Research Article
Experimental Study on Reasonable Spacing after Carbon Dioxide Presplitting in Low-Permeability Coal Seam
Table 5
Average extraction radius at different extraction times.
| | Extraction time (d) | 30 | 40 | 50 | 60 | 70 | 80 | 90 | 100 |
| | Extraction radius (m) | 1.78 | 2.15 | 2.43 | 2.66 | 2.85 | 3.02 | 3.17 | 3.30 | | Extraction time (d) | 110 | 120 | 130 | 140 | 150 | 160 | 170 | 180 | | Extraction radius (m) | 3.42 | 3.53 | 3.63 | 3.73 | 3.82 | 3.89 | 3.97 | 4.05 |
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