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Roof Panel Uplift Calculations <br /> Roof Panel Critical Member Dimensions <br /> Critical Panel Length (LP) = 78 in <br /> Critical Panel Width (WO = 48 in <br /> Roof Panel Uplift Calculated Forces <br /> Distributed Loads <br /> Wind Load Uplift Force (wP„) = 1,898.1 Ibs (Load Combinations Applied) <br /> Mounting Hardware-Roof Panel to Roof Frame <br /> Screws Along Length- 1 Side = 8 #14'Self-Drilling Screws - Grade 410/SS <br /> Screws Along Width- 1 Side = 4 #14 Self-Drilling Screws - Grade 410/SS <br /> Roof Panel Uplift Design Calculations <br /> Grade 410 Ultimate Strength = 150,000 psi <br /> #14 Screw Nominal Diameter = 0.180 in <br /> #14 Screw Effective Area = 0.025 in <br /> #14 Screw Threads per Inch = 14 <br /> Washer Nominal Diameter = 0.625 in <br /> Roof Panel Tensile Ult.Strength = 31 ksi <br /> Roof Panel Tensile Yield Strength = 23 ksi <br /> Safety Factor = 3 <br /> Roof Panel Nominal Thickness = 0.090 in <br /> Roof Frame <br /> Maximum Tensile Strength = 348.8 Ibs (Accounts for screw pull-over and pull-out strengths) <br /> Maximum Shear/Bearing Strength = 203.6 Ibs <br /> Max.Tensile Load per Screw = 203.6 lbs <br /> Max.Total Screws Tensile Strength (P tj = 4.886 Ibs <br /> Conclusion <br /> (wp,) 1,898 Ibs < (Ptj 4,886 Ibs OK <br /> Roof Force Calculations -Applied to Single Critical Wall/Column Section <br /> Distributed Loads <br /> Live Load Downforce (L Lr) = 5.00 Ibs/in <br /> Wind Load Downforce (L d) = 0.25 Ibs/in <br /> Wind Load Uplift Force (L„) = -20.28 Ibs/in <br /> Snow Load Force (L s) = 0.00 Ibs/in <br /> Point Loads <br /> Critical Interior Beam (wbd = 123.8 Ibs <br /> Max. Roof Live Load (L d = 300 Ibs <br /> Seismic Load (L E) = 3.70 Ibs (Includes Silencer) <br /> Maximum Load Force From Roof to Single Wall Panel(Load Combinations Aoaliedl <br /> Maximum Downforce Rd) = 423.8 Ibs <br /> Maximum Upforce (Wu) = 350.7 Ibs 10/2/2018 <br /> (Results are used for the Structural Calculations-Walls/Columns) <br /> Matthew T. Baldwin, P.E. <br /> Florida License#64608 <br /> Page 4-4 <br />