Time Intervals for Maintenance of Offshore Structures Based on Multiobjective Optimization

Table 4

Median of the structural capacity, 𝐶, and standard deviation of the natural logarithm, at the end of different time intervals, corresponding to solution C.

Δ𝑡 (years)	𝐶 (m)	𝜎ln𝐶|Δ𝑡
0	0.2534	0.0146
1	0.2518	0.0383
2	0.2503	0.0863
3	0.2495	0.1196
4	0.2476	0.1250
5	0.2468	0.1398
6	0.2448	0.1433
7	0.2417	0.1509
8	0.2392	0.1602
9	0.2375	0.1668
10	0.2364	0.1702
11	0.2342	0.1841
12	0.2315	0.1915
13	0.2300	0.1920
14	0.2285	0.2026
15	0.2273	0.2332