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A normally consolidated clay deposit has an undrained shear strength equal to 139.8 kN/m2. From drained...

A normally consolidated clay deposit has an undrained shear strength equal to 139.8 kN/m2. From drained test values of c and phi are found to be 21.8 kPa and 31.7 degrees, respectively. Use  formulation

If failure occurs in either the undrained state or drained state, what is the major effective principal stress at failure in kPa?

If failure occurs in the undrained state, what is the minor effective principal stress at failure in kPa?

Engineering   Civil-Engineering   
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