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BEAM ANALYSIS Bay 1 - 120" (Option 1) <br />Determine allowable bending moment per AISI <br />Check compression flange for local buckling (B2.1) <br />Effective width w = C - 2t - 2r = 1.75 - (2 . 0.059) - (2 . 0.09) = 1.45 in. <br />w/t = 1.452 / 0.059 = 24.61 <br />l = (1.052 / k1/2) . (w/t) . (Fy / E)1/2 = (1.052 / 2) . 24.61 . (55 / 29500)1/2 = 0.56 <br />l <= 0.673: Flange is fully effective. <br />Check web for local buckling (B2.3) <br />f1(comp) = Fy <br /> . (y3 / y2) = 55 * 2.47 / 2.61 = 51.87 ksi <br />f2(tension) = Fy <br /> . (y1 / y2) = 55 * 2.24 / 2.61 = 47.05 ksi <br />Y = - (f2 / f1) = -(47.05 / 51.87) = -0.91 <br />Buckling coefficient k = 4 + 2 . (1 - Y)3 + 2 . (1 - Y) <br />= 4 + 2(1 - -0.91)3 + 2(1 - -0.91) = 21.69 <br />Flat Depth w = y1 + y3 = 2.24 + 2.47 = 4.702 <br />w/t = 4.702/0.059 = 79.69 w/t < 200: OK <br />l = (1.052 / k1/2) . (w/t) . (f1 / E)1/2 = (1.052 / 2) . 79.695 . (51.87 / 29500)1/2 = <br />0.75 <br />b1 = w . (3 - Y) = 5 . (3 - -0.91) = 18.37 <br />b2 = w/2 = 2.35 <br />b1 + b2 = 18.37 + 2.35 = 20.72 Web is fully effective <br />Determine effect of cold working on steel yield point (FYA) per section A7.2 <br />Corner cross-sectional area Lc = (P / 2) . (r + t / 2) <br /> = (P / 2) . (0.09 + 0.059 / 2) = 0.188 <br />Lf = effective width = 1.452 <br />C = 2 . Lc / Lf + 2 . Lc = 2 . 0.188 / 1.452 + 2 . Lc = 0.2054 <br />m = 0.192 . (Fu / Fy) - 0.068 = 0.192 . (65 / 55) - 0.068 = 0.1589 <br />Bc = 3.69 . (Fu / Fy) - 0.819 . (Fu / Fy)2 - 1.79 <br /> = 3.69 . (65 / 55) - 0.819 . (65 / 55)2 - 1.79 = 1.43 <br />Fu/Fy = 65 / 55 = 1 < 1.2 <br />r/t = 0.09 / 0.059 = 1.525 <= 7 = OK <br />Fyc = Bc <br /> . Fy / (r / t)m = 1.43 . 55 / (1.525)m = 73 <br />Fya-top = C . Fyc + (1 - C) . Fy = 0.205 . 73 + (1 - 0.205) . 55 = 59 <br />Fya-bottom = Fya-top <br /> . Ycg / (A - Ycg) = 59 . 2.39 / (5.0 - 2.39) = 54 <br />5.0 x 2.75 -0.059 <br />Top flange width C =1.75 in. <br />Bottom width B =2.75 in. <br />Web depth A =5.0 in. <br />Beam thickness t =0.059 in. <br />Radius r =0.09 in. <br />Fy =55 <br />Fu =65 <br />Y1 =2.24 <br />Y2 =2.61 <br />Y3 =2.47 <br />Ycg =2.39 <br />Ix =2.72 <br />Sx =1.04 <br />E =29500 <br />FBeam F =230 <br />Beam Length L =120 <br />PROJECT: <br />FOR: <br />ADDRESS: <br />SHEET#: <br />CALCULATED BY: <br />DATE: <br />Behr Process Corp <br />Interlake-Mecalux_Gabr <br />1995 S Standard Av <br />Santa Ana, CA <br />13 <br />kelvira <br />4/11/2024 <br /> TEL:(909)869-0989 <br /> 1130 E. CYPRESS ST, COVINA, CA 91724 <br />PN:20240411_15