Research Article
Research on Inpit Dumping Height during Tracing Mining Period between Two Adjacent Surface Coal Mines
Table 6
Transportation cost of stripping spoil over elevation 1130 in Haerwusu coal mine with elevation 1130 covered.
| Elevation | Engineering quantity (m3 × 106) | Distance (m) | Transportation unit price (yuan/m4) | Transportation cost (million yuan) |
| 1205 | 0.74 | 5115 | 0.0025 | 9.41 | 1190 | 2.01 | 4970 | 0.0025 | 25.03 | 1175 | 3.82 | 5124 | 0.0025 | 48.90 | 1160 | 8.72 | 5170 | 0.0025 | 112.75 | 1145 | 16.08 | 5255 | 0.0025 | 211.25 | 1130 | 22.94 | 4700 | 0.0025 | 269.50 | 1115 | 24.06 | 4520 | 0.0025 | 271.82 | 1100 | 29.41 | 3950 | 0.0025 | 290.46 | Total | | | | 1239.12 |
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