The overall economy in using prestressed concrete reduces?

In 1907, the losses of prestress due to elastic shortening of concrete was developed by _______

In reinforced concrete members the prestress is commonly introduced by _______

The necessity of high strength concrete in prestressed concrete is due to _______

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

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

The application of prestressed concrete is done for depth ratio’s having _______

The prestressed concrete flexural member under working load conditions offers superior amount of _______