Stability of a Roadway below a Coal Seam under Dynamic Pressure: A Case Study of the 11123 Floor Gas Drainage Roadway of a Mine in Huainan, China

Figure 11

Multiparameter variation in the data obtained at different measuring point depths: (a) 6.13 m; (b) 9.18 m; (c) 13.45 m; (d) 18.94 m; (e) 22.6 m; (f) 23.21 m.

(a)

(b)

(c)

(d)

(e)

(f)