Research Article
A Novel Method for Evaluating Dredging Productivity Using a Data Envelopment Analysis-Based Technique
Table 9
2012 Cao Gongzhao II dredging record data.
| | Work day | Hydraulic excavator (SL-330) (A) | Hydraulic excavator (320B) (B) | Daily trucks (C) | Daily dredging (m3)(D) |
| | 1 | 3 | 10 | 13 | 320 | | 2 | 3 | 10 | 9 | 6012 | | 3 | 2 | 13 | 10 | 6210 | | 4 | 2 | 13 | 8 | 8033 | | 5 | 2 | 14 | 8 | 8217 | | 6 | 3 | 14 | 7 | 8210 | | 7 | 3 | 15 | 6 | 8858 | | 8 | 3 | 14 | 7 | 10423 | | 9 | 3 | 14 | 7 | 10713 | | 10 | 3 | 14 | 7 | 10785 | | 11 | 3 | 14 | 7 | 10634 | | 12 | 3 | 14 | 7 | 10220 | | 13 | 3 | 14 | 7 | 12031 | | 14 | 3 | 14 | 7 | 12523 | | 15 | 3 | 14 | 8 | 12666 | | 16 | 3 | 14 | 8 | 12804 | | 17 | 3 | 14 | 9 | 14181 | | 18 | 3 | 16 | 11 | 8091 | | 19 | 3 | 15 | 9 | 14518 | | 20 | 3 | 15 | 8 | 14312 | | 21 | 3 | 14 | 8 | 15270 | | 22 | 3 | 13 | 8 | 15373 | | 23 | 3 | 13 | 8 | 15413 | | 24 | 3 | 14 | 9 | 16211 | | 25 | 3 | 15 | 7 | 16503 | | 26 | 3 | 14 | 7 | 16366 | | 27 | 2 | 13 | 8 | 17005 | | 28 | 2 | 13 | 7 | 17832 | | 29 | 2 | 13 | 4 | 16527 | | 30 | 2 | 13 | 7 | 16583 | | 31 | 2 | 13 | 6 | 15589 | | 32 | 2 | 13 | 6 | 15056 | | 33 | 1 | 12 | 3 | 15037 | | 34 | 1 | 11 | 4 | 16142 | | 35 | 1 | 9 | 2 | 15861 | | 36 | 1 | 7 | 1 | 4916 | | 37 | 1 | 5 | 3 | 5057 | | 38 | 1 | 1 | 2 | 3775 |
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