2- A site consists of 2m of sand overlying 1m of clay over rock. The water table is at a depth of

0.5m. Determine the total final settlement of the clay layer when 2.5m of fill is added to the site.

The total unit weights of the fill, sand and clay are 20, 19 and 18.2kN/m³, respectively. The

following properties of the clay are known:

m = 28%

Cc = 0.6

Cr= 0.1

o'pc = 50kPa