Question: A square footing (B ( B) must carry a gross allowable load of 1111 kN. The base of the footing is to be located at

A square footing (B ( B) must carry a gross allowable load of 1111 kN. The base of the footing is to be located at a depth of 1.37 m below the ground surface. If the required factor of safety is 4, determine the size of the footing. Use Terzaghi's bearing-capacity factors and assume general shear failure of soil.
Given: ( = 18.2 kN/m3, c' = 43 kN/m2, ( = 29°.

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