Concrete Technology and Design of Concrete Structures
The main reinforcement in the heel of a T-shaped R.C. retaining wall is provided on

bottom face perpendicular to wall
None of these
both top and bottom faces perpendicular to wall
top face perpendicular to wall

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Concrete Technology and Design of Concrete Structures
According to IS : 456-1978, the fiexural strength of concrete is

directly proportional to square root of compressive strength
inversely proportional to compressive strength
directly proportional to compressive strength
inversely proportional to square root of compressive strength

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