Research Article
Experimental Study on Reasonable Spacing after Carbon Dioxide Presplitting in Low-Permeability Coal Seam
Table 1
Extraction radius at different extraction times.
| | Extraction time (d) | 30 | 40 | 50 | 60 | 70 | 80 | 90 | 100 |
| | Extraction radius (m) | 1.93 | 2.26 | 2.51 | 2.72 | 2.90 | 3.05 | 3.18 | 3.30 | | Extraction time (d) | 110 | 120 | 130 | 140 | 150 | 160 | 170 | 180 | | Extraction radius (m) | 3.41 | 3.51 | 3.60 | 3.69 | 3.77 | 3.84 | 3.91 | 3.98 |
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