Research Article

Mechanism and Integrated Control of “Rib Spalling: Roof Collapse—Support Instability” Hazard Chains in Steeply Dipping Soft Coal Seams

Figure 2

Disasters in the SDCS working face. (a) Spalling and roof collapse [15]. (b) Falling of gangues between supports [15]. (c) Spalling-caused overturning of the working face equipment.
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(b)
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