Defense structures in avalanche starting zones - SLF

3 > Planning of supporting structures 39
Tab. 3.2 > Distance between structures L' [m] in plan view according to Fig. 13.
Inclination of
slope
DK [m] HK [m]
L' = L · cos ψ [m]
N ≥ 1.2
tan φ =
0.60 0.55 0.50
90 % (42°) 1.5 2.02 9.0 7.7 6.7
2.0 2.69 12.0 10.3 9.0
2.5 3.36 15.0 12.9 11.2
3.0 4.04 18.0 15.4 13.5
3.5 4.71 21.0 18.0 15.7
4.0 5.38 19.7 18.0
4.5 6.05 17.9
5.0 6.73 16.7
100 % (45°) 1.5 2.12 7.5 6.7 6.0
2.0 2.83 10.0 8.9 8.0
2.5 3.54 12.5 11.1 10.0
3.0 4.24 15.0 13.3 12.0
3.5 4.95 17.5 15.6 14.0
4.0 5.66 16.1 16.0
4.5 6.36 14.8
5.0 7.07 13.9
110 % (47.7°) 1.5 2.23 6.6 6.0 5.5
2.0 2.97 8.8 8.0 7.3
2.5 3.72 11.0 10.0 9.2
3.0 4.46 13.2 12.0 11.0
3.5 5.20 15.1 14.0 12.8
4.0 5.95 13.6
4.5 6.69 12.6
5.0 7.43 11.9
120 % (50.2°) 1.5 2.34 6.0 5.5 5.1
2.0 3.12 8.0 7.4 6.9
2.5 3.91 10.0 9.2 8.6
3.0 4.69 12.0 11.1 10.3
3.5 5.47 12.8 12.0
4.0 6.25 11.7
4.5 7.03 10.9
5.0 7.81 10.4
130 % (52.4°) 1.5 2.46 5.6 5.2 4.9
2.0 3.28 7.4 6.9 6.5
2.5 4.10 9.3 8.7 8.1
3.0 4.92 11.1 10.4 9.7
3.5 5.74 11.1
4.0 6.56 10.2
4.5 7.38 9.6
5.0 8.20 9.2