Two layers of sand and clay respectively, which rest on an impervious rock, are shown in Figure Q.4(b) below. The water

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Two Layers Of Sand And Clay Respectively Which Rest On An Impervious Rock Are Shown In Figure Q 4 B Below The Water 1 (33.01 KiB) Viewed 48 times

Two layers of sand and clay respectively, which rest on an impervious rock, are shown in Figure Q.4(b) below. The water table is 2 m below the ground surface. Ground level Dry Sand Ydry = 15 kN/m 2 m Water table Y Saturated sand Ysat = 18 kN/m 1 m 3 m Saturated clay Year = 17 kN/m m Impervious rock Figure Q.4(b) Determine the total stress, pore water pressure and effective stress: 1) 2 m below the ground level; (3 marks) (ii) 3 m below the ground level; and (3 marks) (iii) 6 m below the ground level. 6 (3 marks)