Question: A direct shear test is conducted on a 60 mm x 60 mm overconsolidated clay specimen. The loading was very slow, ensuring that there is

A direct shear test is conducted on a 60 mm x 60 mm overconsolidated clay specimen. The loading was very slow, ensuring that there is no pore water pressure development within the specimen (i.e., drained loading). The following data were recorded.

Normal Shear load load (N) (N) (kN/m?) (kN/m?) 178 102 49.4 28.3 362 174 100.6 48.3 537 256 149.2 71.1 719 332 199.7 92.2

Determine the shear strength parameters c9and f9.

Normal Shear load load (N) (N) (kN/m?) (kN/m?) 178 102 49.4 28.3 362 174 100.6 48.3 537 256 149.2 71.1 719 332 199.7 92.2

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