engineering recuitment GATE CE 2023-24 Test Series Soil Mechanics and Foundation Engineering Consolidation
A clay layer of 8 m thickness lies between two permeable layers of coarse sand 4 m thick. The sand has a bulk unit weight of 16 kN/m3 and a saturated unit weight of 20 kN/m3 and the saturated unit weight of clay layer is 18 kN/m3. The water table is at a depth of 2 m into the sand layer from ground level. For the clay, mV = 9.4 × 10-4 m2/kN and cv = 3.8 × 10-8 m2/sec. Calculate the final consolidation settlement if the water table falls by 2m. (in ‘mm’ up to 2 decimal places)
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