Research Article

Large-Deformation Failure Mechanism of Coal-Feeder Chamber and Construction of Wall-Mounted Coal Bunker in Underground Coal Mine with Soft, Swelling Floor Rocks

Figure 3

Collapse characteristics of the CFC in coal bunker #214. (a) The roof was cracked. (b) The roof was fractured. (c) The reinforced concrete column was inclined. (d) The reinforced concrete column was damaged.
(a)
(b)
(c)
(d)