 hours Max Marks: 80

Answer any FIVE Questions

All Questions carry equal marks

1. (a) Explain with neat diagram non-destructive evaluation of concrete using Wind-sor probe.

(b) What are the limitations and precautions to be observed while conducting the

test? [10+6]

2. Explain the classification of aggregates based on source of the bed rock. [16]

3. (a) Explain salient features of Polymer concretes.

(b) Explain the method of production and applications of polymer-impregnatedconcretes. [6+10]

4. (a) Explain different types of curing of the concrete.

(b) Explain the advantages and disadvantages of different methods of curing.[6+10]

5. (a) What is the filed corrctions to be carried out for concrete mixes? explain?

(b) Explain about effective water/cement ratio.

(c) Explain the duriability considerations in the design of concrete mixes as perIS 456-2000. [6+4+6]

6. (a) Explain the significance on gel/space ratio.

(b) Explain calculation of gel space ratio for complete hydration and partial hy-dration of cement. [8+8]

7. (a) Explain field-testing of cement to assess the quality of the cement.

(b) What is the practical significance of field testing? [8+8]

8. (a) Explain elastic properties of concrete in detail.

(b) Explain different moduli of elasticity of concrete and explain their practicalsignificance. [6+10]

1

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Code No: R05310103 R05 Set No. 4

III B.Tech I Semester Examinations,May 2011

CONCRETE TECHNOLOGY

Civil Engineering

Time: 3 hours Max Marks: 80

Answer any FIVE Questions

All Questions carry equal marks

1. (a) Explain elastic properties of concrete in detail.

(b) Explain different moduli of elasticity of concrete and explain their practicalsignificance. [6+10]

2. (a) What is the filed corrctions to be carried out for concrete mixes? explain?

(b) Explain about effective water/cement ratio.

(c) Explain the duriability considerations in the design of concrete mixes as perIS 456-2000. [6+4+6]

3. (a) Explain the significance on gel/space ratio.

(b) Explain calculation of gel space ratio for complete hydration and partial hy-dration of cement. [8+8]

4. (a) Explain field-testing of cement to assess the quality of the cement.(b) What is the practical significance of field testing? [8+8]

5. (a) Explain salient features of Polymer concretes.

(b) Explain the method of production and applications of polymer-impregnatedconcretes. [6+10]

6. (a) Explain with neat diagram non-destructive evaluation of concrete using Wind-sor probe.

(b) What are the limitations and precautions to be observed while conducting the

test? [10+6]

7. (a) Explain different types of curing of the concrete.

(b) Explain the advantages and disadvantages of different methods of curing.[6+10]

8. Explain the classification of aggregates based on source of the bed rock. [16]

2

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Code No: R05310103 R05 Set No. 1

III B.Tech I Semester Examinations,May 2011

CONCRETE TECHNOLOGY

Civil Engineering

Time: 3 hours Max Marks: 80

Answer any FIVE Questions

All Questions carry equal marks

1. (a) Explain salient features of Polymer concretes.

(b) Explain the method of production and applications of polymer-impregnatedconcretes. [6+10]

2. (a) Explain elastic properties of concrete in detail.

(b) Explain different moduli of elasticity of concrete and explain their practicalsignificance. [6+10]

3. (a) What is the filed corrctions to be carried out for concrete mixes? explain?

(b) Explain about effective water/cement ratio.

(c) Explain the duriability considerations in the design of concrete mixes as perIS 456-2000. [6+4+6]

4. (a) Explain with neat diagram non-destructive evaluation of concrete using Wind-sor probe.

(b) What are the limitations and precautions to be observed while conducting thetest? [10+6]

5. (a) Explain field-testing of cement to assess the quality of the cement.

(b) What is the practical significance of field testing? [8+8]

6. (a) Explain the significance on gel/space ratio.

(b) Explain calculation of gel space ratio for complete hydration and partial hy-

dration of cement. [8+8]

7. Explain the classification of aggregates based on source of the bed rock. [16]

8. (a) Explain different types of curing of the concrete.

(b) Explain the advantages and disadvantages of different methods of curing.[6+10]

3

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Code No: R05310103 R05 Set No. 3

III B.Tech I Semester Examinations,May 2011

CONCRETE TECHNOLOGY

Civil Engineering

Time: 3 hours Max Marks: 80

Answer any FIVE Questions

All Questions carry equal marks

1. (a) What is the filed corrctions to be carried out for concrete mixes? explain?

(b) Explain about effective water/cement ratio.

(c) Explain the duriability considerations in the design of concrete mixes as perIS 456-2000. [6+4+6]

2. (a) Explain field-testing of cement to assess the quality of the cement.

(b) What is the practical significance of field testing? [8+8]

3. (a) Explain different types of curing of the concrete.

(b) Explain the advantages and disadvantages of different methods of curing.[6+10]

4. (a) Explain the significance on gel/space ratio.

(b) Explain calculation of gel space ratio for complete hydration and partial hy-dration of cement. [8+8]

5. (a) Explain elastic properties of concrete in detail.

(b) Explain different moduli of elasticity of concrete and explain their practicalsignificance. [6+10]

6. Explain the classification of aggregates based on source of the bed rock. [16]

7. (a) Explain salient features of Polymer concretes.

(b) Explain the method of production and applications of polymer-impregnatedconcretes. [6+10]

8. (a) Explain with neat diagram non-destructive evaluation of concrete using Wind-sor probe.

(b) What are the limitations and precautions to be observed while conducting thetest? [10+6]

4

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