surface.

Using Design Approach $3,$ of Eurocode $7,$ check the overturning limit state $($ONLY$)$ of the

Question hat$(3)$ proposed design of the mass concrete retaining wall shown in Figure Qu$3.$ The wall is to be embedded into the foundation soil to a depth of $1\mathrm{.}0$ m and will retain granular fill to a height of $4$ m as shown. Take the unit weight of concrete as ${}_c=24k\frac{N}{m^3}$ and ignore any passive resistance from the soil in front of the wall.

$[20$ Marks$]$