Situation 2 The water table in an 8 m thick silty sand deposit lies at a depth 3 m below the ground level. The entire soil above the water table is saturated by capillary water and the saturated unit weight is 18.8 kN/m³. 7. Calculate the effective stress at the ground surface in kPa. C. 14.72 D. 0 8. A. B. 29.43 7.36 Calculate the effective stress at the water table. A. 26.97 B. 85.83 C. 0 D. 56.40

Situation 2 The water table in an 8 m thick silty sand deposit lies at a depth 3 m below the ground level. The entire soil above the water table is saturated by capillary water and the saturated unit weight is 18.8 kN/m³. 7. Calculate the effective stress at the ground surface in kPa. C. 14.72 D. 0 8. A. B. 29.43 7.36 Calculate the effective stress at the water table. A. 26.97 B. 85.83 C. 0 D. 56.40

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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3. | Calculate the change in total vertical normal stress (o) and in effective stress (o) ai a depth of 10 feet in a saturated clay layer if the water table is dropped from the ground surface to a depth of 20 feet below the ground surface. The clay has a water content of 35%, S = 100% and G, = 2.75. Assume that no change in degree of saturation or water content occurs when the water table is lowered. Take into account the capillary stresses generated.
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or the soil profile shown in the Figure: a. Calculate the effective stress at point C. b. How high should the water table rise so that the effective stress at C is 200 kN/m²? Dry sand Yory-165 AN 6m Groundwater table Saturated sand 13m 7-19.25 AN Dry sand Satted sand Clay
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A soil profile shown has a zone of capillary rise in the sand overlying the clay. In this zone, the average degree of saturation is 60% with a moist unit weight of 17.6 kN/cu.m.Compute the effective stress inside the capillary zone at a depth of 3.0 m below the ground surface. Compute the effective stress at a depth of 3.9 m below the ground. Compute the effective stress at C.
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