MecaWind v2406
Software Developer: Meca Enterprises Inc., www.meca.biz, Copyright © 2020
Calculations Prepared by:
Date: Dec 20, 2023
Basic Wind Parameters
Wind Load Standard = ASCE 7-16 Exposure Category = B
Wind Design Speed = 160.0 mph Risk Category = II
Structure Type = Building Building Type = Enclosed
General Wind Settings
Incl_LF = Include ASD Load Factor of 0.6 in Pressures = True
DynType = Dynamic Type of Structure = Rigid
Zg = Altitude (Ground Elevation) above Sea Level = 0.000 ft
Bdist = Base Elevation of Structure = 0.000 ft
SDB = Simple Diaphragm Building = False
Reacs = Show the Base Reactions in the output = True
O_Kd = Override the Directionality Factor 'Kd' = 0.850
O_G = Override the Gust Factor 'G' = 0.850
MWFRSType = MWFRS Method Selected = Ch 27 Pt 1
Topographic Factor per Fig 26.8-1
Topo = Topographic Feature = None
Kzt = Topographic Factor = 1.000
Building Inputs
RoofType: Building Roof Type = Hipped W : Width Perp to Ridge = 39.000 ft
L : Length Along Ridge = 42.000 ft EHt : Eave Height = 11.000 ft
Hip : Ridge Hipped Length = 20.000 ft RE : Roof Entry Method = Slope
Slope : Slope of Roof = 5.0 :12 O_Ht : Override Mean Height (0 for default)= 15.000 ft
Theta : Roof Slope = 22.62 Deg Par : Is there a Parapet = False
Exposure Constants per Table 26.11-1:
Alpha: Table 26.11-1 Const = 7.000 Zg: Table 26.11-1 Const = 1200.000 ft
At: Table 26.11-1 Const = 0.143 Bt: Table 26.11-1 Const = 0.840
Am: Table 26.11-1 Const = 0.250 Bm: Table 26.11-1 Const = 0.450
C: Table 26.11-1 Const = 0.300 Eps: Table 26.11-1 Const = 0.333
Overhang Inputs:
Std = Overhangs on all sides are the same = True
OHType = Type of Roof Wall Intersections =
OH = Overhang of Roof Beyond Wall = 1.000 ft
Main Wind Force Resisting System (MWFRS) Calculations per Ch 27 Part 1:
h = Mean Roof Height above grade = 15.000 ft
Kh = 15 ft [4.572 m]< Z <Zg -->(2.01*(Z/zg)^(2/Alpha) {Table 26.10-1}= 0.575
Kzt = Topographic Factor is 1 since no Topographic feature specified = 1.000
Kd = Wind Directionality Factor Manually Specified by Designer = 0.85
Zg = Elevation above Sea Level = 0.000 ft
Ke = Ground Elevation Factor: Ke = e^-(0.0000362*Zg) {Table 26.9-1} = 1.000
GCPi = Ref Table 26.13-1 for Enclosed Building = +/-0.18
RA = Roof Area = 1929.76 sq ft
LF = Load Factor based upon ASD Design = 0.60
qh = (0.00256 * Kh * Kzt * Kd * Ke * V^2) * LF = 19.21 psf
qin = For Negative Internal Pressure of Enclosed Building use qh*LF = 19.21 psf
qip = For Positive Internal Pressure of Enclosed Building use qh*LF = 19.21 psf
Gust Factor Calculation:
Gust Factor Category I Rigid Structures - Simplified Method
G1 = For Rigid Structures (Nat. Freq.>1 Hz) use 0.85 = 0.85
Gust Factor Category II Rigid Structures - Complete Analysis
Zm = Max(0.6 * Ht, Zmin) = 30.000 ft
Izm = Cc * (33 / Zm) ^ 0.167 = 0.305
Lzm = L * (Zm / 33) ^ Eps = 309.993
B = Structure Width Normal to Wind = 42.000 ft
Q = (1 / (1 + 0.63 * ((B + Ht) / Lzm)^0.63))^0.5 = 0.907
G2 = 0.925*((1+0.7*Izm*3.4*Q)/(1+0.7*3.4*Izm)) = 0.870
Gust Factor Used in Analysis
G = Lessor Of G1 Or G2 = 0.850
G = User has elected to override the calculated G value = 0.850
MWFRS Wind Normal to Ridge (Ref Fig 27.3-1}
h = Mean Roof Height Of Building = 15.000 ft
RHt = Ridge Height Of Roof = 19.125 ft
B = Horizontal Dimension Of Building Normal To Wind Direction = 42.000 ft
L = Horizontal Dimension Of building Parallel To Wind Direction = 39.000 ft
L/B = Ratio Of L/B used For Cp determination = 0.929
h/L = Ratio Of h/L used For Cp determination = 0.385
Slope = Slope of Roof = 22.62 Deg
OH_Top_+Y = Overhang Top +Y (Leeward) = -0.6, -0.6
OH_Top_-Y = Overhang Top Windward Edge = 0.173, -0.301
OH_X = Overhang Top +/-X Coeff (0 to h/2) (0.000 ft to 1.000 ft) = -0.18, -0.9
OH_X = Overhang Top +/-X Coeff (0 to h/2) (1.000 ft to 7.500 ft) = -0.18, -0.9
OH_X = Overhang Top +/-X Coeff (h/2 to h) (7.500 ft to 15.000 ft) = -0.18, -0.9
OH_X = Overhang Top +/-X Coeff (h to 2h) (15.000 ft to 20.500 ft) = -0.18, -0.5
OH_X = Overhang Top +/-X Coeff (h to 2h) (20.500 ft to 30.000 ft) = -0.18, -0.5
OH_X = Overhang Top +/-X Coeff (>2h) (>30.000 ft) = -0.18, -0.3
OH_X = Overhang Top +/-X Coeff (>2h) (>40.000 ft) = -0.18, -0.3
Roof_LW = Roof (Leeward) = -0.6, -0.6
Roof_WW = Roof (Windward) = 0.173, -0.301
Roof_X = Roof +/-X Coeff (0 to h/2) (1.000 ft to 7.500 ft) = -0.18, -0.9
Roof_X = Roof +/-X Coeff (h/2 to h) (7.500 ft to 15.000 ft) = -0.18, -0.9
Roof_X = Roof +/-X Coeff (h to 2h) (15.000 ft to 30.000 ft) = -0.18, -0.5
Roof_X = Roof +/-X Coeff (>2h) (>30.000 ft) = -0.18, -0.3
Cp_WW = Windward Wall Coefficient (All L/B Values) = 0.80
Cp_LW = Leward Wall Coefficient using L/B = -0.50
Cp_SW = Side Wall Coefficient (All L/B values) = -0.70
GCpn_WW = Parapet Combined Net Pressure Coefficient (Windward Parapet) = 1.50
GCpn_LW = Parapet Combined Net Pressure Coefficient (Leeward Parapet) = -1.00
Gust Factor Calculation: Normal to Ridge
Gust Factor Category I Rigid Structures - Simplified Method
G1 = For Rigid Structures (Nat. Freq.>1 Hz) use 0.85 = 0.85
Gust Factor Category II Rigid Structures - Complete Analysis
Zm = Max(0.6 * Ht, Zmin) = 30.000 ft
Izm = Cc * (33 / Zm) ^ 0.167 = 0.305
Lzm = L * (Zm / 33) ^ Eps = 309.993
B = Structure Width Normal to Wind = 42.000 ft
Q = (1 / (1 + 0.63 * ((B + Ht) / Lzm)^0.63))^0.5 = 0.907
G2 = 0.925*((1+0.7*Izm*3.4*Q)/(1+0.7*3.4*Izm)) = 0.870
Gust Factor Used in Analysis
G = Lessor Of G1 Or G2 = 0.850
G = User has elected to override the calculated G value = 0.850
Wall Wind Pressures based On Positive Internal Pressure (+GCPi) - Normal to Ridge
All wind pressures include a load factor of 0.6
Elev Kz Kzt qz GCPi Windward Leeward Side Total Minimum
Press Press Press Press Pressure*
ft psf psf psf psf psf psf
----- ----- ----- ----- ---- -------- ------- ------ ----- ---------
11.00 0.575 1.000 19.21 0.18 9.60 -11.62 -14.89 21.23 9.60
0.50 0.575 1.000 19.21 0.18 9.60 -11.62 -14.89 21.23 9.60
Wall Wind Pressures based on Negative Internal Pressure (-GCPi) - Normal to Ridge
All wind pressures include a load factor of 0.6
Elev Kz Kzt qz GCPi Windward Leeward Side Total Minimum
Press Press Press Press Pressure*
ft psf psf psf psf psf psf
----- ----- ----- ----- ----- -------- ------- ----- ----- ---------
11.00 0.575 1.000 19.21 -0.18 16.52 -4.71 -7.97 21.23 9.60
0.50 0.575 1.000 19.21 -0.18 16.52 -4.71 -7.97 21.23 9.60
Notes Wall Pressures:
Kz = Velocity Press Exp Coeff Kzt = Topographical Factor
qz = 0.00256*Kz*Kzt*Kd*V^2 GCPi = Internal Press Coefficient
Side = qh * G * Cp_SW - qip * +GCPi Windward = qz * G * Cp_WW - qip * +GCPi
Leeward = qh * G * Cp_LW - qip * +GCPi Total = Windward Press - Leeward Press
* Minimum Pressure: Para 27.1.5 no less than 9.60 psf (Incl LF) applied to Walls
+ Pressures Acting TOWARD Surface - Pressures Acting AWAY from Surface
Roof Wind Pressures for Positive & Negative Internal Pressure (+/- GCPi) - Normal to Ridge
All wind pressures include a load factor of 0.6
Roof Var Start End Cp_min Cp_max GCPi Pressure Pressure Pressure Pressure
Dist Dist Pn_min* Pp_min* Pn_max Pp_max
ft ft psf psf psf psf
----------- ------ ------ ------ ------ ----- -------- -------- -------- --------
OH_Top_+Y N/A N/A -0.600 -0.600 0.180 -6.34 -13.25 -6.34 -13.25
OH_Top_+Y N/A N/A -0.600 -0.600 0.180 -6.34 -13.25 -6.34 -13.25
OH_Top_-Y N/A N/A 0.173 -0.301 0.180 6.28 -0.63 -1.46 -8.38
OH_Top_-Y N/A N/A 0.173 -0.301 0.180 6.28 -0.63 -1.46 -8.38
OH_X (+X) 0.000 1.000 -0.180 -0.900 0.180 0.52 -6.40 -11.24 -18.15
OH_X (-X) 0.000 1.000 -0.180 -0.900 0.180 0.52 -6.40 -11.24 -18.15
OH_X (+X) 1.000 7.500 -0.180 -0.900 0.180 0.52 -6.40 -11.24 -18.15
OH_X (-X) 1.000 7.500 -0.180 -0.900 0.180 0.52 -6.40 -11.24 -18.15
OH_X (+X) 7.500 15.000 -0.180 -0.900 0.180 0.52 -6.40 -11.24 -18.15
OH_X (-X) 7.500 15.000 -0.180 -0.900 0.180 0.52 -6.40 -11.24 -18.15
OH_X (+X) 15.000 20.500 -0.180 -0.500 0.180 0.52 -6.40 -4.71 -11.62
OH_X (-X) 15.000 20.500 -0.180 -0.500 0.180 0.52 -6.40 -4.71 -11.62
OH_X (+X) 20.500 30.000 -0.180 -0.500 0.180 0.52 -6.40 -4.71 -11.62
OH_X (-X) 20.500 30.000 -0.180 -0.500 0.180 0.52 -6.40 -4.71 -11.62
OH_X (+X) 30.000 40.000 -0.180 -0.300 0.180 0.52 -6.40 -1.44 -8.36
OH_X (-X) 30.000 40.000 -0.180 -0.300 0.180 0.52 -6.40 -1.44 -8.36
OH_X (+X) 40.000 41.000 -0.180 -0.300 0.180 0.52 -6.40 -1.44 -8.36
OH_X (-X) 40.000 41.000 -0.180 -0.300 0.180 0.52 -6.40 -1.44 -8.36
Roof_LW N/A N/A -0.600 -0.600 0.180 -6.34 -13.25 -6.34 -13.25
Roof_WW N/A N/A 0.173 -0.301 0.180 6.28 -0.63 -1.46 -8.38
Roof_X (+X) 1.000 7.500 -0.180 -0.900 0.180 0.52 -6.40 -11.24 -18.15
Roof_X (-X) 1.000 7.500 -0.180 -0.900 0.180 0.52 -6.40 -11.24 -18.15
Roof_X (+X) 7.500 15.000 -0.180 -0.900 0.180 0.52 -6.40 -11.24 -18.15
Roof_X (-X) 7.500 15.000 -0.180 -0.900 0.180 0.52 -6.40 -11.24 -18.15
Roof_X (+X) 15.000 30.000 -0.180 -0.500 0.180 0.52 -6.40 -4.71 -11.62
Roof_X (-X) 15.000 30.000 -0.180 -0.500 0.180 0.52 -6.40 -4.71 -11.62
Roof_X (+X) 30.000 40.000 -0.180 -0.300 0.180 0.52 -6.40 -1.44 -8.36
Roof_X (-X) 30.000 40.000 -0.180 -0.300 0.180 0.52 -6.40 -1.44 -8.36
Notes Roof Pressures:
Start Dist = Start Dist from Windward Edge End Dist = End Dist from Windward Edge
Cp_Max = Largest Coefficient Magnitude Cp_Min = Smallest Coefficient Magnitude
Pp_max = qh*G*Cp_max - qip*(+GCPi) Pn_max = qh*G*Cp_max - qin*(-GCpi)
Pp_min* = qh*G*Cp_min - qip*(+GCPi) Pn_min* = qh*G*Cp_min - qin*(-GCPi)
OH = Overhang X = Dir along Ridge Y = Dir Perpendcular to Ridge Z = Vertical
* The smaller uplift pressures due to Cp_Min can become critical when wind is combined
with roof live load or snow load; load combinations are given in ASCE 7
+ Pressures Acting TOWARD Surface - Pressures Acting AWAY from Surface
Reactions Walls+Roof +GCPi Normal to Ridge
Description Pressure Area Fx Fy Fz Mx My Mz
psf ft Kip Kip Kip k-ft k-ft k-ft
------------- -------- ------- ----- ------ ------ ------ ------ -----
Leeward Wall -11.62 462.00 0.00 -5.37 0.00 29.53 0.00 0.00
OH_Top_+Y -13.25 22.75 0.00 -0.12 -0.28 -4.32 2.92 -1.22
OH_Top_+Y -13.25 22.75 0.00 -0.12 -0.28 -4.32 -2.92 1.22
OH_Top_+Y -13.25 0.54 0.00 0.00 -0.01 -0.10 0.14 -0.06
OH_Top_+Y -13.25 0.54 0.00 0.00 -0.01 -0.10 -0.14 0.06
OH_Top_-Y -8.38 22.75 0.00 0.07 -0.18 2.73 1.85 0.77
OH_Top_-Y -8.38 22.75 0.00 0.07 -0.18 2.73 -1.85 -0.77
OH_Top_-Y -8.38 0.54 0.00 0.00 0.00 0.07 0.09 0.04
OH_Top_-Y -8.38 0.54 0.00 0.00 0.00 0.07 -0.09 -0.04
OH_X (+X) -8.36 10.83 -0.03 0.00 -0.08 -1.21 1.42 0.50
OH_X (+X) -8.36 0.54 0.00 0.00 0.00 -0.08 0.07 0.03
OH_X (+X) -11.62 10.29 -0.05 0.00 -0.11 -0.52 1.88 0.22
OH_X (+X) -11.62 5.96 -0.03 0.00 -0.06 0.18 1.09 -0.07
OH_X (+X) -18.15 8.13 -0.06 0.00 -0.14 1.26 2.31 -0.52
OH_X (+X) -18.15 7.04 -0.05 0.00 -0.12 1.92 2.01 -0.80
OH_X (+X) -18.15 0.54 0.00 0.00 -0.01 0.18 0.16 -0.08
OH_X (-X) -8.36 10.83 0.03 0.00 -0.08 -1.21 -1.42 -0.50
OH_X (-X) -8.36 0.54 0.00 0.00 0.00 -0.08 -0.07 -0.03
OH_X (-X) -11.62 10.29 0.05 0.00 -0.11 -0.52 -1.88 -0.22
OH_X (-X) -11.62 5.96 0.03 0.00 -0.06 0.18 -1.09 0.07
OH_X (-X) -18.15 8.13 0.06 0.00 -0.14 1.26 -2.31 0.52
OH_X (-X) -18.15 7.04 0.05 0.00 -0.12 1.92 -2.01 0.80
OH_X (-X) -18.15 0.54 0.00 0.00 -0.01 0.18 -0.16 0.08
Roof_LW -13.25 654.88 0.00 -3.34 -8.01 -27.83 0.00 0.00
Roof_WW -8.38 654.88 0.00 2.11 -5.07 17.60 0.00 0.00
Roof_X (+X) -8.36 35.07 -0.17 0.00 -0.24 -3.02 2.35 2.23
Roof_X (+X) -11.62 98.27 -0.68 0.00 -0.92 -4.36 5.92 3.22
Roof_X (+X) -11.62 64.61 -0.45 0.00 -0.60 1.66 3.37 -1.23
Roof_X (+X) -18.15 53.91 -0.58 0.00 -0.79 7.28 6.62 -5.38
Roof_X (+X) -18.15 14.81 -0.16 0.00 -0.22 3.28 2.38 -2.42
Roof_X (-X) -8.36 35.07 0.17 0.00 -0.24 -3.02 -2.35 -2.23
Roof_X (-X) -11.62 98.27 0.68 0.00 -0.92 -4.36 -5.92 -3.22
Roof_X (-X) -11.62 64.61 0.45 0.00 -0.60 1.66 -3.37 1.23
Roof_X (-X) -18.15 53.91 0.58 0.00 -0.79 7.28 -6.62 5.38
Roof_X (-X) -18.15 14.81 0.16 0.00 -0.22 3.28 -2.38 2.42
Side Wall -14.89 429.00 -6.39 0.00 0.00 0.00 -35.13 0.00
Side Wall -14.89 429.00 6.39 0.00 0.00 0.00 35.13 0.00
Windward Wall 9.60 441.00 0.00 -4.24 0.00 24.35 0.00 0.00
Windward Wall 9.60 21.00 0.00 -0.20 0.00 0.05 0.00 0.00
------------- -------- ------- ----- ------ ------ ------ ------ -----
Total 0.00 3804.92 0.00 -11.12 -20.58 53.55 0.00 0.00
Reactions Walls Only +GCPi Normal to Ridge
Description Pressure Area Fx Fy Fz Mx My Mz
psf ft Kip Kip Kip k-ft k-ft k-ft
------------- -------- ------- ----- ----- ---- ----- ------ ----
Leeward Wall -11.62 462.00 0.00 -5.37 0.00 29.53 0.00 0.00
Side Wall -14.89 429.00 -6.39 0.00 0.00 0.00 -35.13 0.00
Side Wall -14.89 429.00 6.39 0.00 0.00 0.00 35.13 0.00
Windward Wall 9.60 441.00 0.00 -4.24 0.00 24.35 0.00 0.00
Windward Wall 9.60 21.00 0.00 -0.20 0.00 0.05 0.00 0.00
------------- -------- ------- ----- ----- ---- ----- ------ ----
Total 0.00 1782.00 0.00 -9.81 0.00 53.94 0.00 0.00
Reactions Walls+Roof -GCPi Normal to Ridge
Description Pressure Area Fx Fy Fz Mx My Mz
psf ft Kip Kip Kip k-ft k-ft k-ft
------------- -------- ------- ----- ------ ----- ------ ------ -----
Leeward Wall -4.71 462.00 0.00 -2.17 0.00 11.96 0.00 0.00
OH_Top_+Y -6.34 22.75 0.00 -0.06 -0.13 -2.06 1.40 -0.58
OH_Top_+Y -6.34 22.75 0.00 -0.06 -0.13 -2.06 -1.40 0.58
OH_Top_+Y -6.34 0.54 0.00 0.00 0.00 -0.05 0.07 -0.03
OH_Top_+Y -6.34 0.54 0.00 0.00 0.00 -0.05 -0.07 0.03
OH_Top_-Y 6.28 22.75 0.00 -0.05 0.13 -2.04 -1.38 -0.58
OH_Top_-Y 6.28 22.75 0.00 -0.05 0.13 -2.04 1.38 0.58
OH_Top_-Y 6.28 0.54 0.00 0.00 0.00 -0.05 -0.07 -0.03
OH_Top_-Y 6.28 0.54 0.00 0.00 0.00 -0.05 0.07 0.03
OH_X (+X) 0.52 10.83 0.00 0.00 0.01 0.08 -0.09 -0.03
OH_X (+X) 0.52 10.29 0.00 0.00 0.00 0.02 -0.08 -0.01
OH_X (+X) 0.52 8.13 0.00 0.00 0.00 -0.04 -0.07 0.01
OH_X (+X) 0.52 7.04 0.00 0.00 0.00 -0.05 -0.06 0.02
OH_X (+X) 0.52 5.96 0.00 0.00 0.00 -0.01 -0.05 0.00
OH_X (+X) 0.52 0.54 0.00 0.00 0.00 -0.01 0.00 0.00
OH_X (+X) 0.52 0.54 0.00 0.00 0.00 0.01 0.00 0.00
OH_X (-X) 0.52 10.83 0.00 0.00 0.01 0.08 0.09 0.03
OH_X (-X) 0.52 10.29 0.00 0.00 0.00 0.02 0.08 0.01
OH_X (-X) 0.52 8.13 0.00 0.00 0.00 -0.04 0.07 -0.01
OH_X (-X) 0.52 7.04 0.00 0.00 0.00 -0.05 0.06 -0.02
OH_X (-X) 0.52 5.96 0.00 0.00 0.00 -0.01 0.05 0.00
OH_X (-X) 0.52 0.54 0.00 0.00 0.00 -0.01 0.00 0.00
OH_X (-X) 0.52 0.54 0.00 0.00 0.00 0.01 0.00 0.00
Roof_LW -6.34 654.88 0.00 -1.60 -3.83 -13.31 0.00 0.00
Roof_WW 6.28 654.88 0.00 -1.58 3.80 -13.19 0.00 0.00
Roof_X (+X) 0.52 98.27 0.03 0.00 0.04 0.19 -0.26 -0.14
Roof_X (+X) 0.52 64.61 0.02 0.00 0.03 -0.07 -0.15 0.05
Roof_X (+X) 0.52 53.91 0.02 0.00 0.02 -0.21 -0.19 0.15
Roof_X (+X) 0.52 35.07 0.01 0.00 0.01 0.19 -0.15 -0.14
Roof_X (+X) 0.52 14.81 0.00 0.00 0.01 -0.09 -0.07 0.07
Roof_X (-X) 0.52 98.27 -0.03 0.00 0.04 0.19 0.26 0.14
Roof_X (-X) 0.52 64.61 -0.02 0.00 0.03 -0.07 0.15 -0.05
Roof_X (-X) 0.52 53.91 -0.02 0.00 0.02 -0.21 0.19 -0.15
Roof_X (-X) 0.52 35.07 -0.01 0.00 0.01 0.19 0.15 0.14
Roof_X (-X) 0.52 14.81 0.00 0.00 0.01 -0.09 0.07 -0.07
Side Wall -7.97 429.00 -3.42 0.00 0.00 0.00 -18.81 0.00
Side Wall -7.97 429.00 3.42 0.00 0.00 0.00 18.81 0.00
Windward Wall 16.52 441.00 0.00 -7.29 0.00 41.89 0.00 0.00
Windward Wall 16.52 21.00 0.00 -0.35 0.00 0.09 0.00 0.00
------------- -------- ------- ----- ------ ----- ------ ------ -----
Total 0.00 3804.92 0.00 -13.21 0.23 19.03 0.00 0.00
Reactions Walls Only -GCPi Normal to Ridge
Description Pressure Area Fx Fy Fz Mx My Mz
psf ft Kip Kip Kip k-ft k-ft k-ft
------------- -------- ------- ----- ----- ---- ----- ------ ----
Leeward Wall -4.71 462.00 0.00 -2.17 0.00 11.96 0.00 0.00
Side Wall -7.97 429.00 -3.42 0.00 0.00 0.00 -18.81 0.00
Side Wall -7.97 429.00 3.42 0.00 0.00 0.00 18.81 0.00
Windward Wall 16.52 441.00 0.00 -7.29 0.00 41.89 0.00 0.00
Windward Wall 16.52 21.00 0.00 -0.35 0.00 0.09 0.00 0.00
------------- -------- ------- ----- ----- ---- ----- ------ ----
Total 0.00 1782.00 0.00 -9.81 0.00 53.94 0.00 0.00
Reactions Walls+Roof Min Pressure Normal to Ridge
Description Pressure Area* Fx Fy Fz Mx My Mz
psf ft Kip Kip Kip k-ft k-ft k-ft
------------- -------- ------ ---- ----- ---- ----- ---- -----
OH_Top_-Y 4.80 8.75 0.00 -0.04 0.00 0.45 0.00 -0.44
OH_Top_-Y 4.80 8.75 0.00 -0.04 0.00 0.45 0.00 0.44
OH_Top_-Y 4.80 0.21 0.00 0.00 0.00 0.01 0.00 0.02
OH_Top_-Y 4.80 0.21 0.00 0.00 0.00 0.01 0.00 -0.02
Roof_WW 4.80 251.88 0.00 -1.21 0.00 18.21 0.00 0.00
Windward Wall 9.60 441.00 0.00 -4.23 0.00 24.34 0.00 0.00
Windward Wall 9.60 21.00 0.00 -0.20 0.00 0.05 0.00 0.00
------------- -------- ------ ---- ----- ---- ----- ---- -----
Total 0.00 731.79 0.00 -5.73 0.00 43.53 0.00 0.00
Notes:
X= Along Building ridge, Y = Normal to Building Ridge, Z = Vertical
MIN = Minimum pressures on Walls = 9.60 psf and Roof = 4.80 psf
Area* = Area of the surface projected onto a vertical plane normal to wind.
MWFRS Wind Parallel to Ridge (Ref Fig 27.3-1}
h = Mean Roof Height Of Building = 15.000 ft
RHt = Ridge Height Of Roof = 19.125 ft
B = Horizontal Dimension Of Building Normal To Wind Direction = 39.000 ft
L = Horizontal Dimension Of building Parallel To Wind Direction = 42.000 ft
L/B = Ratio Of L/B used For Cp determination = 1.077
h/L = Ratio Of h/L used For Cp determination = 0.357
Slope = Slope of Roof = 22.62 Deg
Hip_End = Hipped End Coeff (0 to h/2) (1.000 ft to 7.500 ft) = -0.18, -0.9
Hip_End = Hipped End Coeff (h/2 to h) (7.500 ft to 12.000 ft) = -0.18, -0.9
Hip_End = Hipped End Coeff (>2h) (>32.000 ft) = -0.18, -0.3
OH_Top = Overhang Top Coeff (0 to h/2) (0.000 ft to 1.000 ft) = -0.18, -0.9
OH_Top = Overhang Top Coeff (0 to h/2) (1.000 ft to 7.500 ft) = -0.18, -0.9
OH_Top = Overhang Top Coeff (h/2 to h) (7.500 ft to 15.000 ft) = -0.18, -0.9
OH_Top = Overhang Top Coeff (h to 2h) (15.000 ft to 22.000 ft) = -0.18, -0.5
OH_Top = Overhang Top Coeff (h to 2h) (22.000 ft to 30.000 ft) = -0.18, -0.5
OH_Top = Overhang Top Coeff (>2h) (>30.000 ft) = -0.18, -0.3
OH_Top = Overhang Top Coeff (>2h) (>43.000 ft) = -0.18, -0.3
Roof = Roof Coeff (0 to h/2) (1.000 ft to 7.500 ft) = -0.18, -0.9
Roof = Roof Coeff (h/2 to h) (7.500 ft to 15.000 ft) = -0.18, -0.9
Roof = Roof Coeff (h to 2h) (15.000 ft to 30.000 ft) = -0.18, -0.5
Roof = Roof Coeff (>2h) (>30.000 ft) = -0.18, -0.3
Cp_WW = Windward Wall Coefficient (All L/B Values) = 0.80
Cp_LW = Leward Wall Coefficient using L/B = -0.48
Cp_SW = Side Wall Coefficient (All L/B values) = -0.70
GCpn_WW = Parapet Combined Net Pressure Coefficient (Windward Parapet) = 1.50
GCpn_LW = Parapet Combined Net Pressure Coefficient (Leeward Parapet) = -1.00
Gust Factor Calculation: Parallel to Ridge
Gust Factor Category I Rigid Structures - Simplified Method
G1 = For Rigid Structures (Nat. Freq.>1 Hz) use 0.85 = 0.85
Gust Factor Category II Rigid Structures - Complete Analysis
Zm = Max(0.6 * Ht, Zmin) = 30.000 ft
Izm = Cc * (33 / Zm) ^ 0.167 = 0.305
Lzm = L * (Zm / 33) ^ Eps = 309.993
B = Structure Width Normal to Wind = 39.000 ft
Q = (1 / (1 + 0.63 * ((B + Ht) / Lzm)^0.63))^0.5 = 0.909
G2 = 0.925*((1+0.7*Izm*3.4*Q)/(1+0.7*3.4*Izm)) = 0.871
Gust Factor Used in Analysis
G = Lessor Of G1 Or G2 = 0.850
G = User has elected to override the calculated G value = 0.850
Wall Wind Pressures based On Positive Internal Pressure (+GCPi) - Parallel to Ridge
All wind pressures include a load factor of 0.6
Elev Kz Kzt qz GCPi Windward Leeward Side Total Minimum
Press Press Press Press Pressure*
ft psf psf psf psf psf psf
----- ----- ----- ----- ---- -------- ------- ------ ----- ---------
11.00 0.575 1.000 19.21 0.18 9.60 -11.37 -14.89 20.97 9.60
0.50 0.575 1.000 19.21 0.18 9.60 -11.37 -14.89 20.97 9.60
Wall Wind Pressures based on Negative Internal Pressure (-GCPi) - Parallel to Ridge
All wind pressures include a load factor of 0.6
Elev Kz Kzt qz GCPi Windward Leeward Side Total Minimum
Press Press Press Press Pressure*
ft psf psf psf psf psf psf
----- ----- ----- ----- ----- -------- ------- ----- ----- ---------
11.00 0.575 1.000 19.21 -0.18 16.52 -4.46 -7.97 20.97 9.60
0.50 0.575 1.000 19.21 -0.18 16.52 -4.46 -7.97 20.97 9.60
Notes Wall Pressures:
Kz = Velocity Press Exp Coeff Kzt = Topographical Factor
qz = 0.00256*Kz*Kzt*Kd*V^2 GCPi = Internal Press Coefficient
Side = qh * G * Cp_SW - qip * +GCPi Windward = qz * G * Cp_WW - qip * +GCPi
Leeward = qh * G * Cp_LW - qip * +GCPi Total = Windward Press - Leeward Press
* Minimum Pressure: Para 27.1.5 no less than 9.60 psf (Incl LF) applied to Walls
+ Pressures Acting TOWARD Surface - Pressures Acting AWAY from Surface
Roof Wind Pressures for Positive & Negative Internal Pressure (+/- GCPi) - Parallel to Ridge
All wind pressures include a load factor of 0.6
Roof Var Start End Cp_min Cp_max GCPi Pressure Pressure Pressure Pressure
Dist Dist Pn_min* Pp_min* Pn_max Pp_max
ft ft psf psf psf psf
------------ ------ ------ ------ ------ ----- -------- -------- -------- --------
Hip_End (-X) 1.000 7.500 -0.180 -0.900 0.180 0.52 -6.40 -11.24 -18.15
Hip_End (-X) 7.500 12.000 -0.180 -0.900 0.180 0.52 -6.40 -11.24 -18.15
Hip_End (+X) 32.000 43.000 -0.180 -0.300 0.180 0.52 -6.40 -1.44 -8.36
OH_Top (-X) 0.000 1.000 -0.180 -0.900 0.180 0.52 -6.40 -11.24 -18.15
OH_Top (-X) 0.000 1.000 -0.180 -0.900 0.180 0.52 -6.40 -11.24 -18.15
OH_Top (-X) 0.000 1.000 -0.180 -0.900 0.180 0.52 -6.40 -11.24 -18.15
OH_Top (-X) 0.000 1.000 -0.180 -0.900 0.180 0.52 -6.40 -11.24 -18.15
OH_Top (+Y) 0.000 1.000 -0.180 -0.900 0.180 0.52 -6.40 -11.24 -18.15
OH_Top (-Y) 0.000 1.000 -0.180 -0.900 0.180 0.52 -6.40 -11.24 -18.15
OH_Top (+Y) 1.000 7.500 -0.180 -0.900 0.180 0.52 -6.40 -11.24 -18.15
OH_Top (-Y) 1.000 7.500 -0.180 -0.900 0.180 0.52 -6.40 -11.24 -18.15
OH_Top (+Y) 7.500 15.000 -0.180 -0.900 0.180 0.52 -6.40 -11.24 -18.15
OH_Top (-Y) 7.500 15.000 -0.180 -0.900 0.180 0.52 -6.40 -11.24 -18.15
OH_Top (+Y) 15.000 22.000 -0.180 -0.500 0.180 0.52 -6.40 -4.71 -11.62
OH_Top (-Y) 15.000 22.000 -0.180 -0.500 0.180 0.52 -6.40 -4.71 -11.62
OH_Top (+Y) 22.000 30.000 -0.180 -0.500 0.180 0.52 -6.40 -4.71 -11.62
OH_Top (-Y) 22.000 30.000 -0.180 -0.500 0.180 0.52 -6.40 -4.71 -11.62
OH_Top (+Y) 30.000 43.000 -0.180 -0.300 0.180 0.52 -6.40 -1.44 -8.36
OH_Top (-Y) 30.000 43.000 -0.180 -0.300 0.180 0.52 -6.40 -1.44 -8.36
OH_Top (+X) 43.000 44.000 -0.180 -0.300 0.180 0.52 -6.40 -1.44 -8.36
OH_Top (+X) 43.000 44.000 -0.180 -0.300 0.180 0.52 -6.40 -1.44 -8.36
OH_Top (+X) 43.000 44.000 -0.180 -0.300 0.180 0.52 -6.40 -1.44 -8.36
OH_Top (+X) 43.000 44.000 -0.180 -0.300 0.180 0.52 -6.40 -1.44 -8.36
OH_Top (+Y) 43.000 44.000 -0.180 -0.300 0.180 0.52 -6.40 -1.44 -8.36
OH_Top (-Y) 43.000 44.000 -0.180 -0.300 0.180 0.52 -6.40 -1.44 -8.36
Roof (+Y) 1.000 7.500 -0.180 -0.900 0.180 0.52 -6.40 -11.24 -18.15
Roof (-Y) 1.000 7.500 -0.180 -0.900 0.180 0.52 -6.40 -11.24 -18.15
Roof (+Y) 7.500 15.000 -0.180 -0.900 0.180 0.52 -6.40 -11.24 -18.15
Roof (-Y) 7.500 15.000 -0.180 -0.900 0.180 0.52 -6.40 -11.24 -18.15
Roof (+Y) 15.000 30.000 -0.180 -0.500 0.180 0.52 -6.40 -4.71 -11.62
Roof (-Y) 15.000 30.000 -0.180 -0.500 0.180 0.52 -6.40 -4.71 -11.62
Roof (+Y) 30.000 43.000 -0.180 -0.300 0.180 0.52 -6.40 -1.44 -8.36
Roof (-Y) 30.000 43.000 -0.180 -0.300 0.180 0.52 -6.40 -1.44 -8.36
Notes Roof Pressures:
Start Dist = Start Dist from Windward Edge End Dist = End Dist from Windward Edge
Cp_Max = Largest Coefficient Magnitude Cp_Min = Smallest Coefficient Magnitude
Pp_max = qh*G*Cp_max - qip*(+GCPi) Pn_max = qh*G*Cp_max - qin*(-GCpi)
Pp_min* = qh*G*Cp_min - qip*(+GCPi) Pn_min* = qh*G*Cp_min - qin*(-GCPi)
OH = Overhang X = Dir along Ridge Y = Dir Perpendcular to Ridge Z = Vertical
* The smaller uplift pressures due to Cp_Min can become critical when wind is combined
with roof live load or snow load; load combinations are given in ASCE 7
+ Pressures Acting TOWARD Surface - Pressures Acting AWAY from Surface
Reactions Walls+Roof +GCPi Parallel to Ridge
Description Pressure Area Fx Fy Fz Mx My Mz
psf ft Kip Kip Kip k-ft k-ft k-ft
------------- -------- ------- ----- ----- ------ ------ ------- -----
Hip_End (+X) -8.36 133.33 -0.66 0.00 -0.90 5.83 6.46 -4.30
Hip_End (+X) -8.36 133.33 -0.66 0.00 -0.90 -5.83 6.46 4.30
Hip_End (-X) -18.15 111.02 1.20 0.00 -1.62 11.14 -12.73 8.23
Hip_End (-X) -18.15 111.02 1.20 0.00 -1.62 -11.14 -12.73 -8.23
Hip_End (-X) -18.15 22.31 0.24 0.00 -0.33 0.87 -0.17 0.64
Hip_End (-X) -18.15 22.31 0.24 0.00 -0.33 -0.87 -0.17 -0.64
Leeward Wall -11.37 429.00 -4.88 0.00 0.00 0.00 -26.83 0.00
OH_Top (+X) -8.36 21.13 -0.07 0.00 -0.16 -1.59 2.77 0.66
OH_Top (+X) -8.36 21.13 -0.07 0.00 -0.16 1.59 2.77 -0.66
OH_Top (+X) -8.36 0.54 0.00 0.00 0.00 0.08 0.07 -0.03
OH_Top (+X) -8.36 0.54 0.00 0.00 0.00 -0.08 0.07 0.03
OH_Top (+Y) -8.36 14.08 0.00 -0.05 -0.11 -1.68 1.58 -0.66
OH_Top (+Y) -8.36 0.54 0.00 0.00 0.00 -0.07 0.09 -0.04
OH_Top (+Y) -11.62 8.67 0.00 -0.04 -0.09 -1.44 0.37 -0.15
OH_Top (+Y) -11.62 7.58 0.00 -0.03 -0.08 -1.26 -0.28 0.12
OH_Top (+Y) -18.15 8.13 0.00 -0.06 -0.14 -2.11 -1.46 0.61
OH_Top (+Y) -18.15 7.04 0.00 -0.05 -0.12 -1.83 -2.09 0.87
OH_Top (+Y) -18.15 0.54 0.00 0.00 -0.01 -0.14 -0.19 0.08
OH_Top (-X) -18.15 21.13 0.15 0.00 -0.35 -3.45 -6.02 -1.44
OH_Top (-X) -18.15 21.13 0.15 0.00 -0.35 3.45 -6.02 1.44
OH_Top (-X) -18.15 0.54 0.00 0.00 -0.01 -0.18 -0.16 -0.08
OH_Top (-X) -18.15 0.54 0.00 0.00 -0.01 0.18 -0.16 0.08
OH_Top (-Y) -8.36 14.08 0.00 0.05 -0.11 1.68 1.58 0.66
OH_Top (-Y) -8.36 0.54 0.00 0.00 0.00 0.07 0.09 0.04
OH_Top (-Y) -11.62 8.67 0.00 0.04 -0.09 1.44 0.37 0.15
OH_Top (-Y) -11.62 7.58 0.00 0.03 -0.08 1.26 -0.28 -0.12
OH_Top (-Y) -18.15 8.13 0.00 0.06 -0.14 2.11 -1.46 -0.61
OH_Top (-Y) -18.15 7.04 0.00 0.05 -0.12 1.83 -2.09 -0.87
OH_Top (-Y) -18.15 0.54 0.00 0.00 -0.01 0.14 -0.19 -0.08
Roof (+Y) -8.36 116.19 0.00 0.37 0.90 6.53 -12.25 5.10
Roof (+Y) -8.36 42.25 0.00 -0.14 -0.33 -1.13 2.93 -1.22
Roof (+Y) -11.62 316.88 0.00 -1.42 -3.40 -11.81 1.70 -0.71
Roof (+Y) -18.15 75.62 0.00 -0.53 -1.27 -7.37 -15.52 6.47
Roof (+Y) -18.15 63.38 0.00 -0.44 -1.06 -3.69 -9.03 3.76
Roof (+Y) -18.15 40.57 0.00 -0.28 -0.68 -7.08 -11.33 4.72
Roof (-Y) -8.36 116.19 0.00 0.37 -0.90 6.53 12.25 5.10
Roof (-Y) -8.36 42.25 0.00 0.14 -0.33 1.13 2.93 1.22
Roof (-Y) -11.62 316.88 0.00 1.42 -3.40 11.81 1.70 0.71
Roof (-Y) -18.15 75.62 0.00 0.53 -1.27 7.37 -15.52 -6.47
Roof (-Y) -18.15 63.38 0.00 0.44 -1.06 3.69 -9.03 -3.76
Roof (-Y) -18.15 40.57 0.00 0.28 -0.68 7.08 -11.33 -4.72
Side Wall -14.89 462.00 0.00 6.88 0.00 -37.83 0.00 0.00
Side Wall -14.89 462.00 0.00 -6.88 0.00 37.83 0.00 0.00
Windward Wall 9.60 409.50 -3.93 0.00 0.00 0.00 -22.62 0.00
Windward Wall 9.60 19.50 -0.19 0.00 0.00 0.00 -0.05 0.00
------------- -------- ------- ----- ----- ------ ------ ------- -----
Total 0.00 3804.92 -7.28 0.75 -21.31 13.06 -135.52 10.21
Reactions Walls Only +GCPi Parallel to Ridge
Description Pressure Area Fx Fy Fz Mx My Mz
psf ft Kip Kip Kip k-ft k-ft k-ft
------------- -------- ------- ----- ----- ---- ------ ------ ----
Leeward Wall -11.37 429.00 -4.88 0.00 0.00 0.00 -26.83 0.00
Side Wall -14.89 462.00 0.00 6.88 0.00 -37.83 0.00 0.00
Side Wall -14.89 462.00 0.00 -6.88 0.00 37.83 0.00 0.00
Windward Wall 9.60 409.50 -3.93 0.00 0.00 0.00 -22.62 0.00
Windward Wall 9.60 19.50 -0.19 0.00 0.00 0.00 -0.05 0.00
------------- -------- ------- ----- ----- ---- ------ ------ ----
Total 0.00 1782.00 -9.00 0.00 0.00 0.00 -49.49 0.00
Reactions Walls+Roof -GCPi Parallel to Ridge
Description Pressure Area Fx Fy Fz Mx My Mz
psf ft Kip Kip Kip k-ft k-ft k-ft
------------- -------- ------- ----- ----- ----- ------ ------ -----
Hip_End (+X) 0.52 133.33 0.04 0.00 0.06 -0.36 -0.40 0.27
Hip_End (+X) 0.52 133.33 0.04 0.00 0.06 0.36 -0.40 -0.27
Hip_End (-X) 0.52 111.02 -0.03 0.00 0.05 -0.32 0.36 -0.24
Hip_End (-X) 0.52 111.02 -0.03 0.00 0.05 0.32 0.36 0.24
Hip_End (-X) 0.52 22.31 -0.01 0.00 0.01 -0.02 0.00 -0.02
Hip_End (-X) 0.52 22.31 -0.01 0.00 0.01 0.02 0.00 0.02
Leeward Wall -4.46 429.00 -1.91 0.00 0.00 0.00 -10.51 0.00
OH_Top (+X) 0.52 21.13 0.00 0.00 0.01 0.10 -0.17 -0.04
OH_Top (+X) 0.52 21.13 0.00 0.00 0.01 -0.10 -0.17 0.04
OH_Top (+X) 0.52 0.54 0.00 0.00 0.00 -0.01 0.00 0.00
OH_Top (+X) 0.52 0.54 0.00 0.00 0.00 0.01 0.00 0.00
OH_Top (+Y) 0.52 14.08 0.00 0.00 0.01 0.10 -0.10 0.04
OH_Top (+Y) 0.52 8.67 0.00 0.00 0.00 0.06 -0.02 0.01
OH_Top (+Y) 0.52 8.13 0.00 0.00 0.00 0.06 0.04 -0.02
OH_Top (+Y) 0.52 7.58 0.00 0.00 0.00 0.06 0.01 -0.01
OH_Top (+Y) 0.52 7.04 0.00 0.00 0.00 0.05 0.06 -0.02
OH_Top (+Y) 0.52 0.54 0.00 0.00 0.00 0.00 0.01 0.00
OH_Top (+Y) 0.52 0.54 0.00 0.00 0.00 0.00 -0.01 0.00
OH_Top (-X) 0.52 21.13 0.00 0.00 0.01 0.10 0.17 0.04
OH_Top (-X) 0.52 21.13 0.00 0.00 0.01 -0.10 0.17 -0.04
OH_Top (-X) 0.52 0.54 0.00 0.00 0.00 0.01 0.00 0.00
OH_Top (-X) 0.52 0.54 0.00 0.00 0.00 -0.01 0.00 0.00
OH_Top (-Y) 0.52 14.08 0.00 0.00 0.01 -0.10 -0.10 -0.04
OH_Top (-Y) 0.52 8.67 0.00 0.00 0.00 -0.06 -0.02 -0.01
OH_Top (-Y) 0.52 8.13 0.00 0.00 0.00 -0.06 0.04 0.02
OH_Top (-Y) 0.52 7.58 0.00 0.00 0.00 -0.06 0.01 0.01
OH_Top (-Y) 0.52 7.04 0.00 0.00 0.00 -0.05 0.06 0.02
OH_Top (-Y) 0.52 0.54 0.00 0.00 0.00 0.00 0.01 0.00
OH_Top (-Y) 0.52 0.54 0.00 0.00 0.00 0.00 -0.01 0.00
Roof (+Y) 0.52 316.88 0.00 0.06 0.15 0.53 -0.08 0.03
Roof (+Y) 0.52 116.19 0.00 -0.02 -0.06 -0.41 0.76 -0.32
Roof (+Y) 0.52 75.62 0.00 0.02 0.04 0.21 0.44 -0.18
Roof (+Y) 0.52 63.38 0.00 0.01 0.03 0.11 0.26 -0.11
Roof (+Y) 0.52 42.25 0.00 0.01 0.02 0.07 -0.18 0.08
Roof (+Y) 0.52 40.57 0.00 0.01 0.02 0.20 0.32 -0.13
Roof (-Y) 0.52 316.88 0.00 -0.06 0.15 -0.53 -0.08 -0.03
Roof (-Y) 0.52 116.19 0.00 -0.02 0.06 -0.41 -0.76 -0.32
Roof (-Y) 0.52 75.62 0.00 -0.02 0.04 -0.21 0.44 0.18
Roof (-Y) 0.52 63.38 0.00 -0.01 0.03 -0.11 0.26 0.11
Roof (-Y) 0.52 42.25 0.00 -0.01 0.02 -0.07 -0.18 -0.08
Roof (-Y) 0.52 40.57 0.00 -0.01 0.02 -0.20 0.32 0.13
Side Wall -7.97 462.00 0.00 3.68 0.00 -20.26 0.00 0.00
Side Wall -7.97 462.00 0.00 -3.68 0.00 20.26 0.00 0.00
Windward Wall 16.52 409.50 -6.76 0.00 0.00 0.00 -38.90 0.00
Windward Wall 16.52 19.50 -0.32 0.00 0.00 0.00 -0.08 0.00
------------- -------- ------- ----- ----- ----- ------ ------ -----
Total 0.00 3804.92 -9.00 -0.05 0.82 -0.81 -48.02 -0.63
Reactions Walls Only -GCPi Parallel to Ridge
Description Pressure Area Fx Fy Fz Mx My Mz
psf ft Kip Kip Kip k-ft k-ft k-ft
------------- -------- ------- ----- ----- ---- ------ ------ ----
Leeward Wall -4.46 429.00 -1.91 0.00 0.00 0.00 -10.51 0.00
Side Wall -7.97 462.00 0.00 3.68 0.00 -20.26 0.00 0.00
Side Wall -7.97 462.00 0.00 -3.68 0.00 20.26 0.00 0.00
Windward Wall 16.52 409.50 -6.76 0.00 0.00 0.00 -38.90 0.00
Windward Wall 16.52 19.50 -0.32 0.00 0.00 0.00 -0.08 0.00
------------- -------- ------- ----- ----- ---- ------ ------ ----
Total 0.00 1782.00 -9.00 0.00 0.00 0.00 -49.49 0.00
Reactions Walls+Roof Min Pressure Parallel to Ridge
Description Pressure Area* Fx Fy Fz Mx My Mz
psf ft Kip Kip Kip k-ft k-ft k-ft
------------- -------- ------ ----- ---- ---- ---- ------ -----
Hip_End (-X) 4.80 65.96 -0.32 0.00 0.00 0.00 -4.24 -2.17
Hip_End (-X) 4.80 65.96 -0.32 0.00 0.00 0.00 -4.24 2.17
Hip_End (-X) 4.80 13.26 -0.06 0.00 0.00 0.00 -1.08 -0.17
Hip_End (-X) 4.80 13.26 -0.06 0.00 0.00 0.00 -1.08 0.17
OH_Top (-X) 4.80 8.13 -0.04 0.00 0.00 0.00 -0.42 0.38
OH_Top (-X) 4.80 8.13 -0.04 0.00 0.00 0.00 -0.42 -0.38
OH_Top (-X) 4.80 0.21 0.00 0.00 0.00 0.00 -0.01 0.02
OH_Top (-X) 4.80 0.21 0.00 0.00 0.00 0.00 -0.01 -0.02
Windward Wall 9.60 409.50 -3.93 0.00 0.00 0.00 -22.60 0.00
Windward Wall 9.60 19.50 -0.19 0.00 0.00 0.00 -0.05 0.00
------------- -------- ------ ----- ---- ---- ---- ------ -----
Total 0.00 604.10 -4.96 0.00 0.00 0.00 -34.15 0.00
Notes:
X= Along Building ridge, Y = Normal to Building Ridge, Z = Vertical
MIN = Minimum pressures on Walls = 9.60 psf and Roof = 4.80 psf
Area* = Area of the surface projected onto a vertical plane normal to wind.
Reaction Summary (MWFRS)
Description Fx Fy Fz Mx My Mz
Kip Kip Kip k-ft k-ft k-ft
----------------------------------------- ----- ------ ------ ----- ------- -----
Normal to Ridge Walls+Roof +GCPi 0.00 -11.12 -20.58 53.55 0.00 0.00
Normal to Ridge Walls Only +GCPi 0.00 -9.81 0.00 53.94 0.00 0.00
Normal to Ridge Walls+Roof -GCPi 0.00 -13.21 0.23 19.03 0.00 0.00
Normal to Ridge Walls Only -GCPi 0.00 -9.81 0.00 53.94 0.00 0.00
Normal to Ridge Walls+Roof Min Pressure 0.00 -5.73 0.00 43.53 0.00 0.00
Parallel to Ridge Walls+Roof +GCPi -7.28 0.75 -21.31 13.06 -135.52 10.21
Parallel to Ridge Walls Only +GCPi -9.00 0.00 0.00 0.00 -49.49 0.00
Parallel to Ridge Walls+Roof -GCPi -9.00 -0.05 0.82 -0.81 -48.02 -0.63
Parallel to Ridge Walls Only -GCPi -9.00 0.00 0.00 0.00 -49.49 0.00
Parallel to Ridge Walls+Roof Min Pressure -4.96 0.00 0.00 0.00 -34.15 0.00
Notes applyig to MWFRS Reactions
* Per Figure 27.4-1 Note 9, Use greater of Shear calculated with or without roof.
* X= Along Building ridge, Y = Normal to Building Ridge, Z = Vertical
* Minimum Pressures applied to a vertical plane normal to wind.
* Reactions calculated about the geometric center of the footprint
Components and Cladding (C&C) Zone Summary per Ch 30 Pt 1:
h/W = Ratio of mean roof height to building width = 0.385
h/L = Ratio of mean roof height to building length = 0.357
h = Mean Roof Height above grade = 15.000 ft
Kh = 15 ft [4.572 m]< Z <Zg -->(2.01*(Z/zg)^(2/Alpha) {Table 26.10-1}= 0.575
Kzt = Topographic Factor is 1 since no Topographic feature specified = 1.000
Kd = Wind Directionality Factor Manually Specified by Designer = 0.85
GCPi = Ref Table 26.13-1 for Enclosed Building = +/-0.18
LF = Load Factor based upon ASD Design = 0.60
qh = (0.00256 * Kh * Kzt * Kd * Ke * V^2) * LF = 19.21 psf
LHD = Least Horizontal Dimension: Min(B, L) = 39.000 ft
a1 = Min(0.1 * LHD, 0.4 * h) = 3.900 ft
a = Max(a1, 0.04 * LHD, 3 ft [0.9 m]) = 3.900 ft
h/B = Ratio of mean roof height to least hor dim: h / B = 0.385
Wind Pressure Summary for C&C Zones based Upon Areas Ch 30 Pt 1 (Table 1 of 2)
All wind pressures include a load factor of 0.6
Zone | Figure | A <= | A = | A = | A =
| | 7.00 sq ft | 10.00 sq ft | 20.00 sq ft | 50.00 sq ft
psf psf psf psf
----- - ------- - ------------ - ------------ - ------------ - ------------
1 | 30.3-2G | 16.90 -30.35 | 16.90 -30.35 | 14.59 -26.88 | 11.53 -22.29
1_OH | 30.3-2G | 9.60 -36.50 | 9.60 -36.29 | 9.60 -35.90 | 9.60 -35.37
2e | 30.3-2G | 16.90 -41.88 | 16.90 -41.88 | 14.59 -37.43 | 11.53 -31.56
2e_OH | 30.3-2G | 9.60 -48.02 | 9.60 -47.00 | 9.60 -45.01 | 9.60 -42.39
2r | 30.3-2G | 16.90 -41.88 | 16.90 -41.88 | 14.59 -37.43 | 11.53 -31.56
2r_OH | 30.3-2G | 9.60 -48.02 | 9.60 -47.00 | 9.60 -45.01 | 9.60 -42.39
3 | 30.3-2G | 16.90 -41.88 | 16.90 -41.88 | 14.59 -37.43 | 11.53 -31.56
3_OH | 30.3-2G | 9.60 -59.55 | 9.60 -56.28 | 9.60 -49.92 | 9.60 -41.52
4 | 30.3-1 | 22.67 -24.59 | 22.67 -24.59 | 21.65 -23.57 | 20.30 -22.22
5 | 30.3-1 | 22.67 -30.35 | 22.67 -30.35 | 21.65 -28.31 | 20.30 -25.61
Wind Pressure Summary for C&C Zones based Upon Areas Ch 30 Pt 1 (Table 2 of 2)
All wind pressures include a load factor of 0.6
Zone | Figure | A = | A = | A >
| | 100.00 sq ft | 200.00 sq ft | 500.00 sq ft
psf psf psf
----- - ------- - ------------ - ------------ - ------------
1 | 30.3-2G | 9.60 -18.82 | 9.60 -18.82 | 9.60 -18.82
1_OH | 30.3-2G | 9.60 -34.97 | 9.60 -34.58 | 9.60 -34.58
2e | 30.3-2G | 9.60 -27.11 | 9.60 -22.67 | 9.60 -22.67
2e_OH | 30.3-2G | 9.60 -40.40 | 9.60 -38.42 | 9.60 -38.42
2r | 30.3-2G | 9.60 -27.11 | 9.60 -22.67 | 9.60 -22.67
2r_OH | 30.3-2G | 9.60 -40.40 | 9.60 -38.42 | 9.60 -38.42
3 | 30.3-2G | 9.60 -27.11 | 9.60 -22.67 | 9.60 -22.67
3_OH | 30.3-2G | 9.60 -35.17 | 9.60 -28.81 | 9.60 -28.81
4 | 30.3-1 | 19.27 -21.20 | 18.25 -20.17 | 16.90 -18.82
5 | 30.3-1 | 19.27 -23.57 | 18.25 -21.52 | 16.90 -18.82
* A is effective wind area for C&C: Span Length * Effective Width
* Effective width need not be less than 1/3 of the span length
* Maximum and minimum values of pressure shown.
* + Pressures acting toward surface, - Pressures acting away from surface
* _OH represents an Overhang in the zone specified
* Overhang pressures calculated per Para 30.9
* Per Para 30.2.2 the Minimum Pressure for C&C is 9.60 psf [0.460 kPa] {Includes LF}
* Interpolation can be used for values of A that are between those values shown.