HomeMy WebLinkAboutEngineering ASCE 7-10 Wind Calcs .
Date 6/24/2015 Project No. 15KWD02
Company Name Consulting Engineer Designed By Darren Spence, P.E.
Address 10725 NW 17th St. Description ASCE 7-10 Wind Calcs. �Age
City Coral Springs Customer Name : Newton
State FL Proj Location : 9550 S. Ocean Dr., #102
Jensen Beach, FL 34957
Input Parameters: Directional Procedure All Heights Building (Ch 27 Part 1)
Basic Wind Speed(V) = 170.00 mph
Structural Category = II Exposure Category = D
Natural Frequency = N/A Flexible Structure = No
Importance Factor = 1.00 Kd Directional Factor = 0.85
Damping Ratio (beta) = 0.01
Alpha = 11.50 Zg = 700.00 ft
At = 0.09 Bt = 1.07
Am = 0.11 Bm = 0.80
Cc = 0.15 1 = 650.00 ft
Epsilon = 0.13 Zmin = 7.00 ft
Pitch of Roof = 0 : 12 Slope of Roof(Theta) _ .00 Deg
h: Mean Roof Ht = 200.00 ft Type of Roof = MONOSLOPE
RHt: Ridge Ht = 200.00 ft Eht: Eave Height = 200.00 ft
OH: Roof Overhang at Eave= .00 ft Overhead Type = No Overhang
Bldg Length Along Ridge = 180.00 ft Bldg Width Across Ridge= 80.00 ft
Gust Factor Calculations
Gust Factor Category I Rigid Structures - Simplified Method
Gustl: For Rigid Structures (Nat. Freq.>l Hz) use 0.85 = 0.85
Gust Factor Category II Rigid Structures - Complete Analysis
Zm: 0.6*Ht = 120.00 ft
lzm: Cc*(33/Zm)^0.167 = 0.12
Lzm: 1*(Zm/33)^Epsilon = 763.83 ft
Q: (1/(1+0.63*((B+Ht)/Lzm)^0.63))^0.5 = 0.87
Gust2: 0.925*((1+1.7*lzm*3.4*Q)/(1+1.7*3.4*lzm)) = 0.87
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
pe �S3g8'6
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Wind Pressure on Components and Cladding (Ch 30 Part 3)
a a 2a 2a
3a 2 3
1-------------
F-
2
2a
-----
--
� 1
21 ,
,
�l S� i � 1
i -"-of i $
� 1
z ,
-----------------
33 2a
+ ,
t 1 1 2
Walls Heieht>60 ft. Roof
All pressures shown are based upon ASD Design, with a Load Factor of .6
Width of Pressure Coefficient Zone "a" = = 8.00 ft
Description Width Span Area Zone Max Min Max P Min P Elev
ft ft ft^2 GCp GCp psf psf ft
---------------------------------------------------------------------------
8' x 8' SGD more than 8' from building corners
8.00 8.00 69.0 9 0.79 -0.83 59.26 -61.96 200.0
8' x 8' SGD less than 8' from building corners
8.00 8.00 69.0 5 0.79 -1.51 59.26 -103.13 200.0
12' x 8' SGD more than 8' from building corners
12.00 8.00 96.0 9 0.75 -0.80 56.96 -59.92 200.0
12' x 8' SGD less than B' from building corners
12.00 8.00 96.0 5 0.75 -1.91 56.96 -96.98 200.0
2-
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