A layer of saturated clay 5 m thick is overlain by sand 4.0 m deep. The water table is 3m below the top surface. The saturated unit weight of clay and sand are 18KN/m3 and 20KN/m3 respectively. Above the water table, the unit weight of sand is Dmmi Colaulate the effective pressure on a

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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A layer of saturated clay 5 m thick is overlain by
sand 4.0 m deep. The water table is 3m below
the top surface. The saturated unit weight of clay
and sand are 18kN/m3 and 20KN/m3 respectively.
Above the water table, the unit weight of sand is
17KN/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 the
effective pressure at 9m if the soil gets saturated
by capillary, up to height of 1m above the water
table? Yw = 9.81KN/m3.
Transcribed Image Text:A layer of saturated clay 5 m thick is overlain by sand 4.0 m deep. The water table is 3m below the top surface. The saturated unit weight of clay and sand are 18kN/m3 and 20KN/m3 respectively. Above the water table, the unit weight of sand is 17KN/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 the effective pressure at 9m if the soil gets saturated by capillary, up to height of 1m above the water table? Yw = 9.81KN/m3.
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