Environmental Engineering Reference
In-Depth Information
G
j
F
j
2
[kN]
z
j
F
j
2
[m]
Node
z
j
[m]
D
z
j
[m]
G
j
[kN]
F
j
D
14
57.800
4.400
847.52
0.1953
32.31
0.1677
13
53.400
4.400
878.62
0.1664
24.33
0.1219
12
49.000
4.400
909.73
0.1399
17.80
0.0861
11
44.600
4.400
940.83
0.1157
12.58
0.0589
10
40.200
4.400
971.93
0.0937
8.54
0.0387
9
35.800
4.400
1018.58
0.0741
5.59
0.0242
8
31.400
4.400
1065.24
0.0568
3.43
0.0142
7
27.000
4.400
1142.99
0.0418
1.99
0.0077
6
22.600
4.400
1236.30
0.0290
1.04
0.0037
5
18.200
4.400
1329.60
0.0186
0.46
0.0015
4
13.800
4.400
1438.46
0.0105
0.16
0.0005
3
9.400
4.400
1457.68
0.0047
0.03
0.0001
2
5.000
4.450
1495.87
0.0012
0.00
0.0000
1
0.500
2.250
827.02
0.0000
0.00
0.0000
G
0
¼
6797.25
h
0
¼
25.9745
Total
h
¼
129.674 G
¼
30
010.57
m
¼
10
3
G
0
/h
0
/9.81
¼ 26.676 t/m
The following sample calculation compares the results according to DIN 1055-4 [12]
with those of the DIBt guideline [9] which arise as a result of the different
approaches.
Calculation of gust response factor
Example:
prestressed concrete wind turbine structure, hub height 130m (see
Section 5.2)
Symbol
Reference
DIN 1055-4
annex C
DIBt
guideline
Height of tower
h [m]
129.674
129.674
Width of tower
b [m]
5.60
5.60
Reference height
z
e
¼
0.6
h
[m]
Figure C.1
77.804
77.804
Reference wind speed
v
ref
[m/s]
Zone 2
25.0
