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3902 VILLA SAN JOSE DRIVE. JACKSONVILLE, FLORIDA 32217 (904) 731:7978 Fax (904) 731 -7771 <br />WIND LOADINGS <br />FEM INPUT <br />Tributary Widths of Transverse Members <br />10.938 1.7081. Perimeter Truss Member Trib 1 :=-F -Tribl =6.323 ft. <br />2 2 <br />2. Apex Level 1 10.938 10.167Trib2:= - +Trib2 = 10.553 ft. <br />2 2 <br />3. Apex Level 2 and 3 Trib) := 10.167 Trib3 = 10.167 ft. <br />4. Sound Wing Apex Level Trib4 := 10.938 Trib4 = 10.938 ft. <br />Consider Wind Loadings on Roof and Exposed Trusses for Input into FEM Model(V=70 mph: 3-Second Gust Wind Speed) <br />ANSI/ASCE 7-95 Wind Loadings <br />I:= 1.0 (Importance Factor) <br />q: = 0.002561<zKzt\/21 and F = qzGCA <br />where:Kz := 1.04 Table 6-3; Exposure C; z = 40 ft. <br />V := 70 mph "Kzt := 1.00 Section 6.5.5 <br />G := 0.85 Section 6.6.1, Exposure C <br />qz := 0.00256·Kz·Kzt·V2 I qz = 13.046 psf <br />-Z Wind Loads: Verlical Upward on 65 ft. x 45 ft. Roof Top <br />; := 64.25 ft L := 43.917 ft - =0.684 Cf:=0.513 Table 6-6r, <br />f.=B·L fe <br />E := 1.00 100% Solid <br />F..qz -G ·Cf·Afe F = 16051 lbs Triangular Load <br />Bfcm:= 62.542 Lfum:= 42.209 <br />Windward Pressure:pw:: <br />F <br />2 pw = 12.161 psTBfem ·Lfem <br />Trapezoidal Loads: <br />Perimeter Truss Windward load:ww := pw ·Trib 1 ww = 76.893 kips/ft L:= 42.209 <br />WW 10,968 ww 31.271w =0.01998 W := -w = 0.056971000L 1000 <br />ww 21.105 ww 42.209w =0.03845 W :=-·w = 0.07689L 1000 L 1000 <br />wiv 21.876 <br />w = 0.03985L 1000 <br />Apex Level 1 Windward load:w·w := pw ·Tribl ww = 128,328 kips/ft <br />ww 10.968 ww 31.271w = 0,03335 U' : I -w = 0.09507L 1000 1. 1000 <br />ww 21.105 wiv 42.209w =0.06417 V:= ----·w =0.12833L 1000 L IOOD