problem 1: What is meant by 33, 43 and 53 grades of cement?
problem 2: describe the pozzolonic reactions in concrete? describe the function of gypsum in cement?
problem 3: What are pozzolonas? Describe the pozzolonic reactions in concrete? List out the common pozzolona used in concrete?
problem 4: What is hydration of cement? Describe the function of all thy-Bogues compounds in the hydration of cement?
problem 5: How the initial setting time of cement is determined? Describe the significance of initial and final setting time of cement?
problem 6: prepare a short notes on:
a) High strength concrete.
b) Fibre reinforced concrete
c) Light weight concrete
problem 7: Discuss the various objectives of using admixtures in concrete. What are the various types of admixtures?
problem 8: What are chemical admixtures? describe the usage of any three of them in detail.
a) prepare short notes on Light weight concreteWhat are the different types of fibres used in concrete?
b)Mention the relative merits and demerits of each type.
problem 10: What is meant by segregation and bleeding?
problem 11: What is workability of concrete? Discuss the various methods by which workability of concrete is measured?
problem 12: What are the different methods of curing of concrete? Mention merits and demerits of each type.
problem 13: describe bulking of sand. How does it affect the quantity of sand in volume batching?