engineering recuitment UKPSC Polytechnic Lecturer Mock Test 2024 Reinforced Concrete Structures Prestress Concrete
The extreme stress at the top and bottom edges of a prestressed beam when tendons are placed along the longitudinal axis of the beam are
1
\(\frac{P}{A} \pm \frac{M}{Z}\)
2
\(\frac{P}{Z} \pm \frac{M}{A}\)
3
\(\frac{P}{A} \pm \frac{M}{I}\)
4
\(\frac{P}{I} \pm \frac{M}{A}\)