A general soil profile at a certain site is shown in the scheme below. The lower sand layer is under artesian pressure, the piezometric level being 6 m above ground level. For the clay, m, = 0.94 m²/MN and c, = 1.4 m²/year. As a result of pumping from the artesian layer the piezometric level falls by 3 m over a period of 2 years. Draw the time-settlement curve due to consolidation of the clay for a period of 5 years from the start of pumping. G.S V W.T 12m 4 m Sand Clay m, =0.94 m²/MN C, =1.4 m?/year 8m Artesian sand layer
A general soil profile at a certain site is shown in the scheme below. The lower sand layer is under artesian pressure, the piezometric level being 6 m above ground level. For the clay, m, = 0.94 m²/MN and c, = 1.4 m²/year. As a result of pumping from the artesian layer the piezometric level falls by 3 m over a period of 2 years. Draw the time-settlement curve due to consolidation of the clay for a period of 5 years from the start of pumping. G.S V W.T 12m 4 m Sand Clay m, =0.94 m²/MN C, =1.4 m?/year 8m Artesian sand layer
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