100 
Appendices 
Standardised wave height 
Discretisation of the standardised wave height 
— Distribution of the standardised wave and foundation 
load (quantified approach of the standardised wave 
height, combined phase by phase with the Hansteen 
distribution and subsequently rearranged) 
Figure 3-1.3: Wave distribution and standardised foundation loads induced by the wave load, 
for a 100-year design storm, incl. a five-hour strong wind phase and segmentation into five 
storm phases. 
Cycles during the 
strong wind phase (5 h) 
Total number of cycles 
Standardised load on 
the foundation ele 
ments according to [1]. 
Standardised wave 
height during the strong 
wind phase in [1} 
900 
900 
0.20 
0.37 
500 
1,400 
0.37 
0.69 
200 
1,600 
0.49 
0.91 
90 
1,690 
0.58 
1.08 
50 
1,740 
0.64 
1.19 
30 
1,770 
0.70 
1.3 
15 
1,785 
0.77 
1.43 
8 
1,793 
0.82 
1.53 
4 
1,797 
0.89 
1.66 
2 
1,799 
0.96 
1.79 
1 
1,800 
1.0 
1.86 
Table 3-I.2 Standardised load on the foundation elements and standardised wave height 
according to the Hansteen distribution for the strong wind phase (-2.5 h to +2.5 h) 
[1] Andersen K.H.: Foundation design of offshore gravity structures; Publication No. 185, 
Norwegian Geotechnical Institute, Oslo 1992