Download JNTUK M-Tech 2020 R19 Civil 1109 Advanced Concrete Technology Model Question Paper

Download JNTUK (Jawaharlal Nehru Technological University Kakinada (JNTU kakinada)) M.Tech (ME is Master of Engineering) 2020 R19 Civil 1109 Advanced Concrete Technology Model Previous Question Paper

[M19 ST 1109]

I M. Tech I Semester (R19) Regular Examinations
ADVANCED CONCRETE TECHNOLOGY
(CIVIL ENGINEERING)
MODEL QUESTION PAPER
TIME: 3 Hrs. Max. Marks: 75 M
Answer ONE Question from EACH UNIT
All questions carry equal marks
*****

CO KL M
UNIT - I
1. a). What are the factors promoting the alkali-aggregate reaction? Explain any two of
them?
CO1 1 8
b). State the importance of using Admixtures in concrete and explain Plasticizers-
Super plasticizers?
CO1 2 7
OR
2. a). What are Bogues compnds? Explain them by stating their importance in
concrete?
CO1 2 8
b). Explain the classification and gradation of aggregates? CO1 2 7

UNIT - II
3. a). What is Workability? State varis tests on Workability and explain any two tests
in detail.
CO2 1 8
b). Define the terms Segregation, Bleeding, Creep and Shrinkage of concrete? CO2 1 7
OR
4. a). What is NDT testing of concrete? Explain any two NDT tests? CO2 1 8
b). Define Abrams Law and Gel space ratio? State their major differences in
determination of concrete strength?
CO2 1 7

UNIT - III
5. a). Differentiate high strength concrete from high performance concrete? CO3 4 8
b). Explain the requirements and properties of high performance concrete? CO3 5 7
OR
6. a). Explain the design procedure of HSC Using ErintroyShaklok method? CO3 5 8
b). Explain briefly abt ultra -high strength concrete? CO3 5 7

UNIT - IV
7. a). Design the concrete mix for M25 grade of concrete for the following data using
DOE method
a. Compressive strength for 28 days = 25 N/mm2
b. Standard deviation = 4 N/mm2
c. Nominal cover to steel reinforcement = 30mm
d. Maximum size of Coarse Aggregates = 20mm
e. Aggregates are Uncrushed type
f. Degree of workability, Slump = 60mm
g. Type of exposure : Moderate
h. Cement : Sulphate Resisting Portland Cement (specific gravity - 3.15)
i. Specific gravity of Fine aggregate and Coarse aggregate = 2.7
CO4 6 8
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[M19 ST 1109]

I M. Tech I Semester (R19) Regular Examinations
ADVANCED CONCRETE TECHNOLOGY
(CIVIL ENGINEERING)
MODEL QUESTION PAPER
TIME: 3 Hrs. Max. Marks: 75 M
Answer ONE Question from EACH UNIT
All questions carry equal marks
*****

CO KL M
UNIT - I
1. a). What are the factors promoting the alkali-aggregate reaction? Explain any two of
them?
CO1 1 8
b). State the importance of using Admixtures in concrete and explain Plasticizers-
Super plasticizers?
CO1 2 7
OR
2. a). What are Bogues compnds? Explain them by stating their importance in
concrete?
CO1 2 8
b). Explain the classification and gradation of aggregates? CO1 2 7

UNIT - II
3. a). What is Workability? State varis tests on Workability and explain any two tests
in detail.
CO2 1 8
b). Define the terms Segregation, Bleeding, Creep and Shrinkage of concrete? CO2 1 7
OR
4. a). What is NDT testing of concrete? Explain any two NDT tests? CO2 1 8
b). Define Abrams Law and Gel space ratio? State their major differences in
determination of concrete strength?
CO2 1 7

UNIT - III
5. a). Differentiate high strength concrete from high performance concrete? CO3 4 8
b). Explain the requirements and properties of high performance concrete? CO3 5 7
OR
6. a). Explain the design procedure of HSC Using ErintroyShaklok method? CO3 5 8
b). Explain briefly abt ultra -high strength concrete? CO3 5 7

UNIT - IV
7. a). Design the concrete mix for M25 grade of concrete for the following data using
DOE method
a. Compressive strength for 28 days = 25 N/mm2
b. Standard deviation = 4 N/mm2
c. Nominal cover to steel reinforcement = 30mm
d. Maximum size of Coarse Aggregates = 20mm
e. Aggregates are Uncrushed type
f. Degree of workability, Slump = 60mm
g. Type of exposure : Moderate
h. Cement : Sulphate Resisting Portland Cement (specific gravity - 3.15)
i. Specific gravity of Fine aggregate and Coarse aggregate = 2.7
CO4 6 8
j. Fine aggregate is confined to Zone: II of Table 4: IS 383-1970
k. Coarse Aggregates: 20mm MSA (78%) & 10mm MSA (22%)
b). Explain the step wise Procedure for IS mix design in detail? CO4 5 7
OR
8. a). What is polymer concrete? Explain its types? CO4 1 8
b). State the importance of FRC over conventional concrete? CO4 1 7
UNIT - V
9. a). What is a form work? Explain its importance in construction? CO3 1 8
b). List t varis connections in form work and explain with neat sketches? CO3 5 7
OR
10. a). State and explain different form works? CO3 2 8
b). Explain the design of form work? CO3 5 7

CO: Crse tcome
KL: Knowledge Level
M: Marks

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This post was last modified on 28 April 2020