Unformatted text preview: circles and clearly identify values of c’ and ’ ). c. The τ ff versus σ ' fc shear strength envelope. (clearly identify values for the slope angle, ψ , and the shear stress intercept, d ). Your plots must be made on grid paper. Your calculations must clearly show what the principal stresses are for each Mohr’s circle. 2. A sample of clayey soil has the following properties: Natural moisture content = 36%; Plastic limit = 27; Liquid limit = 44; Fines content = 95%; and Clay faction = 33%. Provide estimates of the peak, softened, and residual drained friction angles. Cite the source(s) of the information you used in developing your estimates....
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- Fall '10
- shear strength envelope, Mohr-Coulomb shear strength