# 9_stresses in soil_homework.pdf - Lecture 9 Stresses in...

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Lecture 9: Stresses in Soil Division of Geotechnical Engineering_ Water Resources University Page 1 Problem 1 A soil element is shown. Determine: A. Magnitudes of the principal stresses B. The Normal and shear stresses on plane AB ( 𝜃 = 30 0 ) Problem 2 Draw an M-C for the state of stress at a point shown and find the principal stresses and the maximum shear stress. What would be the normal and shear stresses on a plane inclined at 30 0 to vertical, counter clockwise? Problem 3 A soil element is shown in the figure below. Determine the following: a. Maximum and minimum principal stresses b. Normal and shear stresses on the plane AB Problem 4 Using the principles of Mohr’s circles for the soil element shown in Figure below, determine the following: a. Maximum and minimum principal stresses b. Normal and shear stresses on the plane AB (the chosen angle is 40 0 - inclines to the horizontal plane)

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Lecture 9: Stresses in Soil Division of Geotechnical Engineering_ Water Resources University Page 2 Problem 5: A soil element is shown in Figure below. Determine the following:
• Fall '19

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