$($b$)$ A shear wall is being design for installation in a new building. The proposed wall

dimensions are $2$ metres high x $2$ metres long x $300$mm wide. Calculate the

shear deflection and the total deflection of the shear wall when a force, P $=50$

kN is applied at floor level. Use a shape factor, $=6$

$5$

$,$ to calculate the shear

stress $($i$.$e$.=$

$$

$).$ Assume E $=30$ kN$/$mm$2$ and G $=20$ kN$/$mm$2$ for concrete.

$[8$ marks$]$