A specimen of saturated sand was consolidated under on all around confining pressure of 414 kPa. The axial stress was then increased and drainage of pore water was prevented. The soil specimen failed with the deviator stress reached 346 kPa. The pore water pressure at failure was measured from a pore water supply line connected at the base of the soil specimen was found to be 286 kPa. a. Compute the consolidated undrained angle of shearing resistance. b. Compute the drained friction angle. c. What would be the deviator stress at failure if a drained test was conducted with the same chamber all around pressure of 414 kPa?

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