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"ASCE7-16W.xls" Program Version 2.1 <br />WIND LOADING ANALYSIS - Main Wind-Force Resisting System <br />Per ASCE 7-16 Code for Enclosed or Partially Enclosed Buildings <br />Using Method 2: Analytical Procedure (Section 27) for Buildings of Any Height <br />Job Name:Subject: <br />Job Number:Originator:Checker: <br />Input Data: <br />Wind Direction =Normal (Normal or Parallel to building ridge) <br />Wind Speed, V =110 mph (Wind Map, Figure 26.5-1A-C) <br />Bldg. Classification =II (Table 1.4-1 Risk Cat.) <br />Exposure Category =C (Sect. 26.7) <br />Ridge Height, hr =14.30 ft. (hr >= he) <br />Eave Height, he =9.00 ft. (he <= hr) <br />Building Width =23.00 ft. (Normal to Building Ridge) <br />Building Length =48.00 ft. (Parallel to Building Ridge) <br />Roof Type =Gable (Gable or Monoslope) <br />Topo. Factor, Kzt =1.00 (Sect. 26.8 & Table 26.8-1) <br />Direct. Factor, Kd =0.85 (Table 26.6-1) <br />Enclosed? (Y/N)Y (Sect. 6.2 & Figure 6-5) <br />Hurricane Region?N <br />Damping Ratio, b =0.050 (Suggested Range = 0.010-0.070) <br />Period Coef., Ct =0.0350 (Suggested Range = 0.020-0.035) <br />(Assume: T = Ct*h^(3/4) , and f = 1/T) <br />Resulting Parameters and Coefficients: <br />Roof Angle, q =18.43 deg. <br />Mean Roof Ht., h =11.65 ft. (h = (hr+he)/2, for roof angle >10 deg.)L = 23 ft. <br />Windward Wall Cp =0.80 (Fig. 27.4-1)B = 48 ft. <br />Leeward Wall Cp =-0.50 (Fig. 27.4-1) <br />Side Walls Cp =-0.70 (Fig. 27-4.1) <br />Windward Roof Cp =-0.50 (Fig. 27-4.1)(Condition #1) <br />Windward Roof Cp =-0.06 (Fig. 27-4.1)(Condition #2) <br />Leeward Roof Cp =-0.57 (Fig. 27-4.1) <br />(Fig. 27-4.1) <br />+GCpi Coef. =0.18 (Table 26.11-1)(positive internal pressure) <br />-GCpi Coef. =-0.18 (Table 26.11-1)(negative internal pressure) <br />If z <= 15 then: Kz = 2.01*(15/zg)^(2/a) , If z > 15 then: Kz = 2.01*(z/zg)^(2/a) (Table 27.3-1) <br />a =9.50 zg =900 (Table 26.9-1) <br />Kh =0.85 (Kh = Kz evaluated at z = h) <br />Velocity Pressure: qz = 0.00256*Kz*Kzt*Kd*V^2*I (Eq. 27.3-1) <br />qh =22.35 psf qh = 0.00256*Kh*Kzt*Kd*V^2 (qz evaluated at z = h) <br />Ratio h/L =0.507 freq., f =4.531 hz.(f >= 1, Rigid structure) <br />Gust Factor, G =0.850 (Sect. 26.9) <br />Design Net External Wind Pressures (Sect. 27.4): <br />p = qz*G*Cp - qi*(+/-GCpi) for windward wall (psf), where: qi =qh (Eq. 27.4-1) <br />p = qh*G*Cp - qi*(+/-GCpi) for leeward wall, sidewalls, and roof (psf), where: qi = qh (Eq. 27.4-1) <br />q o <br />L <br />B <br />hr <br />he <br />h <br />Plan <br />Elevation <br />L <br />Wind <br />1 of 4 4/4/2025 11:50 AM