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Tension Controlled Reinforced Section Bar Size Area <br /> As 0.07333 in^2 3 0.11 <br /> b 12 in 4 0.20 <br /> d 2.25 in 5 0.31 <br /> fc 3 ksi 6 0.44 <br /> fy 60 ksi 7 0.60 <br /> Phi 0.9 8 0.79 <br /> 9 1.00 <br /> Phi-Mn = 0.72 kip-ft 10 1.27 <br /> 9 kip-in 11 1.56 <br /> Shear(Concrete Only) <br /> Phi 0.75 <br /> Phi-Vc = 2.22 kips <br />