Research Article
Determination of Width of Sectional Coal Pillars in the Working Face of Burst-prone Inclined Thick Coal Seams
Table 1
Rock structure of borehole in LW (4-5)04.
| | Rock stratum number (13-2S) | Lithology | Thickness (m) |
| | R10 | Medium sandstone | 3.7 | | R9 | Siltstone | 5.9 | | R8 | Mudstone | 3.4 | | R7 | Coal seam 4-5 | 6.3 | | R6 | Mudstone | 2.9 | | R5 | Coal seam 7 | 2.5 | | R4 | Fine sandstone | 2.9 | | R3 | Siltstone | 2.3 | | R2 | Fine sandstone | 2.6 | | R1 | Siltstone | 5.4 | | Coal | Coal seam 9-15 | 38 | | F1 | Mudstone | 3.55 |
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