G$.$L$.$

Sand $,{}_d=18k\frac{N}{m^3},{}_{\text{s}\text{a}\text{t}}=20k\frac{N}{m^3},{}_s=0\mathrm{.}25,E_s=30000k\frac{N}{m^2}$

$8$ m

Clay

$728282$ Impervious rock

The above figure a $3$m x $6$m $($B x L$)$ footing that is located at the depth of $2$m below ground level. Find the following:

a$.$Terzaghi's Bearing capacity factors $($Nc$,$Nq$,$ N gamma$)$

b$.$ By using Terzaghi's Bearing capacity equation, calculate the ultimate bearing capacity $($qu$)$

c$.$ Calculate the immediate settlement$($Se$)$ for the sand layer..

d$.$ Calculate the ultimate consolidation settlement Sc for the clay layer

e$.$ Determine the ultimate settlement due to the foundation load.