Question 01 A square footing (B*B) must carry a gross allowable load of 42,260 Ib. The base of the footing is to be located at a depth of 3 ft below the ground surface. The unit weight of the soil is 120 lb/ft3, c = 190 lb/ft2, and angle of shearing resistance is 26°. If the required factor of safety is 2, Calculate the size of the footing. Use Terzaghi's bearing capacity factors and general shear failure of soil.

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