The prestressing members have better ability of absorbing energy when the structures are subjected to _______

The load at which the prestressed member develops its first crack is called as _______

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

In reinforced concrete members, the prestress commonly introduced is _______

The prestressed concrete involves problems like _______

The prestressing of concrete member is carried out to reduce _______

In 1888, manufacturing of slabs and small beams using embedded tensioned wires in concrete was introduced by _______

In pre-tensioning system, after curing and hardening of concrete the reinforcement is set _______