Research on the Deformation and Control Technology of Surrounding Rock in Entry Retaining along the Gob Side

Figure 14

The distribution of the surrounding rock (2.3–7.8 m) outside the anchor zone. (a) 2.6 m. (b) 4.2 m. (c) 5.8 m. (d) 7.6 m.

(a)

(b)

(c)

(d)