Research Article
Experimental Study on Flow Characteristics of Aeolian Sand in Fractures
Table 1
Characteristics of borehole rock strata at the sand breaking point of Halagou Mine.
| | Stratum | Strata thickness (m) | Rock composition |
| | Quaternary | 50.31 | Aeolian sand |
| | Straight from group | 24.63 | Siltstone, fine sandstone |
| | Yan’an group | 10.32 | Interbedded fine sand | | 16.74 | Medium fine sandstone | | 7.00 | Siltstone, fine sandstone | | 5.40 | Coal seam | | 3.49 | Siltstone |
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