Research Article
Research on Inpit Dumping Height during Tracing Mining Period between Two Adjacent Surface Coal Mines
Table 4
Transportation cost of stripping spoil over elevation 1100 in Haerwusu coal mine with elevation 1100 covered.
| Elevation | Engineering quantity (m3 × 106) | Distance (m) | Transportation unit price (yuan/m4) | Transportation cost (million yuan) |
| 1205 | 0.74 | 6455 | 0.0025 | 11.88 | 1190 | 2.01 | 6360 | 0.0025 | 32.03 | 1175 | 3.82 | 6445 | 0.0025 | 61.50 | 1160 | 8.72 | 6520 | 0.0025 | 142.19 | 1145 | 16.08 | 6545 | 0.0025 | 263.11 | 1130 | 22.94 | 5630 | 0.0025 | 322.82 | 1115 | 24.06 | 4520 | 0.0025 | 271.82 | 1100 | 29.41 | 3950 | 0.0025 | 290.46 | Total | | | | 1395.82 |
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