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5.95 0.23002 <br />- <br />0.21351 <br />5 <br />0.77 -0.7 22.5 22.5 14.4 Ok Ok 0.02 0.03 <br />14.1 <br />5 <br />0.01523 <br />5 <br />- <br />0.00998 0.82 -0.63 22.5 22.5 14.4 Ok Ok 0 0.04 <br />21.4 <br />5 <br />0.20648 <br />5 <br />- <br />0.24998 0.05 0 22.5 22.5 14.4 Ok Ok 0.02 0 <br />6.15 0.06002 <br />- <br />0.04351 <br />5 <br />0.78 -0.71 22.5 22.5 14.4 Ok Ok 0 0.03 <br /> <br />H =32 <br />h =30 <br />bf =12 <br />bw =12 <br />tf =18 <br />Yt = (h✕bw✕h/2+Max(0,(bf-bw)✕tf✕tf/2))/(h✕bw+Max(0,(bf-bw)✕tf))= 15 in <br />Yb = h-Yt15 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)= 27000 in4 <br />St = I/Yt= 1800 in3 <br />Sb = I/Yb= 1800 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 234 of 290