Determine the vertical effective stress, σ’v, at Point E in kPa in the soil profile. Use 9.81kN/m3 for the unit weight of water. Depth(m)Dense fine to medium sandy=20 kN/m36.Silty clayYsat=18 kN/m3(C)D18Clean sand and gravelYsat=22 kN/m324E

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Answered: Determine the vertical effective…

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.
A rectangular footing (4.55 x 4.8 m.) is placed 1.42 m. below the ground surface. The soil arrangement is composed of sand (ground) for the first 5.55 meters and followed by clay for the next 5.98 meters. The force acting on the footing is 10,647 kN. Determine the settlement of the consolidating layer in mm. Assume a 2V:1H pressure diagram. Unit weight of sand = 16.7 kN/m3. Clay has the following properties: unit weight = 18.9 kN/m^3, void ratio=30, liquid limit = 43
Solve correctly
solve situation 2
A rectangular footing (4.31 x 4.07 m.) is placed 1.2 m. below the ground surface. The soil arrangement is composed of sand (ground) for the first 5.52 meters and followed by clay for the next 5.91 meters. The force acting on the footing is 10,163 kN. Determine the settlement of the consolidating layer in mm. Assume a 2V:1H pressure diagram. Unit weight of sand = 16.6 kN/m3. Clay has the following properties: Unit weight = 18 kN/m3, Void ratio = 82, Liquid limit = 44. Round off to two decimal places.
33
For a certain soil, the angle of internal friction is 30°. The coefficient of active and passive pressure. (a) 0.6, 2.4 (c) 0.5, 0.8 (b) 0.4, 1.2 (d) 0.33, 3
Q-1: For the following soil system determine the effective stress and pore-water pressure at the point “A" when i) water table is at ground surface ii) water table is 1m below the ground surface (consider ya = 16 kN/m³) 1 m Ysat = 18 kN/m 5 m 5 m Ysat= 18 kN/m Yw = 10 kN/m A Y = 10 kN/m³ (i) (ii)
a) plot the variation of active pressure along the wall and b) determine the magnitude and location of the active force for a 5 ft segment of the wall.
Calculate the effective stress before drawdown in the soil at the depth of soil and depth of water 30ft and 25ft respectively and the unit weight of soil is 120 Ib/ft. Given that B = 0.82. Answer

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