$2$ The figure shown is a foundation piece with dimensions of $30$ meters x $03$ metres, with a uniform pressure of $400$ m$/$kN $=0$q$.$

$,)$ Note that the two layers

They are Clay Consolidated Over$),$ and the characteristics of each layer are shown on it$.$

Required: A$)$ Calculate the expected amount of subsidence in the first and second clay layers, and the total subsidence of the foundation

$2)$ The necessary time to achieve $53\%$ of the landing weight $(50$t$)($in the base case, the value of the compressibility coefficients$)$

CV $($for each layer indicated on it$,$ and the soil layers are permeable from one side only.

$($Note: The pressure under the foundation is distributed at an angle

$3$

$63$ from the bottom of the base$)$