Example $3$

The beam is loaded by a uniform service $DL=25K\frac{N}{m}$ and a uniform service $LL=35K\frac{N}{m}.$ Compute the area of steel reinforcement for the section.

Take $fc=20$Mpa,$fy=400$Mpa.

Assume $d^{-}=60mm,$ and one layer arrangement of tension steel

Solution