Problem $2$

Plot the variation of $\frac{u}{B}$ versus reinforced soil bearing capacity based on the following data:

Depth of footing: $1m$

Depth of first reinforcement layer: $0\mathrm{.}5m,1\mathrm{.}5m,2\mathrm{.}5m$

Unreinforced soil bearing capacity: $320$kPa