A consolidated drained test was carried out on a sandy clay under a cell pressure of...

 

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A consolidated drained test was carried out on a sandy clay under a cell pressure of 250 kPa. A constant back pressure of 120 kPa applied throughout the test. The dimensions of the sample were 76 mm x 38 mm. Addional test data recorded at failure were: Load transducer force = 368 N Measured change in volume = 2.42 x 10 m³ Axial deformation = 2.05 mm Determine the major principal stress, a, at failure. (455 kPa) A consolidated drained test was carried out on a sandy clay under a cell pressure of 250 kPa. A constant back pressure of 120 kPa applied throughout the test. The dimensions of the sample were 76 mm x 38 mm. Addional test data recorded at failure were: Load transducer force = 368 N Measured change in volume = 2.42 x 10 m³ Axial deformation = 2.05 mm Determine the major principal stress, a, at failure. (455 kPa)

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