Question: During a vane shear test following observations were made Torque required to rotate blank rod 20kgcm, Torque required to produce failure in clay 200 kg

During a vane shear test following observations were made Torque required to rotate blank rod 20kgcm, Torque required to produce failure in clay 200 kg cm, Subsequent Torque required necessary to maintain movement 50kgcm. Dia of vane 5cm, height of vane 10 cm Calculate shear strength of clay and approximate sensitivity.

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