For bars in tension a standard hook has an anchorage value equivalent to a straight length of

Cement used in the construction of docks & harbours is

Maximum strength of concrete occurs at a water content of

Strength of concrete increases with

In a rectangular R.C.C beam , the ratio of maximum shear stress to average shear stress is

Distribution reinforcement in a simply supported slab is provided to distribute

  The term centre of gravity was introduced by

The strength of concrete is directly proportional to