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4o-os2 BOEING <br /> PALLET RACK DESIGN P.O.Box 3707 <br /> Seattle,Washington 98124-2207 � <br /> PROJECT Install Pallet Racks for 40-05 JOB NO. W4963253 <br /> FIG. BY C. Rossell CHECKED BYM.Abdi DATE 01/10/18 REV'D <br /> Sigma ey=pi^2*E/(KyLy/ry)^2= 161.8 Eq. C3.1.2.1-8 <br /> Sigma t=(1/(A*ro^2))'`.(GJ +pi^2'`E'`Cw/(Kt"Lt)^2) Eq. C3.1.2.1-9 <br /> Sigma t = 11.3 <br /> Fe = (Cb*ro'A/Sf)*sqrt(Sigma ey"Sigma t) Eq. C3.1.2.1-4 <br /> Fe = 113 <br /> 2.78'`Fy= 116.8 0.56*Fy= 23.52 <br /> When Fe>2.78" Fy : <br /> Mn =Se*Fy= 81.48 in-K when Fe>2.78'` Fy <br /> When 2.78* Fv > Fe > 0.56"Fy : <br /> Fc= (10/9)"Fy*(1 - 10"Fy/(36*Fe)) = 41.85 Eq. C3.1.2.1-2 <br /> Mn = Sc'`Fc = 81.19 in-K when 2.78* Fy > Fe > 0.56'`Fy <br /> When Fe <= 0.56"Fy : <br /> Fc= Fe = 113 <br /> Mn = Sc*Fc = 219.3 in-K when Fe <= 0.56*Fy <br /> Governs Mn = 81.19 in-K <br /> Omega = 1.67 <br /> Allowable Bending Strength=Mn/Omega= 48.62 in-K <br /> " Lateral-Torsional Bucklin Sq trength per C3.1.2 <br /> Lu= ((0.36xCbxPi )/FyxSf))x (sqrt( ExGxJxly) ) <br /> Lu= 75.58 < 71 in <br /> Fe= ( (CbxPi)/(KyxLyxSf))x(sqrt(ExGxJxly) ) <br /> Fe= 113 <br /> Compression: <br /> Fe=piQ^2*E/(K"Ur)^2 K= 1 J Fe= 18.78 in-K Eq. C4.1.1-1 <br /> Lambda c=sqrt(Fy/Fe)= 1.496 Eq. C4.1-4 <br /> Fn =[0.658^(Lambda c)^2]'' Fy= 12.01 when Lambda c<= 1.5 Eq. C4.1-2 <br /> Fn=[0.877/(Lambda c)^2] *Fy= 16.47 when Lambda c > 1.5 Eq. C4.1-3 <br /> Fn= 12.01 Governs <br /> LELNAME: Rack#W1337528.x1s Page 17 of 27 7/i ii2ois s:io AM <br />