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ECLIPSE <br /> ENGINEERING <br /> Project: Amazon-DWS4 <br /> Brace Analysis Project#: 21-10-166 <br /> Engineer: BA <br /> Brace in short direction is controlling. Date: 10/27/2021 <br /> Brace Properties: Bolt Properties: <br /> Ly= 26.5 in. Dia.= 0.625 in Lx <br /> Lx= 10.5 in. #Bolts= 1 <br /> Tube Dia.= 2 in. Hole Size= 0.6875 in. fit, <br /> Thickness= 0.075 in. A= 0.307 sq.in. <br /> End Thick.= 0.15 in. Fv= 21 ksi . r <br /> A= 0.454 in. Fu= 65 ksi - <br /> i <br /> rx=ry= 0.681 in. Abearing= 0.117 sq.in. <br /> Fy= 40 ksi <br /> K= 1.00 <br /> Ldiagonal= 28.5 in. <br /> Brace Loads: <br /> p= 1.3 <br /> V= 319.5 lb =p*E Conservative,assume 1 brace for platform <br /> Pbrace= 867.4 lb. =V*(I-diagonal/Lx) <br /> Check Compression: <br /> K'IIr= 41.85 <br /> Cc= 120.7 >Kl/r,therefore use Eq.E2-1 • <br /> Fa= 20984 psi (Eq.E2-1) <br /> fa= 1912 psi =Pbrace I A <br /> fa/Fa= 0.09 <1.0...OKAY - <br /> Check Connection: <br /> Check Shear Capacity of Bolt: <br /> Vboit-capacity= 6442.7 lb,PbraceN= 0.13 <1.0...OKAY <br /> Check Bearing Capacity: A <br /> It.,Vcapacity= 9126 Ib,Pbrace/V= 0.10<1.0...OKAY <br /> Check Block Shear: <br /> Av= 0.0984375 sq.in. =(1-0.5*Hole)'Thickness <br /> At= 0.0984375 sq.in. =(0.5'Brace Dia.-0.5*Hole)*Thickness <br /> Al <br /> — <br /> Vcab= =0.3'Av`Fu+0.5'At'Fu <br /> 5119 Ib,PbraceN= 0.17 <1.0...OKAY I+ Dia. +I-4 <br /> MISSOULA,MT WHITEFISH,MT SPOKANE,WA BEND,OR PORTLAND,OR <br /> PH:(408)721.5733 PH:(408)552-1442 PH:(509)821-7731 PH:(541)3890659 PH:(503)395-1228 <br /> 8/20 <br />