Research Article
Time Intervals for Maintenance of Offshore Structures Based on Multiobjective Optimization
Table 6
Comparison between solutions a2, b2, c2, d2, e2, f2, and g2. ICD corresponding to 5 years.
| Solution | Time interval (years) | Damage index (DI) | Confidence factor () | Expected cumulative total cost [CTC] (USD) |
| | 10 | 0.2284 | 1.0827 | 2133420 | | 9 | 0.2309 | 1.0886 | 2040560 | | 8 | 0.2371 | 1.1200 | 1870170 | | 7 | 0.2375 | 1.1255 | 1813980 | e2 | 5 | 0.2680 | 1.2029 | 1665650 | f2 | 4 | 0.2734 | 1.2284 | 1523060 | g2 | 4 | 0.2980 | 1.2458 | 1554500 |
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