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Larson Engineering,Inc. SUBJECT: U.S. CUStOfi1S 8 SHEET NO. G18 <br /> 5757 Pnamam Dtive.Suite 200 Border Protection PROJECT NO. 51090137.000 <br /> • • SL Louis,M0670C2�2455 <br /> aia�atano Fax: 37a]71A7t2 PortAnqeles WA BY RV DATE 4/21I2009 <br /> vmav.larsonengr.wm <br /> � Larson <br /> LHECK fOR AXIAI <br /> Column Axial Load: Pwi:= TA•(RDL) P�i =176•Ibf <br /> Cm:= 0.6 (Ends pinned and sldesway prevented) <br /> n�:= 1.95 <br /> 3.142•E <br /> F° � \12 Fa =7.77�ks1 <br /> �`Y I '�u <br /> � J <br /> Poo� <br /> p,:= A f,= O.bksl <br /> Allowablo Axlal Stress(6005-1:�AI.,Spec.No.7 3 8.1): <br /> l.y Ly �n 51100 <br /> F,,,�:= i — 50,0•ksl,i — 566,20.2•ksl -0.126�ks1•—,—•ksl <br /> �x �x r„ �b 2 <br /> \�x/ <br /> b b 6 197Cksl <br /> F„g.�:= 1 — 52.4,21ksl,l — 512,23.1ks1- 0.787ks1•i, Z <br /> t t <br /> b <br /> t <br /> Fa+�= �f�F�.��Fa.o.i�Fa�7,Fa�8.t) Fax=15.58•ksl <br /> Fao�- Fa.B.1 <br /> CHECK COh18!NED STRE55 <br /> f, Cm fy„ <br /> — + = 0.41 <7.0 <br /> Fa� fa <br /> �1 —F 'Fe. <br /> � ` <br /> f, Pc. <br /> — + — = 0.G6 <1.0 <br /> Fao Fb. <br /> StuC Column Is I1K far CombineC Stress <br />