Research Article
Simulation Study of the Roof Fracture Pattern of a Horizontal Sublevel Caving in a Steeply Inclined Thick Coal Seam
Table 2
The first test block matching experiment.
| (Sand + gravel): lime: gypsum | Sand : gravel | Sand (kg) | Gravel (kg) | Lime (kg) | Gypsum (kg) | Water (ml) |
| 5 : 0.5 : 0.5 | 1 : 1 | 0.72 | 0.72 | 0.14 | 0.14 | 120 | 1 : 2 | 0.48 | 0.96 | 0.14 | 0.14 | 103 | 1 : 3 | 0.36 | 1.08 | 0.14 | 0.14 | 86 | 6 : 0.5 : 0.5 | 1 : 1 | 0.74 | 0.74 | 0.12 | 0.12 | 120 | 1 : 2 | 0.49 | 0.98 | 0.12 | 0.12 | 103 | 1 : 3 | 0.37 | 1.1 | 0.12 | 0.12 | 86 | 7 : 0.5 : 0.5 | 1 : 1 | 0.75 | 0.75 | 0.1 | 0.1 | 120 | 1 : 2 | 0.5 | 1 | 0.1 | 0.1 | 103 | 1 : 3 | 0.38 | 1.14 | 0.1 | 0.1 | 86 |
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