A 3 mx 3m square spread footing is to support a 350 mm x 350 mm column carrying a dead load of 750 kN and live load of 500 kN. For concrete fc is 21 MPa and for steel, fy is 415 MPa. Use NSCP 2001 provisions. If the effective depth of the footing is 500 mm, find the number of 25 mm reinforcements. A 10 11 12 D 13

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