Deformation and Failure Characteristics and Control Technology of Roadway Surrounding Rock in Deep Coal Mines

Figure 11

The displacement relationships between the floor heave, two sides, and roof. (a) The relationship between floor heave and the displacement of the two sides. (b) The relationship between roof subsidence and the deformation of the two sides. (c) The relationship between roof subsidence and floor heave.

(a)

(b)

(c)