International Symposium on Mitigative Measures against Snow ...

<strong>International</strong> <strong>Symposium</strong> on Mitigative Measures against Snow Avalanches
Egilsstaðir, Iceland, March 11–14, 2008
Snow height
a) q
Ground
b)
Force (kN)
75.0
50.0
25.0
0.0
-25.0
H
D
f
u
e
Figure 3 a) Input parameters for design of posts and struts.
b) Estimated section forces between post and tendon indicate the ideal fix point.
Table 1 The posts - Square steel hollow sections
Length of post Fix point location Dimensions Material
m m mm no.
2.0 1.3 50x50x4 St. 52
2.5 1.6 60x60x4 St. 52
3.0 2.0 70x70x4 St. 52
54 Light rockfall prevention mesh used as retention structure
a
b
b
SECTION FORCES
-50.0
-4.0
0.00 1.00 2.00 3.00
Length from footing (m)
Normal force (kN)
Shear force (kN)
Moment (kNm)
y
6.0
5.0
4.0
3.0
2.0
1.0
0.0
-1.0
-2.0
-3.0
Moment (kNm)