Question: A granular soil is tested in direct shear under a normal stress of 350 kPa. The size of the specimen is 7.62 cm in diameter.

A granular soil is tested in direct shear under a normal stress of 350 kPa. The size of the specimen is 7.62 cm in diameter. If the soil to be tested is a dense sand with an angle of internal friction of 38°, determine the size of the force transducer required to measure the shear force with a factor of safety of 2 (that is, the capacity of the transducer should be twice that required to shear the sand).?

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