Q$.1($a$)$ The soil profile and properties were found as shown in Figure Q$\mathrm{.}1($a$).$

Determine the following at $2m,6m$ and $10m$ below the ground surface, respectively.

$(9$ marks$)$

$($i$)$ Total vertical stress $({}_v)$;

$($ii$)$ Pore water pressure $($u$)$; and

$($iii$)$ Effective vertical stress $({}_v^{\text{'}}).$

Figure Q$\mathrm{.}1($a$)$: Soil profile

$($b$)$ Draw a diagram to present the soil formation process.

$(9$ marks$)$