Question: The stresses induced by a surface load on a loose horizontal sand layer were found to be v = 5.13 kPa, t v = 1.47

The stresses induced by a surface load on a loose horizontal sand layer were found to be v = 5.13 kPa, t v = 1.47 kPa, t h = 3.2 kPa, t h = -1.47 kPa. By means of Mohr circles, determine if such a state of stress is safe. Use Eq. (11.11) for the definition of factor of safety.?

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