Research Article
A Novel Method for Evaluating Dredging Productivity Using a Data Envelopment Analysis-Based Technique
Table 12
The dredging assessment results for Cao Gongzhao II.
| Work day | Traditional dredging productivity method | Proposed method | Dredging productivity result | Dredging productivity result/One-day high dredging productivity | 1 input result | 3 input result |
| 1 | 369.231 | 0.003 | 0.003 | 0.015 | 2 | 7957.059 | 0.059 | 0.059 | 0.275 | 3 | 9087.805 | 0.067 | 0.067 | 0.257 | 4 | 12795.929 | 0.094 | 0.094 | 0.332 | 5 | 12641.538 | 0.093 | 0.093 | 0.320 | 6 | 10407.042 | 0.077 | 0.077 | 0.294 | 7 | 11308.085 | 0.083 | 0.083 | 0.301 | 8 | 13212.254 | 0.097 | 0.097 | 0.373 | 9 | 13579.859 | 0.100 | 0.100 | 0.383 | 10 | 13671.127 | 0.101 | 0.101 | 0.386 | 11 | 13479.718 | 0.099 | 0.099 | 0.381 | 12 | 12954.930 | 0.095 | 0.095 | 0.366 | 13 | 15250.563 | 0.112 | 0.112 | 0.431 | 14 | 15874.225 | 0.117 | 0.117 | 0.448 | 15 | 15509.388 | 0.114 | 0.114 | 0.453 | 16 | 15678.367 | 0.115 | 0.115 | 0.458 | 17 | 16793.289 | 0.124 | 0.124 | 0.507 | 18 | 8566.941 | 0.063 | 0.063 | 0.261 | 19 | 16751.538 | 0.123 | 0.123 | 0.493 | 20 | 17060.662 | 0.126 | 0.126 | 0.486 | 21 | 18697.959 | 0.138 | 0.138 | 0.546 | 22 | 19350.629 | 0.142 | 0.142 | 0.582 | 23 | 19400.979 | 0.143 | 0.143 | 0.583 | 24 | 19197.237 | 0.141 | 0.141 | 0.580 | 25 | 20346.164 | 0.150 | 0.150 | 0.560 | 26 | 20745.634 | 0.153 | 0.153 | 0.586 | 27 | 27087.611 | 0.199 | 0.199 | 0.704 | 28 | 29720.000 | 0.219 | 0.219 | 0.738 | 29 | 31987.742 | 0.235 | 0.235 | 0.684 | 30 | 27638.333 | 0.203 | 0.203 | 0.686 | 31 | 27242.913 | 0.200 | 0.200 | 0.645 | 32 | 26311.456 | 0.194 | 0.194 | 0.623 | 33 | 50123.333 | 0.369 | 0.369 | 0.940 | 34 | 52828.364 | 0.389 | 0.389 | 1.000 | 35 | 77161.622 | 0.568 | 0.568 | 1.000 | 36 | 36870.000 | 0.271 | 0.271 | 0.470 | 37 | 35010.000 | 0.258 | 0.258 | 1.000 | 38 | 135900.000 | 1.000 | 1.000 | 1.000 |
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