Q$3)$ a$)$ Considering the static case only for the given retaining wall;

a$)$ Perform the flexural design for the stem section and determine the required reinforcement.

b$)$ Determine the reinforcement for the footing considering minimum and constructive requirements $($including shrinkage cracking control rebars$)$ and draw the reinforcement scheme.

Material: $C\frac{25}{S}420a$

$q=7\mathrm{.}5k\frac{N}{m^2}$

$d^{\text{'}}=5cm$

$=32$

${}_d=18k\frac{N}{m^3}$