SPPU Civil Engineering (Semester 7)
Advanced Concrete Technology
May 2017
Total marks: --
Total time: --
INSTRUCTIONS
(1) Assume appropriate data and state your reasons
(2) Marks are given to the right of every question
(3) Draw neat diagrams wherever necessary


Solve any one question from Q.1(a,b) &Q.2(a,b)
1(a) Write a short note on previous concrete.
4 M
1(b) What is copper slag? What is the effect of copper slag using as a find aggregate on workability and strength of the concrete?
6 M

2(a) What is light weight concrete? How it can be achieved in practice?
4 M
2(b) Write a short notes on
i) Jet cement concrete (Ultra rapid hardening concrete)
ii) Ultra light weight concrete
6 M

Solve any one question from Q.3(a,b) &Q.4(a,b)
3(a) Write a short note on manufactured sand as a find aggregate.
4 M
3(b) Explain the step by step procedure involved in the design of pumpable concrete mixes.
6 M

4(a) Write a short note on vacuum concrete.
4 M
4(b) Write a short notes on non destructive testing methods
i) Stress wave propagation method
ii) Nuclear methods
6 M

Solve any one question from Q.5(a,b,c) &Q.6(a,b,c)
5(a) Enlist different naturally occuring fibers. Explain any two in detail.
4 M
5(b) Explain the merits and demerits of fibers in respect of fiber reinforced concrete.
6 M
5(c) Write a short note on:
i) Glass fibers.
ii) Steel fibers
6 M

6(a) Explain the historical developement of fiber reinforced concrete composite.
4 M
6(b) Define fiber reinforced concrete composite? Enlist different naturally occuring fibers. Explain any two in brief.
6 M
6(c) Explain in detail interaction between fiber matrix composite under cracked and uncracked condition.
6 M

Solve any one question from Q.7(a,b,c) &Q.8(a,b,c)
7(a) Explain the behaviour of hardened steel fiber reinforced concrete under tension.
4 M
7(b) What precautions should be taken during mixing and casting of fiber reinforced concrete composite?
6 M
7(c) Which are the constituent materials used in the SIFCON? Explain the physical properties of each material?
6 M

8(a) Write a short note on polymer fiber reinforced concrete composite.
4 M
8(b) What are the factors affecting strength of hardened FRC?
6 M
8(c) Explain the behaviour of hardened steel fiber reinforced concrete under compression?
6 M

Solve any one question from Q.9(a,b,c) &Q.10(a,b,c)
9(a) Define ferrocement? What are its applications?
6 M
9(b) What are the different tests conducted on cement mortar as a ferrocement material? Explain any one in detail.
6 M
9(c) Explain skeletal armature method of ferrocement along with merits and demerits.
6 M

10(a) What are the advantages Ferrocement?
6 M
10(b) Enlist factors affecting ferrocement material in fresh and hardened state. Explain the effect of water cement ratio on properties of ferrocement material?
6 M
10(c) Explain open mould technique for ferrocement with merits and demerits.
6 M



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