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ANDERSON & ASSOCIATES CONSULTING ENGINEERS, INC. <br />3902 VILLA SAN JOSE DRIVE, JACKSONVILLE. FLORIDA 32217 (904) 731·7978 Fax (904) 731-7771 <br />PERIMETER TRUSS <br />STRUCTURAL CAPACITY <br />10'-0"1.-89 <br />48.875"2316.' 7 9716'11- 2316- 2" Dio. (18" Woll) 1, • 1 11 11 <br />Un- <br />./ <br />C. <br />I t,> <br />- 4 3 <br />SIDE (TYP.) , 1'200 Dia. 08" wow END .24.563 <br />10'-0" <br />1 <br />9'-138"- - C- 1058" <br />SIDE (TOWER- SECTION)i Tower <br />Section ProperUes: <br />1.2" Dia. (1/8" Wall) Tube 2.1.5" Dia- (1/8" Wall) Tube <br />Dl := 2 tw:= 0.125 dl := Dl - 2·tw D2:= 1.5 tw:= 0.125 dZ:=DZ -2 -tw <br />At :=D12- d 19 Al =0.736 in2 Al:= 2·(022 -d22)A2 =0.54 in2 <br />Il := -1-·(Dif- d 1 9 Il.=0.325 in4 I2:=I-(I)24 - d29 12 -0.129 in464 . · 64 <br />rl:= 111 . I rl 60.664 in r2:4 A1 4 /u <br />r2 = 0.488 in <br />3. Truss Properties 'dx := 28.0 in dy := 18.5 in Centerline Chord <br />A] := 4 ·Al A3 = 2.945 in2 db:= 23.28 <br />Ix:= 4 ·Al·dx <br />\2/ <br />2 <br />Ix = 577.268 in4 rx:= - rx= 14 in <br />A3 <br />Iy:=4·Al.·<dy 2 <br />ly = 252.002 in4 n':= <br />4 A3 ry = 9.25 in <br />7[ -de := -rad (Angle between 0d:= 0.853 rad (Angle between7 <br />Chord & Vertical)Chord & Diagonal)