1 1. (a) What
is effect of Water Cement Ratio on Strength of Concrete. Explain Abram’s Law
(b) Explain the relation between compressive and
tensile strengths of concrete
2. Explain
in detail about
(a) Self-Compacting
Concrete
(b) Fibre Reinforced Concrete
3. Explain the factors to be considered in the choice of
concrete mix proportions
4. (a) Explain different types of static modulus of
elasticity.
(b) What
is Creep? Draw the Creep curve including Creep recovery and explain the mechanism of Creep.
5. Design M 35 Grade concrete mix for the following data using BIS method:
CA: 16mm crushed granite
FA: River sand confirming to zone
III
Workability
: Medium
Quality control : Medium
Exposure : Moderate
Cement: OPC 53 grade
Specific Gravity: Cement: 2.99,
FA: 2.65, CA: 2.55
Water Absorption by CA: 3%
Free Surface Moisture in FA: 3%
Bulky of FA: 10%
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