A layer of saturated clay 5 m thick is overlain by sand 4.0 m deep. The water table is 3 m below the top surface. The saturated weights of clay and sand are 18 kN/m3 and 20 kN /m3 , respectively. Above the water table, the unit weight of sand is 17 kN/m3 . Calculate the effective pressure on a horizontal plane at a depth of 9 m below the ground surface. What will be the increase in effective pressure at 9 m, if the soil gets saturated by capillary up to height of 1 m above water table?

A layer of saturated clay 5 m thick is overlain by sand 4.0 m deep. The water table is 3 m below the top surface. The saturated weights of clay and sand are 18 kN/m3 and 20 kN /m3 , respectively. Above the water table, the unit weight of sand is 17 kN/m3 . Calculate the effective pressure on a horizontal plane at a depth of 9 m below the ground surface. What will be the increase in effective pressure at 9 m, if the soil gets saturated by capillary up to height of 1 m above water table?

Fundamentals of Geotechnical Engineering (MindTap Course List)

5th Edition

ISBN:9781305635180

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter8: Stresses In A Soil Mass

Section: Chapter Questions

Problem 8.26CTP

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P4: A layer of saturated clay 5 m thick is overlain by sand 4.0 m deep. The water table is 3 m below the top surface. The saturated unit weights of clay and sand are 18 kN/m' and 20 kN/m respectively. Above the water table, the unit weight of sand is 17 kN/m. Calculate the effective pressures on a horizontal plane at a depth of 9 m below the ground surface. What will be the increase in the effective pressure at 9 m if the soil gets saturated by capillary, up to height of 1 m above the water table?
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