Research Article
Phase Planning for Open Pit Coal Mines through Nested Pit Generation and Dynamic Programming
Table 2
Major quantities of the best phase plan.
| ā | Phase 1 | Phase 2 | Phase 3 | Phase 4 | Total |
| Coal quantity/Mt | 200.15 | 200.50 | 200.66 | 220.29 | 821.60 | Rock quantity/Mm3 | 640.18 | 847.81 | 1012.22 | 1391.33 | 3891.54 | UCM quantity/Mm3 | 476.46 | 320.68 | 302.97 | 206.65 | 1306.76 | Average strip ratio/m3:t | 5.58 | 5.83 | 6.55 | 7.25 | 6.33 | Time length/a | 10.01 | 10.02 | 10.03 | 11.01 | 41.07 | NPV/M RMB | 13716.69 | 5920.99 | 2235.72 | 712.15 | 22585.55 |
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