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

FirstRanker.com

Firstranker's choice

[M19 ST 1109]

--- Content provided by FirstRanker.com ---

I M. Tech I Semester (R19) Regular Examinations

ADVANCED CONCRETE TECHNOLOGY

(CIVIL ENGINEERING)

MODEL QUESTION PAPER

TIME: 3 Hrs. Max. Marks: 75

--- Content provided by FirstRanker.com ---

Answer ONE Question from EACH UNIT

All questions carry equal marks

CO | KL

UNIT -1

1. a). What are the factors promoting the alkali-aggregate reaction? Explain any two of them? CO1 | 1

--- Content provided by‌ FirstRanker.com ---

2. b). State the importance of using Admixtures in concrete and explain Plasticizers- Super plasticizers? CO1 | 2

OR

1. a). What are Bogues compounds? Explain them by stating their importance in concrete? CO1 | 2
2. b). Explain the classification and gradation of aggregates? CO1 | 2

UNIT - II

--- Content provided by‌ FirstRanker.com ---

1. a). What is Workability? State various tests on Workability and explain any two tests in detail. CO2 | 1
2. b). Define the terms Segregation, Bleeding, Creep and Shrinkage of concrete? CO2 | 1

OR

1. a). What is NDT testing of concrete? Explain any two NDT tests? CO2 | 1
2. b). Define Abrams Law and Gel space ratio? State their major differences in determination of concrete strength? CO2 | 1

--- Content provided by⁠ FirstRanker.com ---

UNIT - III

1. a). Differentiate high strength concrete from high performance concrete? CO3 | 4
2. b). Explain the requirements and properties of high performance concrete? CO3 | 5

OR

1. a). Explain the design-procedure of HSC Using Erintroy Shaklok method? CO3 | 5

--- Content provided by‍ FirstRanker.com ---

2. b). Explain briefly about ultra -high strength concrete? CO3 | 5

UNIT - IV

1. a). Design the concrete mix for M25 grade of concrete for the following data using DOE method CO4 | 6
   1. Compressive strength for 28 days = 25 N/mm2
   2. Standard deviation = 4 N/mm2
   3. Nominal cover to steel reinforcement = 30mm

   --- Content provided by FirstRanker.com ---

   4. Maximum size of Coarse Aggregates = 20mm
   5. Aggregates are Uncrushed type
   6. Degree of workability, Slump = 60mm
   7. Type of exposure : Moderate
   8. Cement : Sulphate Resisting Portland Cement (specific gravity - 3.15)

   --- Content provided by​ FirstRanker.com ---

   9. Specific gravity of Fine aggregate and Coarse aggregate = 2.7
   10. Fine aggregate is confined to Zone: II of Table 4: IS 383-1970
   11. Coarse Aggregates: 20mm MSA (78%) & 10mm MSA (22%)
2. b). Explain the step wise Procedure for IS mix design in detail? CO4

--- Content provided by FirstRanker.com ---

OR

1. a). What is polymer concrete? Explain its types? CO4
2. b). State the importance of FRC over conventional concrete? CO4

UNIT - V

1. a). What is a form work? Explain its importance in construction? CO3

--- Content provided by‍ FirstRanker.com ---

2. b). List the various connections in form work and explain with neat sketches? CO3

OR

1. a). State and explain different form works? CO3
2. b). Explain the design of form work? CO3

CO: Course Outcome

--- Content provided by‌ FirstRanker.com ---

KL: Knowledge Level

M: Marks

FirstRanker.com