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GRAVITEC <br /> SYSTEMS INC`. <br /> II. Fall Protection <br /> B. Upstream/Downstream HLL Anchors(Check) <br /> B1. End Anchor(Al-Case 1-Fall in Mid-Span) <br /> Ph = 4.28 k Unfactored Fall Load,See I.Loading <br /> fl = 2 Factor of Safety <br /> *End anchor plate and concrete anchorages analyzed in Hilt,Prof is-See Appendix C <br /> Bending(Base Plate) <br /> Fy = 36 ksi Yield Strength <br /> b = 10 in Plate Width <br /> d = 0.625 In Plate Thickness <br /> Z = 0.98 in = bd2/4 Plastic Section Modulus <br /> L = 8.00 in = 8 Span Distance(Between bolt holes) <br /> Mmsx = 8.6 k-in = PhL/4 Maximum Moment <br /> M./0 = 18 k-In = FyZ/O Allowable Moment <br /> Ma/O > Mmax 49%Capacity <br /> Tensile Rupture(Fin) <br /> F„ = 58 ksi Tensile Strength <br /> w = 3.0 in Fin Width <br /> t = 0.625 In Fin Thickness <br /> h = 0.5625 in Hole Diameter <br /> Au = 1.52 in2 = t(w-h) Effective Net Area <br /> R„/fl = 44.2 k = F„AA! Allowable Tensile Strength <br /> Rn/fl > Ph 10%Capacity <br /> Bearing(Fin) <br /> d = 0.5 in Bolt Diameter <br /> R„/f1 = 21.8 k = 2.4dtF„/fi Available Strength <br /> Rijn > Ph 20%Capacity <br /> Tear-Out(Fin) <br /> e = 0.75 in Edge Distance(Center of hole to edge of fin) <br /> lc = 0.469 In = e-h/2 Clear Distance(Edge of hole to edge of fin) <br /> R„/fl = 10.2 k = 1.2ItF„/a Available Strength <br /> R„ O > Ph 42% Capacity <br /> Weld <br /> D = 5 Sixteenths-of-an-inch in fillet weld size <br /> L = 6.0 In = 2w Weld Length <br /> FExx = 70 ksi E70XX Electrode Strength <br /> = 27.8 k = 0.60FE ('I2/2)(D/16)L Available Strength of Weld Group <br /> R„/f! > Ph 15%Capacity <br /> B2. End Anchor(Al-Case 2-Fall In End-Span) <br /> Ph = 4.28 k Unfactored Fall Load,See!.Loading <br /> Span = 33.0 ft Max Span(Controlling) <br /> CD = 8.46 ft Max Cable Deflection,See Appendix B <br /> e = 27.0 " = tan 1(CD/.5Span) <br /> = 10.30 " = tan4(3/.5Span) <br /> Phx = 3.75 k = Phcos(e)cos(F) <br /> Phy = 1.95 k = Phcos(e) <br /> Ph= = 0.68 k = Phcos(e)sin(0) <br /> p = 2 Factor of Safety <br /> *End anchor plate and concrete anchorages analyzed in Hilti Profs-See Appendix C <br /> 21291 Urdahl Road NW•Poulsbo,WA 98370•206.780.2898•www.gravitec.com 6/16/2023 <br />