$10\mathrm{.}15$ A $2-$m thick fill with an in place unit weight of $19\mathrm{.}2k\frac{N}{m^3}$ is to be placed on top of the

soil profile shown in Figure $10\mathrm{.}25.$ Both the sand and the clay are normally consolidated.

FIGURE $10\mathrm{.}25$ Soil Profile for Problem $10\mathrm{.}15.$