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1 0.560395 <br />- <br />0.557627 <br />5 <br />0.08 -0.08 21.8 15.54 7.8 Ok Ok 0.07 0.01 <br />17.6 0.012372 <br />5 <br />- <br />0.019605 1.16 -1.02 21.8 15.54 7.8 Ok Ok 0 0.07 <br />21.9 <br />5 <br />0.542372 <br />5 <br />- <br />0.569605 0.08 -0.04 21.8 15.54 7.8 Ok Ok 0.07 0 <br />5.7 0.022372 <br />5 <br />- <br />0.009605 1.09 -1.05 21.8 15.54 7.8 Ok Ok 0 0.07 <br /> <br />H =34.5 <br />h =32.5 <br />bf =12 <br />bw =6 <br />tf =18 <br />Yt = (h✕bw✕h/2+Max(0,(bf-bw)✕tf✕tf/2))/(h✕bw+Max(0,(bf-bw)✕tf))= 18.97 in <br />Yb = h-Yt13.53 in <br />I = bw✕h✕h✕h/12+h✕bw✕(h/2-Yt)✕(h/2-Yt)+Max(0,(bf-bw))✕tf✕tf✕tf/12+Max(0,(bf- <br />bw))✕tf✕(tf/2-Yt)✕(tf/2-Yt)= 23590.52 in4 <br />St = I/Yt= 1243.46 in3 <br />Sb = I/Yb= 1743.78 in3 <br />fr = 5√fc= 250 psi <br />φMn_Pos=0.6✕(Min(St✕0.85✕f'c, Sb✕fr)/12000) <br />φMn_Neg=0.6✕(Min(St✕fr,Sb✕0.85✕f'c)/12000) <br />φVn=0.6 * (4/3*√fc*bw*h/1000) <br />Page 249 of 290