Question: The medium gray silty clay of Fig. 8.23(b) at a depth of 20 m had an LL of 38 and a PL of 23. Estimate

The medium gray silty clay of Fig. 8.23(b) at a depth of 20 m had an LL of 38 and a PL of 23. Estimate the following parameters for this soil:

(a) Coefficient of earth pressure at rest;

(b) Effective angle of internal friction;

(c) Ratio of t f / σ'vo;

(d) Activity;

(e) Sensitivity;

(f) The un-drained Young's modulus.

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