Research Article
Optimization of Overcast Stripping Technology Parameters Based on Discrete Event System Simulation
Table 2
Operational efficiency under various bench heights.
| | Step height (m) | Advanced ditch | Step | Coal ditch | Total time | Efficiency (m3/h) | Efficiency (m3/a) | Efficiency change (compared to 11 m step) |
| | 11 | Material volume (m3) | 35647 | 68110 | 3654 | 107410 | 4249.54 | 19122930 | 0 | | Time consumption (h) | 10.09 | 14.19 | 0.98 | 25.11 |
| | 12 | Material volume (m3) | 37312 | 68204 | 4318 | 109833 | 4264.21 | 19188945 | +0.35% | | Time consumption (h) | 10.44 | 14.24 | 1.08 | 25.76 |
| | 13 | Material volume (m3) | 38769 | 67638 | 5081 | 111489 | 4276.52 | 19244340 | +0.63% | | Time consumption (h) | 10.75 | 14.08 | 1.24 | 26.07 |
| | 14 | Material volume (m3) | 40042 | 66237 | 5815 | 112063 | 4269.49 | 19212705 | +0.47% | | Time consumption (h) | 10.99 | 13.97 | 1.32 | 26.28 |
| | 15 | Material volume (m3) | 41146 | 63882 | 6705 | 111690 | 4165.98 | 18746910 | ā1.97% | | Time consumption (h) | 11.38 | 13.82 | 1.61 | 26.81 |
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