Three identical specimens (same e, w) of a clay are normally consolidated and sheared consolidated drained (CD) in both compression and extension The stresses at failure for the three specimens are as shown in Fig P13 50 (a) Plot the Mohr circles at failure, and determine ' and T (b) Determine the inclination of the predicted failure planes (from the Mohr failure hypothesis) Sketch the failed specimens, showing their failure planes (c) Sketch the three stress paths (After C W Lovell ) 6 6 45 8 11 3 3 5 L8 3 J 4 14 7 7 6 4 7 7 6 10 8 8 3 18 4 C (AE) A (AC) B (LC)

Question: Three identical specimens (same e, w) of a clay are normally consolidated and sheared consolidated-drained (CD) in both compression and extension. The stresses at failure

Three identical specimens (same e, w) of a clay are normally consolidated and sheared consolidated-drained (CD) in both compression and extension. The stresses at failure for the three specimens are as shown in Fig. P13.50

(a) Plot the Mohr circles at failure, and determine âˆ…' and âˆ…T

(b) Determine the inclination of the predicted failure planes (from the Mohr failure hypothesis). Sketch the failed specimens, showing their failure planes.

|6.6 45.8 -11.3 3.5 L8.3 J.4. 14.7 7.6 4.7 7.6 10.8 8.3 18.4 C (AE) A (AC) B (LC)

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