A sample of ocean sand was retrieved from 7 m below the surface. The sample had been under a vertical stress Ov of 150 kN/m³, a horizontal stress Oh of 250 kN/m³, a shear stress of 86.6 kN/m. If the angle theta between the vertical stress and the principal stress is 60°, calculate the angle of internal friction of the soil. [
A sample of ocean sand was retrieved from 7 m below the surface. The sample had been under a vertical stress Ov of 150 kN/m³, a horizontal stress Oh of 250 kN/m³, a shear stress of 86.6 kN/m. If the angle theta between the vertical stress and the principal stress is 60°, calculate the angle of internal friction of the soil. [
Fundamentals of Geotechnical Engineering (MindTap Course List)
5th Edition
ISBN:9781305635180
Author:Braja M. Das, Nagaratnam Sivakugan
Publisher:Braja M. Das, Nagaratnam Sivakugan
Chapter10: Shear Strength Of Soil
Section: Chapter Questions
Problem 10.10P
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A sample of ocean sand was retrieved from 7 m below the surface. The sample had been under a vertical stress Ov of 150 kN/m³, a horizontal stress Oh of 250 kN/m³, a shear stress of 86.6 kN/m. If the angle theta between the vertical stress and the principal stress is 60°, calculate the angle of internal friction of the soil. [Hint: you
must sketch the Mohr circle of stresses]
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