A Series Of Conventional Triaxial Compression Tests Were Conducted On

A series of conventional triaxial compression tests were conducted on three identical specimens of a saturated clay soil. Test results are tabulated below.
(a) Sketch the total and effective stress paths for each test, and determine the Mohr-Coulomb strength parameters in terms of both total and effective stresses.
(b) Estimate the theoretical angle of the failure planes for each specimen.
(c) Do you believe this clay is normally or over-consolidated? Why?

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