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
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