State the advantages of concrete as a construction material.
[3 marks]Enlist Bouge’s compounds of cement. Explain their role in the hydration process.
[4 marks]Determine the Fineness Modulus for the given Sieve analysis performed on fine aggregate. Weight of F.A. retained on lower than 150µ is 35 gm. IS Sieve 10 4.75 2.63 1.18 600µ 300µ 150µ size mm mm mm mm Weight retained 0 10 50 50 95 175 85 (gm)
[7 marks]Plot the flow chart for dry and wet process of cement manufacturing.
[3 marks]Classify the coarse aggregates based on source, shape and texture.
[4 marks]Explain briefly Alkali-Aggregate reaction. Discuss factors promoting the Alkali-Aggregate reaction in detail.
[7 marks]Explain the test for the determination of aggregate crushing value.
[7 marks]State the methods adopted for the transportation of concrete. Explain any one method.
[3 marks]Explain the segregation of concrete.
[4 marks]Enlist various factors affecting workability of concrete and discuss it in detail.
[7 marks]State the importance of compaction to achieve desired quality of concrete.
[3 marks]Discuss the effect of Height/Diameter ratio on strength of concrete.
[4 marks]Explain the test method to determine flexural strength of concrete in detail.
[7 marks]Define the terms. (i) Shrinkage (ii) Creep (iii) Durability
[3 marks]Explain following factors which contributes to cracks in concrete.
[4 marks]Plastic Shrinkage (ii) Carbonation
[ marks]Briefly explain the sulphate attack on concrete. Also discuss the methods to control sulphate attack.
[7 marks]State the objectives of concrete mix design.
[3 marks]Define Permeability of concrete. State the factors due to which concrete will have higher permeability in actual structures.
[4 marks]Define nominal mix and design mix for concrete. Explain step by step procedure of the IS method of mix design.
[7 marks]State the Limitations of Rebound Hammer Test.
[3 marks]Enlist methods to measure the workability of fresh concrete. Explain any one in detail.
[4 marks]Explain the pull out test method in detail.
[7 marks]State the essential characteristics of water that can be used for mixing and curing of concrete.
[3 marks]Write short note on Ferro Cement.
[4 marks]Discuss Fiber Reinforced Concrete in detail.
[7 marks]