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40-23.1 /NG <br /> PALLET RACK DESIGN 'I ox 3707 <br /> ,Washington 98124-2207 <br /> PROJEeT New Pallet Rack- Fourth Floor JOB NO. W3928716 <br /> FIG. BY C. Rossell CHECKED BY M.Abdi DATE 03/16/16 REV'D <br /> Sigma ey=pi^2"E/(KyLy/ry)^2= 423.9 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 = 23.99 <br /> Fe = (C;b"ro*A/Sf)*sqrt(Sigma ey*Sigma t) Eq. C3.1.2.1-4 <br /> Fe = 161.3 <br /> 2.78*Fy= 116.8 0.56*Fy= 23.52 <br /> When Fe>2.78* Fy : <br /> Mn =S��'`Fy= 92.82 in-K when Fe>2.78* Fy <br /> When 2.78* Fy > Fe > 0.56*Fy : <br /> Fc=(10/9)"Fy"(1 - 10"Fy/(36*Fe)) = 43.29 Eq. C3.1.2.1-2 <br /> Mn = Sc*Fc = 95.67 in-K when 2.78" Fy > Fe > 0.56"Fy <br /> When Fe <= 0.56*Fy : <br /> Fc= Fe = 161.3 <br /> Mn = Sc"Fc = 356.4 in-K when Fe <= 0.56"Fy <br /> Govern:� Mn = 92.82 in-K <br /> Omega = 1.67 <br /> AllowablE;Bending Strength-Mn/Omega= 55.58 in-K <br /> " Lateral=Torsional Bucklinq Strenqth per C3.1.2 <br /> Lu= ( (0.36xCbxPi )/FyxSf))x (sqrt( ExGxJxly) ) <br /> Lu= 66.35 < 48 in <br /> Fe= ((CbxPi)/(KyxLyxSf))x(sqrt(ExGxJxly)) <br /> Fe= 161.3 <br /> Compression: <br /> Fe=piQ^2'`E/(K'`Ur)^2 K= 1.7 Fe= 72.84 in-K Eq. C4.1.1-1 <br /> Lambda c=sqrt(Fy/Fe)= 0.759 Eq.C4.1-4 <br /> Fn=[0.658^(Lambda c)^2]* Fy= 22.24 when Lambda c<= 1.5 Eq. C4.1-2 <br /> Fn=[0.877/(Lambda c)^2]"Fy= 63.88 when Lambda c > 1.5 Eq. C4.1-3 <br /> Fn= 22.24 Governs <br /> _ <br /> . . -...`M. 1 <br /> �_:.'' � <br /> a�,�y��y°� <br /> LELNAME: W3928716-12'Pallet Rack.xls P ��lY���' (�` ``" ��` 3/17/2016 9:09 AM <br /> I�;,.=�"�'��' <br />