ABCDEFGHIJKLMNOPQRSTUVWXYZ
1
2
WIND LOAD ANALYSIS
3
 BSI-CP3 for Pitch Roof Buildings
4
5
7
8
Building Span (w) =
21.40MArea of frame =1305.00 M.M
9
Eave Heigth (h) =6.00MNo of Frames =8
10
Ht. above Ground (H) =
6.00MSpacing of Frames =8.70 M
11
Building Length (L) =
60.95M
12
Roof Slope =1.0 : 10 =5.71Deg.
13
Wind Speed (V) =160.0KM/Hour =44.4 M/S
15
S1 =1.100
16
17
S2 =0.904
(A)For secondaries
18
=0.854
(B)For Primaries (All bldg.dim.£50M)
19
=0.804
(C)Other Primaries (bldg.dim.>50M)
20
S3 =1.000
21
25
1-Secondary Members
26
27
Design Wind Speed (Vs) = V x S1 x S2 X S3 =
44.2 M/S
28
Dynamic Pressure (q) = (K x Vs2) /1000 =
1.197 KN/M.M
29
30
a- At Roof
32
h/w =0.28h/w<=1/2
34
35
Longitudinal Wind
36
CpeCpiCpe-Cpi
Pressure=q(Cpe-Cpi) (KN/M2)
37
Exterior Bays-0.800.20-1.00-1.20cond
38
Interior Bays-0.430.20-0.63-0.75(1)
39
40
Exterior Bays-0.80-0.30-0.50-0.60cond
41
Interior Bays-0.43-0.30-0.13-0.15(2)
42
43
45
Transverse Wind
47
Windward Roof
-0.940.20-1.14-1.37cond
48
Leeward Roof
-0.400.20-0.60-0.72(1)
49
50
Windward Roof
-0.94-0.30-0.64-0.77cond
51
Leeward Roof
-0.40-0.30-0.10-0.12(2)
52
53
55
Wind Pressure @ Local Areas
Edge strip (y) =3.2M
57
Area 1 (Ex. trsv. strip)
-1.400.20-1.60-1.92
58
Area 2 (Ex. eave. strip)
-1.230.20-1.43-1.71
59
Area 3 (Int.eave strip)
-1.200.20-1.40-1.68
60
Area 4 (strip @ ridge)
-1.030.20-1.23-1.47
61
66
68
b- At Walls
69
71
L/w =2.853/2<L/w<=4
73
Longitudinal Wind
74
CpeCpiCpe-Cpi
Pressure=q(Cpe-Cpi) (KN/M2)
75
Left Side Wall
-0.500.20-0.70-0.84
76
Right Side Wall
-0.500.20-0.70-0.84Condition
77
78
Windward Wall
0.700.200.500.60(1)
79
Leeward Wall-0.100.20-0.30-0.36
80
81
Left Side Wall
-0.50-0.30-0.20-0.24
82
Right Side Wall
-0.50-0.30-0.20-0.24Condition
83
Windward Wall
0.70-0.301.001.20(2)
84
Leeward Wall-0.10-0.300.200.24
88
Transverse Wind
89
90
Left Side Wall
0.700.200.500.60
91
Right Side Wall
-0.250.20-0.45-0.54Condition
93
End Wall 1-0.600.20-0.80-0.96(1)
94
End Wall 2-0.600.20-0.80-0.96
95
96
Left Side Wall
0.70-0.301.001.20
97
Right Side Wall
-0.25-0.300.050.06Condition
98
End Wall 1-0.60-0.30-0.30-0.36(2)
99
End Wall 2-0.60-0.30-0.30-0.36
100
103
Wind Pressure @ Local Areas
Edge strip (y) =5.4M
104
105
Local area-1.000.20-1.20-1.44
106
107
108
109
113
114
115
116
2-Primary Members
117
118
Design Wind Speed (Vs) = V x S1 x S2 X S3 =
39.3 M/S
119
Dynamic Pressure (q) = (K x Vs2) /1000 =
0.947 KN/M.M
120
121
a- At Roof
122
125
126
Longitudinal Wind
127
CpeCpiCpe-Cpi
Pressure=q(Cpe-Cpi) (KN/M2)
128
Exterior Bays-0.800.20-1.00-0.95cond
129
Interior Bays-0.430.20-0.63-0.60(1)