Question Paper: Concrete Technology : Question Paper May 2014 - Civil Engineering (Semester 4) | Mumbai University (MU)

Concrete Technology - May 2014

Civil Engineering (Semester 4)

(1) Question 1 is compulsory.
(2) Attempt any three from the remaining questions.
(3) Assume data if required.
(4) Figures to the right indicate full marks.
1 (a) Explain in brief various methods of curing of concrete.(5 marks) 1 (b) Explain in brief any four properties of ordinary Portland cement.(5 marks) 1 (c) Explain in brief fineness modulus of course and fine aggregates.(5 marks) 1 (d) Define high performance and high strength concrete.(5 marks) 1 (e) What are the mineral admixtures? Explain in brief.(5 marks) 2 (a) Explain in detail various properties of hardened concrete.(10 marks) 2 (b) Explain in detail various factor affecting workability of concrete.(10 marks) 3 (a) Explain in detail manufacturing process of concrete in RMC plant.(10 marks) 3 (b) Explain step by step procedure to design concrete mix for compressive strength as per IS:10262.(10 marks) 4 (a) Enlist any five types of chemical admixtures commonly used and explain them in detail.(10 marks) 4 (b) What is NDT of concrete? Explain any one method of NDT with sketch in detail.(10 marks) 5 (a) Explain the effect of aggregate properties on concrete quality.(7 marks) 5 (b) Explain in detail Hot weather and cold weather concreting.(6 marks) 5 (c) What is durability of Concrete? Explain the effect of W/C Ratio on durability of concrete.(7 marks)

Write short notes on the following

6 (a) Roller compacted concrete.(4 marks) 6 (b) Distress in concrete structures.(4 marks) 6 (c) Ferrocement.(4 marks) 6 (d) Fibre reinforced concrete.(4 marks) 6 (e) Explain concept of retrofitting.(4 marks)

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