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Dry sand -0.6 G, 2.68 Groundwater table . Clay e=0.8 G,2.75 efer to the soll profile shown in the figure above. Hi 6 m and H2 -3 m. If the groundwater table rises to 2.5 m below the ground surface, what will be the net change in effective stress at the bottom of the clay layer? Enter your answer to three significant figures.)

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9 68 0110-76 s asfor sand GYO 14 e +0 6 61 (3.68 ) 4 0 6 LAe. for cle fov and as 2 O -for cla66.2s for cay E 66. 025 + 5595x3 S 43 le/

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