Extracted text: Dry sand; e = 0.55 G, = 2.66 3 m Water table 15 m. Sand G, = 2.66 e = 0.48. 5 m Clay w = 34.78% G, = 2.74 D Rock Figure P2.12 2.13 For a normally consolidated clay layer, given: Thickness 3.7 m Void ratio = 0.82 Liquid limit 42 Average effective stress on the clay layer 110 kN/m2 How much consolidation settlement would the clay undergo if the average effective stress on the clay layer is increased to 155 kN/m2 as the result of the construction of a foundation?