dead $($including self$-$weight of beam$),$ gk$,$ and imposed, qk$,$ loads of $12kN{m}^{-1}$ and $8kN{m}^{-1}$ respectively. The beam dimensions are breadth, b$,275mm$ and effective depth, d$,450mm.$ Assuming the following material strengths, calculate the area of reinforcement required.

$f_{cu}=30Nm{m}^{-2},f_y=500Nm{m}^{-2}$

Design the shear reinforcement of the above