Calculate the major principal stress at failire

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Reference no: EM131373638

The relationship between the relative density, Dr, and the angle of friction, φ', of a sand can be given as φ' = 28 + 0.18Dr (Dr in %). A drained triaxial test was conducted on the same sand with a chamber-confining pressure of 150 kN/m². The sand sample was prepared at a relative density of 68%. Calculate the major principal stress at failire.

Reference no: EM131373638

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