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BRACE ANALYSIS 4ft Wide Bay (Panel 1) <br />Analyzed per RMI, AISI 2012 (LRFD) and the 2022 CBC. <br />Lateral-torsional buckling strength [Resistance] (Section C3.1.2) <br />Pao = Pnofc = 16170 lbs <br />Where: <br />Pno = AeFy = 0.346 . 55 = 19024 lbs <br />Mc = Mn = ScFc = SminFc (Eq C3.1.2.1-1) <br />Fe =CbroA(seyst)1/2 / Sf = 1100.501 ksi <br />Fe = CsAsex(j + Cs(j2 + ro <br />2(se / sex))1/2) / (CTFSf) = 1100.501 ksi (Eq 3.1.2.1-4) <br />Fe = (CbP2EdIyc) / (Sf(KyLy)2 = 94.931 ksi (Eq 3.1.2.1-10) <br />Fe.min = 94.931 ksi <br />Since: 0.56 Fy < 2.78Fy <br />Fc = (10/9)Fy(1 -(10Fy / 36Fe)) = 51.3 ksi (Eq C3.1.2.1-2) <br />Reduced Fc,eff = 1 - ((1 - Q) / 2) . (Fc / Fy)Q . Fc = 51.3 ksi <br /> Mnx = 9280 in-lbs Mny = 7033 in-lbs Mc = Mn,min <br />Mnxfb = 8352 in-lbs Mnyfb = 6329 in-lbs <br />PEx = P2 EIx / (KxLx)2 = 19176 lbs (Eq C5.2.2-6) <br />PEy = P2 EIy / (KyLy)2 = 8721 lbs (Eq C5.2.2-7) <br />Pa = 6487 lbs <br />VTrans = 2476 lbs <br />VTrans(new)= 2476 . 1.3 = 3219 lbs <br />LDiag = ((L - 6)2 + (D - 2B)2)1/2 = 52.35 in. <br />VDiag = (VTrans <br /> . LDiag) / D = 4681 lbs <br />Brace Stress = VDiag / Pa = 72% <br />1.969 x 1.181 - .059 (Tube) <br />SECTION PROPERTIES <br />Depth 1.969 in. <br />Width 1.181 in. <br />t 0.059 in. <br />Radius 0.088 in. <br />Area 0.346 in. 2 <br />AreaNet 0.346 in. 2 <br />Ix 0.178 in. 4 <br />Sx 0.181 in. 3 <br />Sx Net 0.181 in. 3 <br />Rx 0.718 in. <br />Iy 0.081 in. 4 <br />Sy 0.137 in. 3 <br />Ry 0.484 in. <br />J 0.183 in. 4 <br />Cw 0.002 in. 6 <br />Jx 0 in. <br />Xo 0 in. <br />Kx 0 <br />Lx 52 in. <br />Ky 1 <br />Ly 52 in. <br />Kt 0.8 <br />Fy 55 ksi <br />Fu 70 ksi <br />Q 1 <br />G 11300 ksi <br />E 29500 ksi <br />Cmx 0.85 <br />Cs -1 <br />Cb 1 <br />Ctf 1 <br />Phib 0.9 <br />Phic 0.85 <br />PROJECT: <br />FOR: <br />ADDRESS: <br />SHEET#: <br />CALCULATED BY: <br />DATE: <br />Power Distribution Inc <br />Aztec_steve peterson <br />4011 W. CARRAIGE D <br />SANTA ANA, CA <br />28 <br />kelvira <br />6/19/2024 <br /> TEL:(909)869-0989 <br /> 1130 E. CYPRESS ST, COVINA, CA 91724 <br />PN:20240103_2 <br />4011 W Carriage Dr <br />9/11/2024