Research Article
Fracturing of the Soft Rock Surrounding a Roadway Subjected to Mining at Kouzidong Coal Mine
Table 3
Particle radius and distribution.
| | Distribution range (m) | 0∼5.1 | 5.1∼7.1 | 7.1∼10.1 | 10.1∼12.1 | 12.1∼boundary |
| | Particle radius (cm) | 1.5∼2.25 | 2.1∼3.55 | 3.6∼5.05 | 3.9∼6.05 | 15.9∼25.5 |
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