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HomeMy WebLinkAboutWind Load CalculationRECervED APR 9 20 MecaWj,,gfd� Pr8 v2.2.7.5 per ASCE 7-10 Developg, tb RgpDArrprises, Inc. Copyright www.mecaenterprises.com n' Date 3I16/2020 Project No. c Company Name Robert G ishman PA Designed By : Architect ` Or F Q Address 2117 Hollywood blvd Description : Wall repair V,.•"•'�'•.�/O City Hollywood Customer Name : Owner '. 9 State Florida Proj Location : 2204 at. lucie bl File Location: C:\Users\user\AppData\Roaming\MecaWind\Default.wnd �: �"( G ISH/yq • Input Parameters: Directional Procedure All Heights Building (Ch 27 Part 1) Basic Wind Speed(v) 160.00 mph. 4 Structural Category = II Exposure Category .13 AR1268 Natural Frequency = N/A Flexible Structure - �'• Importance Factor 1.00 Kd Directional Factor - 0.8 C n'• / Alpha - 9.50 Zg - 900.00 iP At 0.11 At = 1.00 F, Am = 0.15 Am = 0.65 Cc 0.20 1 = 500.00 it Epsilon 0.20 Zmin 15.00 ft Pitch of Roof - 0 : 12 Slope of Roof(Theta) _ ..00 Deg h: Mean Roof Ht - 9.00 ft Type of Roof = FLAT RHt: Ridge Ht = 9.00 ft Eht: Eave Height = 9.00 ft OR: Roof Overhang at Eave= 3.00 ft Overhead Type = Overhang Bldg Length Along Ridge = 68.00 ft Bldg Width Across Ridge= 35.00 ft Gust Factor Calculations Gust Factor Category I Rigid Structures - Simplified Method Gusty For Rigid Structures (Nat. Freq.>l Hz) use 0.85 = 0.85 Gust Factor Category II Rigid Structures - Complete Analysis Zm: 0.6*Ht = 15.00 ft lzm: Cc*(33/Zm)^0.167 0.23 Lzm: 1*(Zm/33)^Epsilon = 427.06 ft Q:(1/(1+0.63*((B+Ht)/Lzm)AO .63))^0.5 - 0.93 Gust2: 0.925*((1+1.7*lzm*3.4*Q)/(1+1.7*3.4*lzm)) - 0.89 Gust Factor Summary Not a Flexible Structure use the Lessor of Gustl or Gust2 = 0.85 Table 26.11-1 Internal Pressure Coefficients for Buildings, GCpi GCPi : Internal Pressure Coefficient = +/-0.18 Wind Pressurs Main Wind Force Resisting System (MWFRS) - Ref Figure 27.4-1 Kh: 2.01*(Ht/Zg)^(2/Alpha) 0.85 Kht: Topographic Factor (Figure 6-4) = 1.00 Qh: .00256*(V)^2;I*Kh*Kht*Kd = 28.37 psf Cpww: Windward Wall Cp(Ref Fig 6-6) = 0.80 Roof Area = 2788.00 ft-2 Reduction Factor based on Roof Area = 0.80 Normal to Ridge - Base Reactions - Walls Only +GCpi Description Press Area Fx Fy Fz Mx My Mz ------------------------------------------------------------------------------------- psf £t^2 Kip Kip Kip K-ft K-ft K-ft Leeward Wall -17.17 612 .00 10.51 .00 47.3 .0 .0 'Side Wall -21.99 315 -6.93 .00 .00 .0 31.2 .0 Side wall -21.99 315 6.93 :00 .00 .0 -31.2 .0 Windward Wall 14.19 612 .00 8.68 .00 39.1 .0 .0 ------------------------------------------------------------------------------------- Total .00 1854 .00 19.19 .00 86.3 .0 .0 Normal to Ridge - Base Reactions - Walls+Roof -GCpi Description Press Area Fx Fy Fz Mx My Mz pef ft^2 Kip Kip Kip K-ft K-ft K-ft ------------------------------------------------------------------------------------- Leeward Wall -6.95 612 .00 4.25 .00 19.1 .0 .0 Side Wall -11.77 315 -3.71 .00 .00 .0 16.7 .0 Side Wall -11.77 315 3.71 .00 .00 .0 -16.7 .0 Windward Wall 24.40 612 .00 14.93 .00 67.2 .0 .0 Roof (0 to h/2) -16.60 102 .00 .00 1.69 28.4 .0 .0 ED FILE Copts Roof (h/2 to h) -16.60 306 .00 .00 5.08 69.8 .0 .0 Roof (h to 2h) -6.95 612 .00 ..00 4.25 29.8 .0 .0 Roof (>2h) -2.13 1360 .00 .00 2.89 -21.7 .0 .0 OH Top (Ridge) -21.71 204 .00 .00 4.43 84.1 .0 .0 OH Top (Save) -7.24 204 .00 .00 1.48 -28.0 .0 .0 OH Bot Windward 19.29 204 _____________________________________________________________________________________ .00 .00 3.94 74.8 .0 .0 Total .00 4846 .00 19.19 23.76 323.5 .0 .0 Normal to Ridge - Base Reactions - Walla Only -GCpi Description Preece Area Fx Py Fz Nx My Nz pef ft^2 Kip Kip Kip K-ft K-ft K-ft ___________________________________________________________________________ Leeward Wall -6.95 612 .00 4.25 .00 19.1 .0 .0 Side Wall -11.77 315 -3.71 .00 .00 .0 16.7 .0 Side Wall -11.77 315 3.71 .00 .00 .0 -16.7 .0 Windward Wall 24.40 612 _____________________________________________________________________________________ .00 14.93 .00 67.2 .0 .0 Total .00 1854 .00 19.19 .00 86.3 .0 .0 Along Ridge - Base Reactions - Walls Only +GCpi Description Press Ares FX Fy Fz Mx My Mz psf ft^2 _____________________________________________________________________________________ Kip Kip Kip K-ft K-ft K-ft Leeward Wall -12.62 315 3.97 .00 .00 .0 -17.9 .0 Side wall -21.99 612 .00 13.46 .00 60.6 .0 .0 Side Wall -21.99 612 .00 -13.46 .00 -60.6 .0 .0 Windward Wall 14.19 315 _____________________________________________________________________________________ 4.47 .00 .00 .0 -20.1 .0 Total .00 1854 8.44 .00 .00 .0 -38.0 .0 Along Ridge - Base Reactions - Walls Only -GCpi Description Press Area Fx Fy Fz Mx My Mz psf ft^2 Kip Kip Kip K-ft K-ft K-ft _____________________________________________________________________________________ Leeward Wall -2.40 315 0.76 .00 .00 .0 -3.4 .0 Side Wall -11.77 612 .00 7.21 .00 32.4 .0 .0 Side Wall -11.77 612 .00 -7.21 .00 -32.4 .0 .0 Windward Wall 24.40 315 _____________________________________________________________________________________ 7.69 .00 .00 .0 -34.6 .0 Total .00 1854 8.44 .,00 .00 .0 -38.0 .0 Total Base Reaction Summary Description Fx Fy Fz Mx My Mz Kip Kip Kip K-ft K-ft K-ft ______________________________________________________________________________________ Normal to Ridge Walls+Roof +GCpi .0 19.2 48.1 323.5 .0 .0 Normal to Ridge Walls Only +GCpi .0 19.2 .0 86.3 .0 .0 Normal to Ridge Walls+Roof -GCpi .0 19.2 23.8 323.5 .0 .0 Normal to Ridge Walls Only -GCpi .0 19.2 .0 86.3 .0 .0 Normal to Ridge Walls+Roof MIN .0 5.9 .0 26.4 .0 .0 Along Ridge Walls+Roof +GCpi 8.4 .0 43.6 .0 -232.0 .0 Along Ridge Walls Only +GCpi 8.4 .0 .0 ,0 -38.0 .0 Along Ridge Walls+Roof -GCpi 8.4 .0 19.3 .0 -232.0 .0 Along Ridge Walls Only -GCpi 8.4 .0 .0 .0 --38.0 .0 Along Ridge Walls+Roof MIN 3.0 .0 .0 .0 -13.6 .0 Notes Applying to MWFRS Reactions: Note (1) per Fig 27.4-1, Note 9, Use greater of Shear calculated with or without roof. Note (2) X= Along Building ridge, Y = Normal to Building Ridge, Z - Vertical Note (3) MIN = Minimum pressures on Walls - 9.6 psf and Roof = 4.8 psf Note (4) MIN area is the area of the surface onto a vertical plane normal to wind. Note (5) Total Roof Area (incl OR Top) = 2788.00 sq. ft Wind Pressure on Components and Cladding (Ch 30 Part 1) All pressures shown axe based upon ASD Design, with a Load Factor of .6 Width of Pressure Coefficient Zone "a" _ 3.50 ft Description Width Span Area Zone Max Min Max P Min P ft ft ft^2 GOP GOP paf psf window406O 4.00 6.00 24.0 4 0.84 -0.93 28.93 -31.48 wall 1.50 9.00 27.0 4 0.83 -0.92 28.70 -31.25 Khcc:Comp. s Clad. Table 6-3 Case 1 = 0.85 Qhcc:.00256*V-2*Khcc*Kht*Kd = 28.37 psf