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Allowable Stresses For Tension And Compression(Bending) <br /> Tension <br /> Allowable Tensile Stress (Ft) = 9,091 psi (Near Welds) <br /> Compression <br /> Slenderness Limit 1 (S 1) = 186.0 <br /> Slenderness Limit 2 (S2) = 6,940.0 <br /> Slenderness Ratio (S) = 69.7 <br /> Allowable Compressive Stress (F J = 9,091 psi (Near Welds) <br /> The Allowable Compressive Stress is the controlling failure design strength. <br /> Therefore, (Fb) = 91091 psi <br /> Conclusion <br /> (0-bi) 1,548 psi < (Fb) 9,091 psi OK <br /> Entire Roof Uplift Calculations <br /> Roof Area <br /> Area of Roof Subjected to Uplift (R) = 12,796 in <br /> Roof Uplift Calculated Forces <br /> To be conservative,the weight of the roof frame and panels is neglected. <br /> Weight of Accessories (wa) = 450 Ibs <br /> Wind Load Uplift Force (w.. _ -10,812 Ibs <br /> Total Roof Design Uplift (WJ _ -6,037 Ibs (Load Combinations Applied) <br /> Mountinq Hardware-Roof Frame to Wall Panels <br /> Screws Along Length- 1 Side = 25 . #14 Self-Drilling Screws - Grade 410/SS <br /> Screws Along Width- 1 Side = 18 #14 Self-Drilling Screws - Grade 410/SS <br /> Total Mounting Screws = 86 #14 Self-Drilling Screws - Grade 410/SS <br /> Entire Roof 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 = 0.62E in <br /> Wall Panel Tensile Ult. Strength = 31 ksi <br /> Wall Panel Tensile Yield Strength = 23 ksi <br /> Safety Factor = 3 ` <br /> Wall Panel Nominal Thickness = 0.090 in <br /> Maximum Tensile Strength = 348.8 Ibs <br /> Maximum Shear/Bearing Strength = 203.6 Ibs <br /> Max.Tensile Load per Screw = 203.6 Ibs <br /> Max.Total Screws Tensile Strength (PtJ = 17,507 lbs 10/2/2018 <br /> Conclusion <br /> (WM) 6,037 Ibs < (Pts) 17,507 Ibs OK MatthewT. Baldwin, P.E. <br /> Florida License#64608 <br /> Page 4-3 <br />