c$)$ Estimate the value of $c_v$ based on the following field observation:

At the end of $5$ years after applying the surcharge, the observed settlement is

$50\%$ of the total primary settlement from part $($b$).$

d$)$ With this estimation of $c_v,$ estimate the excess pore pressure at point $A$ of the

w:

answer a$)$ b$)$ c$)$ d$)$ all of them