Research Article
Robust Optimization for Time-Cost Tradeoff Problem in Construction Projects
Table 1
Engineering example.
| Activity () | Immediate predecessor | Construction model (m) | /day | /day | /ten thousand | /ten thousand |
| 1 | ā | 1 | 28 | 8 | 46 | 4 | 2 | 40 | 8 | 36 | 7 | 3 | 48 | 4 | 24 | 7 |
| 2 | 1 | 1 | 30 | 9 | 60 | 6 | 2 | 36 | 7 | 48 | 9 | 3 | 40 | 4 | 36 | 10 |
| 3 | 1 | 1 | 30 | 9 | 90 | 9 | 2 | 44 | 8 | 80 | 16 | 3 | 66 | 6 | 64 | 19 |
| 4 | 1 | 1 | 24 | 7 | 90 | 9 | 2 | 32 | 6 | 70 | 14 | 3 | 40 | 4 | 60 | 18 |
| 5 |
2.3 | 1 | 44 | 13 | 40 | 4 | 2 | 48 | 9 | 35 | 4 | 3 | 56 | 5 | 30 | 9 |
| 6 | 4 | 1 | 28 | 8 | 80 | 8 | 2 | 36 | 7 | 64 | 12 | 3 | 48 | 4 | 36 | 4 |
| 7 | 5.6 | 1 | 18 | 5 | 60 | 6 | 2 | 30 | 6 | 48 | 9 | 3 | 36 | 3 | 44 | 13 |
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