Laserfiche WebLink
Project: SE01845A Cascade HS WT <br />Date: 6-25-2019 <br />By: JH <br />Critical Mount Pipe Loading <br />Wind design LRFD load case: 1.2D + 1.0W <br />Weight, W:= 304 lb Dead Load, Fd :=1.2 • W =i365 lb <br />Wind Load, F,,, := 629 lb <br />Check Lateral'Sesimic: Design LC: 1.2D + 1.0E <br />Lateral Seismic Force, Fp:=0.357•W=109 lb <br />if (F,,, >Fp, "Wind Controls", Seismic Controls") = Wind. Controls" <br />Mount Pine &'Su000rt Frame <br />The mount frame was analyzed using Risa-3D, a general purpose 3-dimensional <br />structural analysis software. The software was used to compute member forces and <br />support reactions for critical wind load cases as defined in TIA-222-G. The software was <br />also used to ';perform steel code checks per AISC 14th ed. (LRFD). Risa-3D output is <br />attached. <br />Mount Pipe Connection to Standoff Frame <br />Critical member forces per Risa-3D output: A:=478,lb Vy:=325 lb Vz:=108 lb <br />1/2" Dia. A325 U-Bolt in 3/8" th. clip angle,' <br />Bolt Tension, ft:=Vy=325 lb <br />Bolt Shear,:. f,,:= AZ +Vz2 =490 lb <br />db: 0.5 in Ab:=db2„ • 4 =0.196 in <br />Bolt Tension Strength: ¢rnt := 67.5 ksi • Ab =13254 lb (AISC Table 7-2) <br />if (It <Ornt, uOK:" , "N.G.") _ "OKI' <br />'7 SlQF Smith Highland Tlrive <br />Suite 200 <br />Cottonwood Heights, UT 84121 ^ <br />Tel. (801) 463-1020 'L/., <br />1 <br />T. 8 <br />