GS 1.87 Vm GWT Sand Yar QI: Plot the variation of the total vertical stress, effective stress, and pore water pressure for the soil layer shown below: Y 1.96t/m 3.5 m Clay Y 2.55t/m Sand
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- 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 10.416. 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)Subject: soil mechanics I want part b. Please help me with part b. Or can you answer both a and b ? A 10 ft diameter flexible loaded area is subjected to a uniform pressure of 1200 lbs/ft2. a. Plot the variation of the vertical stress increase beneath the center with depth z = 0 to 20 ft. b. In the same plot, show the variation beneath the edge of the loaded area.
- 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?11. Consider the downward flow of water through a layer of sand in the tank shown. (see picture below) Void ratio of the soil = 0.52 Specific Gravity = 2.70 Compute the value of h1. (Answer: 0.436) Compute the effective stress at A. (Answer: 17.44 kPa) Compute the effective stress at B. (Answer: 31.98 kPa) Compute the seepage force per unit volume. (Answer: 3.57 kN/m3)Determine the total stress, pore water pressure, and effective stresses at the top and bottom, at each interface between soil layers, at 2.5m at the bottom of the profile. For specific gravity, Gs = 2.68.
- Given H1 = 8.3 m., and H2 = 4.43 m. If the ground water table rises by 2.29 meters, determine the change in effective stress (numerical value only, in kPa) at the bottom of the clay layer. Properties of dry sand: Gs = 2.59, e = 0.61. Properties of clay: Gs = 2.74, e = 0.86. Round off to two decimal places. Answer: 13.95Refer to the soil profile shown. Given H1 = 9.76m and H2 = 4.22 m. If the ground water table rises by 2.41 meters, determine the change in effective stress (numerical value only, in kPa) at the bottom of the clay layer. Properties of dry sand: Gs = 2.56, e =0.61. Properties of clay: Gs = 2.79, e = 0.83.The figure shows a layer of granular soil in a tank with an upward seepage by applying water through the valve at the bottom of the tank. The loss of head caused by upward seepage between the levels of A and B is 0.71m. The void ratio of the soil is 0.511 ,its specific gravity is 2.719, h1=0.99m, h2=2.06m, h3=2.91m. 1. Compute the effective stress at C in kPa. 2. .Compute the critical hydraulic gradient. X IN FIGURE IS 1 = 0.71m
- A granular soil is subjected to a minor principal stress of 200 kN/m2. If the angle of internal friction is 30°, determine the inclination of the plane of failure with respect to the direction of the major principal stress. Show free body diagram. a.30 b.45 c.60 d.37.54. A 10 m thick layer of shift, saturated clay is underlain by a layer of sand. The sand is under artesian pressure. (see picture below) Calculate the max depth of cut H, that can be made in the clay. (Answer: 6.9 m) Calculate the effective stress of A. (Answer: 58.9 kPa) Calculate the effective stress of B. (Answer: 19.225 kPa)Referring in the Fig. 2 below, B = 6m and q =150 kPa. For Point P, z = 2m and x = 1.5m. Determine the vertical stress at Point P.