Prestressed concrete is widely used in construction by _______

In the zone of anchorages the material preferred to minimize costs is _______

An engineer mandl in 1896 put forward the idea to counteract the stresses acting due to _______

The attempt to introduce permanently acting forces in concrete to resist the elastic forces is _______

In cab cable, the curved portion of the tendon and anchors lie in _______

The utilization of concrete in tension zone of prestressed concrete member saves concrete ranging between _______

The prestressed concrete structures are considered as _______

The compression in concrete and tension in steel are developed by?