Research Article

Research on Inpit Dumping Height during Tracing Mining Period between Two Adjacent Surface Coal Mines

Table 8

Transportation cost of stripping spoil over elevation 1160 in Haerwusu coal mine with elevation 1160 covered.

ElevationEngineering quantity (m3 × 106)Distance (m)Transportation unit price (yuan/m4)Transportation cost (million yuan)

120573.644010.00258.10
1190201.4542800.002521.56
1175381.7043100.002541.13
1160872.3544150.002596.29
11451608.052550.0025211.25
11302293.647000.0025269.50
11152405.545200.0025271.82
11002941.439500.0025290.46
Total1210.10