Calculate $($total stress$),$ u $($pore water pressure$),$ and ${}^{\text{'}}($effective stress$)$ at A$,$ B$,$ C$,$ and D

and plot the variations with depth.

$H_1=5ft,H_2=6ft,H_3=8ft$

${}_d=112l\frac{b}{f}{t}^3,{}_{\text{s}\text{a}\text{t}}=120l\frac{b}{f}{t}^3,{}_{\text{s}\text{a}\text{t}}=125l\frac{b}{f}{t}^3$

A

$\text{'}$er I

undwater table

$\text{'}$er II

$\text{'}$er III