For the following soil profile, calculate and plot the vertical and horizontal effective stress profile. The ground water table is at a depth of 2 m below the surface. Total unit weight 1.8 T/m? 1.75 T/m³ 1.90 T/m³ Soil Layer Lateral Earth Pressure coeffīcient K. 0-3 m 0.45 3-7 m 0.50 7-12 m 0.42

For the following soil profile, calculate and plot the vertical and horizontal effective stress profile. The ground water table is at a depth of 2 m below the surface. Total unit weight 1.8 T/m? 1.75 T/m³ 1.90 T/m³ Soil Layer Lateral Earth Pressure coeffīcient K. 0-3 m 0.45 3-7 m 0.50 7-12 m 0.42

Principles of Geotechnical Engineering (MindTap Course List)

9th Edition

ISBN:9781305970939

Author:Braja M. Das, Khaled Sobhan

Publisher:Braja M. Das, Khaled Sobhan

Chapter9: In Situ Stresses

Section: Chapter Questions

Problem 9.4P

See similar textbooks

Similar questions

Given the soil profile below, determine the Total Stress, Neutral Stress and Effective Stress at points A, B, C, and D . Plot as well the soil pressure diagram. H1= 1.9m; H2=0.95m; H3=1.9m
The soil stress state is shown in the figure, σx = 10 kN/m2, σy = 50 kN/m2, τxy = -10 kN/m2:(1) Please use Mohr circle to draw the soil stress state(2) Calculate the maximum principal stress σ1 and the minimum principal stress σ3(3) Please find the (pole) position(4) What is the angle of intersection between the maximum principal stress surface and the horizontal plane?
2) A soil profile consisting of three layers is shown in the Figure. A) Calculate the values of σ, u and σ' at points A,B,C and D if Layer 1: H1=5m, e=0.7, Gs=2.69 Layer 2: H2=8m, e=0.55, Gs=2.7 Layer 3: H3=3m, w=38%, e=1.2 B) What is the change in effective stress at point C if: If the water table drops by 2m? If the water table rises to the surface up to point A? Water level rises 3 m above point A due to flooding?
6. From the given soil profile, the groundwater table is located 2m below the ground level. (See picture below) Compute the horizontal effective stress at point A. (Answer: 53.36 kPa) Compute the lateral effective stress at point A if the lateral earth pressure coefficient at rest is K0=0.50. (Answer: 26.68 kPa) Compute the lateral total stress at point A. (Answer: 56.11 m)
For the soil profile given in Figure Q1: (a) Calculate the total stress, pore water pressure, and effective stressat depth of 4m and 8m. (b)Determine the horizontal effective stress at the depth of 21m if the coefficient of earth pressure at rest is 0.48.
Plot the distribution of total stress, effective stress, and porewater pressure with depth for the soil profile shown in Figure 1. Neglect capillary action and pore air pressure.
40 Refer to the soil profile shown. Given H1 = 9.89 m., and H2 = 4.4 m. If the ground water table rises by 3.13 meters, determine the change in effective stress (numerical value only, in kPa) at the bottom of the clay layer. Properties of dry sand: Gs = 2.54, e = 0.69. Properties of clay: Gs = 2.77, e = 0.85. Round off to two decimal places.
The soil stress state is shown in the figure, σx = 10 kN/m2, σy = 50 kN/m2, τxy = -10 kN/m2 What is the angle of intersection between the maximum principal stress surface and the horizontal plane?
A soil profile consists of a clay layer underlain by a sand layer, as shown in Figure. If a tube is inserted into the bottom sand layer and the water level rises to 1 m above the ground surface, determine the vertical effective stresses and porewater pressures at A, B, and C. What is the value of the porewater pressure at A to cause the vertical effective stress there to be zero?
Refer to Figure 8.13. The magnitude of the line load q is 45 kN/m. Calculate and plot the variation of the vertical stress increase, between the limits of x = 10 m and x = +10 m, given z = 4 m. FIG. 8.13 Line load over the surface of a semiinfinite soil mass
Repeat Problem 10.12 for q = 700 kN/m2, B = 8 m, and z = 4 m. In this case, point A is located below the centerline under the strip load. 10.12 Refer to Figure 10.43. A strip load of q = 1450 lb/ft2 is applied over a width with B = 48 ft. Determine the increase in vertical stress at point A located z = 21 ft below the surface. Given x = 28.8 ft. Figure 10.43
For the same line loads given in Problem 10.8, determine the vertical stress increase, z, at a point located 4 m below the line load, q2. Refer to Figure 10.41. Determine the vertical stress increase, z, at point A with the following values: q1 = 110 kN/m, q2 = 440 kN/m, x1 = 6 m, x2 = 3 m, and z = 4 m. Figure 10.41