F 03000CE361092002 Pages: 2

Reg No.: Name:
APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY
Fifth Semester B.Tech Degree Regular and Supplementary Examination December 2020

Course Code: CE361
Course Name: ADVANCED CONCRETE TECHNOLOGY
Max. Marks: 100 Duration: 3 Hours

PARTA
Answer any two full questions, each carries 15 marks. Marks
1. a) What are the properties of Bogue’s compounds? How can you produce cements (9)

of varying properties by changing the composition of cement?
b) Describe the effect of size and shape of aggregates on concrete. (6)

2. a) Distinguish between bleeding and segregation. What are its causes and control (9)

measures?
b) Explain the properties and uses of air entraining admixtures in concrete. (6)

3. a) State the importance of grading of fine and coarse aggregates in concrete (9)
making. Which grading you prefer and why?
b) Explain the significance of concrete curing. Describe any two methods. (6)
PART छ
Answer any two full questions, each carries 15 marks.
4. a) Explain the properties, effect and uses of silica fume as a mineral admixture in (9)

concrete.
b) Describe the action of mineral admixtures in concrete properties. (6)

5. a) What are the methods to enhance the strength properties of concrete? Explain (9)

any three methods in detail.
b) Explain the various factors affecting elasticity modulus of concrete. (6)
6. a) List the various factors influencing the mix proportioning. Explain any four. (9)

b) What is meant by creep in concrete? What are its positive and negative effects (6)
on concrete?
PART C
Answer any two full questions, each carries 20 marks.
7. ൭) What is carbonation in concrete and its effect? What are the factors affecting it? (9)

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