For a longitudinal reinforcing bar in a column, the minimum cover shall neither be less than the diameter of bar nor les…

Modulus of elasticity of steel as per IS : 456-1978 shall be taken as

Strength of concrete increases with

For a cantilever of effective depth of 0.5 m, the maximum span to satisfy vertical deflection limit is

According to Whitney’s theory, ultimate strain of concrete is assumed to be

Which of the following R.C. retaining walls is suitable for heights beyond 6 m?

A higher modular ratio shows

According to IS : 456-1978, the fiexural strength of concrete is