Research on the Influence of Slurry Filling on the Stability of Floor Coal Pillars during Mining above the Room-and-Pillar Goaf: A Case Study

Figure 1

The location of the Yuanbaowan coal mine and the schematic diagram of mining above the goaf: (a) roof pillar; (b) floor pillar; (c) geographic location; (d) schematic diagram of no. 6107 working face mining above the goaf.

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