How much percentage of tensile strain is assumed at the failure of under reinforced sections?

In pre tension & post tension members, the value of tensile stress fp and depth of neutral axis Xu is obtained based on …

Which type of deflections is observed in compression face during under reinforced section failure?

The section modulus z, of designing a rectangular prestressed concrete beam is given as ______

The code used for determining the ultimate flexural strength of the rectangular section?

In under reinforced section failure the beam observes ______

In a concrete member, trapezoidal cable profile is adopted when the beam is subjected to ______

Which one of the following are other modes of failure?