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BRACE ANALYSIS Bay 1 - 120" (Option 1) (Panel 2) <br /> Analyzed per RMI, AISI 2012 (LRFD) and the CBC2022. <br />Section Subject to Torsional or Flexural-Torsion Buckling <br />(Section C4.1.2) <br />Kx <br /> . Lx / Rx = 0 . 36 / 0.8 = 45.02 <br />Ky <br /> . Ly / Ry = 1 . 36 / 0.46 = 78.59 <br />KL / R max = 78.59 <br />ro = (rx <br />2 + ry <br />2 + xo <br />2)1/2 <br /> = (0.82 + 0.462 + -1.062)1/2 = 1.41 in. <br />b = 1 - (xo / ro)2 = 1 - (-1.06 / 1.41)2 = 0.43 <br />Fe1 = P2E / (KL / r)max <br />2 = 3.142 . 29500 / 78.592 = 47.145 ksi <br />Fe2 = (1 / 2b)((sex + st) - ((sex + st)2 - (4bsexst))1/2) <br /> = (1 / (2 . 0.43)((143.64 + 28.18) - ((143.64 + 28.18)2 <br /> - (4 . 0.43 . 143.64 . 28.18))1/2) = 25.136 ksi <br />where: <br /> sex = P2E / (KxLx / Rx)2 <br /> = 3.142 . 29500 / 78.592 = 143.636 ksi <br /> st = 1 / Aro <br />2(GJ + (P2ECw) / (KtLt)2) <br /> = 1 / 0.28 . 1.412(11300 . 0.0003 <br /> + (3.142 . 29500 . 0.06) / (0.8 . 36)2) = 28.178 ksi <br />Fe = Min(Fe1, Fe2) = 25.136 ksi <br />Pn = Aeff <br /> . Fn <br />lc = (Fy / Fe)1/2 = (50 / 25.136)1/2 = 1.41 <br /> Since lc < 1.5, Fn = (0.658^(lc <br />2)) . Fy = 21.746 ksi <br /> Thus <br /> Pn = 6,189 lbs <br /> Pa = Pn <br /> . fc = 5,261 lbs <br />(Eq C3.1.2.1-7) <br />(Eq C4.1.2-3) <br />(Eq C4.1.1-1) <br />(Eq C4.1.2-1) <br />(Eq C3.1.2-11) <br />(Eq C3.1.2-9) <br />(Eq C4.1-1) <br />(Eq C4.1-4) <br />(Eq C4.1-2) <br />2 x 1.25 - .0625 <br />SECTION PROPERTIES <br />Depth 2 in. <br />Width 1.25 in. <br />t 0.06 in. <br />Radius 0.125 in. <br />Area 0.285 in^2 <br />AreaNet 0.285 in^2 <br />Ix 0.182 in^4 <br />Sx 0.182 in^3 <br />Sx net 0.182 in^3 <br />Rx 0.8 in. <br />Iy 0.06 in^4 <br />Sy 0.076 in^3 <br />Ry 0.458 in. <br />J 0 in^4 <br />Cw 0.056 in^6 <br />Jx 1.364 in. <br />Xo -1.062 in. <br />Kx 0 <br />Lx 36 in. <br />Ky 1 <br />Ly 36 in. <br />Kt 0.8 <br />Fyv 50 ksi <br />Fuv 60 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 />Behr Process Corp <br />Interlake-Mecalux_Gabr <br />1995 S Standard Av <br />Santa Ana, CA <br />17 <br />kelvira <br />4/11/2024 <br /> TEL:(909)869-0989 <br /> 1130 E. CYPRESS ST, COVINA, CA 91724 <br />PN:20240411_15