On the graph paper provided plot the shear strength line for a soil with parameters c' = 5kPa and $'= 28° and write the equation of the shear strength of soil in relation to effective stress.
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On the graph paper provided plot the shear strength line for a soil with parameters c' = 5kPa and $'= 28° and write the equation of the shear strength of soil in relation to effective stress.
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- A soil profile is shown in figure below. Calculate the following:a. Effective stress at point A in kPa.b. Effective stress at point B in kPa.c. Effective stress at point C in kPa.QUESTION 5 The shear strength parameters of a soil are given as C = 4 psi and 0=25°. What will be the axial stress (also called deviator stress, Ao) at failure if a triaxial compression test is performed on the same soil with a confining pressure of 10 psi? Shear Stress at failure, t (psi) 30 20 10 10 30 40 50 Normal Stress, o (psi) O 38 psi O 28 psi O 19 psi 14 psi 20Civil engineering question A sample of soil (0.2 m x 0.2 m) is subjected to forces as shown. Determine the principal stresses and the stresses oriented at 30 degrees counter clockwise from the major principal stress plane.
- A soil element is shown in the figure below. Determine the following: (in kPa) a. Maximum Principal Stress b. Minimum Principal Stress c. Normal Stress on plane AB d. Shear Stress on plane ABThe "total" shear strength parameters of a soil are given as: Cohesion, c 50 kPa; Angle of internal friction (also known as total friction angle),phiD 25 degrees If the normal shear stress (sigma) on a plane is 250 kPa calculate the total shear strength tau fQ-2 For the soil profile shown in the figure below calculate and plot the total stress, pore water pressure and effective stress at points A, B, C and D. Give the following Data :
- A soil element is shown in the figure below.  Determine the following: (in kPa) a. Maximum and Minimum Principal Stress c. Normal Stress and Shear Stress on plane ABThe "total" shear strength parameters of a soil are given as: Cohesion, c 60 kPa; Angle of internal friction (also known as total friction angle).phi= 25 degrees If the normal shear stress (sigma) on a plane is 350 kPa calculate the total shear strength7. A soil element is subjected to a combination of normal and shear stresses, as shown in the following figure. The corresponding Mohr's circle of stress is provided, and some points (with Coordinates) and lines are added to assist you. Complete the following 1) Which point represents the normal and shear stresses on the horizontal plane PQ? 2) Which point represents the normal and shear stresses on the vertical plane QN? 3) Which point represents the pole of this Mohr circle? 4) Which point represents the normal and shear stresses on plane MN? 5) Which point represents the major principal stress? 6) Which point represents the minor principal stress? Note: all dashed lines are parallel to each other with the inclination angle given. b(72, 40) 40 a(112, 40) 457 30 112 kPa c(52,20) j(132,20) 20 40 kPa - P. 10 M 七 d(47,0) i(137,0) to 72 kPa -10 40 kPa e(52,-20) h(132,-20) 45 -20 -30 -40 g(112,-40) A72,-40) 90 100 110 120 130 140 150 30 40 50 60 70 80 Normal Stress, kPa Shear Stress, kPa
- Stresses acting on an infinitesimal soil element are shown in the figure (with o₂ > 0). The major and minor principal stresses are o, and o3, respectively. Considering the compressive stresses as positive, which one of the following expressions correctly represents the angle between the major principal stress plane and the horizontal plane? ox Tzx ·0xA cylindrical specimen of soil is compressed by an axial principal stress of 500 kPa and a radial principal stress of 200 kPa. Plot Mohr’s circle of stress and determine (a) the maximum shear stress and (b) the normal and shear stresses on a plane inclined at 300 counterclockwise from the horizontal. Draw the graph with solution.A series of direct shear tests have been performed on a soil, using a circular shear box witha diameter D = 2.5 in. The data from these tests, in terms of normal force applied and maximum shearforce at failure, are listed below. Calculate the normal stress and the shear stress at failure in each test,graph the results on a σ−τ max plot and determine the cohesion and friction angle of this soil. Plot toscale, show units, and make sure to use the same scale for both axes.