Question: A site is underlain by two saturated soil layers over bedrock. The top layer is sand ( 6 m thick ) and the bottom layer

A site is underlain by two saturated soil layers over bedrock. The top layer is sand (6m thick) and the bottom layer is clay (8m thick). The sand has a friction angle of 38 degrees and the clay has a friction angle of 27 degrees and a preconsolidation stress of 200 kPa. Calculate the OCR of the clay.
Calculate the lateral stress ratio of the clay using Mayne and Kulhawys (1982) correlation. Calculate the undrained shear strength of the clay using Maynes (1980) correlation.

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