Study on In Situ Stress Distribution Law of the Deep Mine: Taking Linyi Mining Area as an Example

Figure 7

Difference of roadway conditions in different heading directions (plan). (a) Good roadway condition. (b) Poor roadway condition. (c) Deformation occurred on the left side of the roadway. (d) Deformation occurred on the right side of the roadway.

(a)

(b)

(c)

(d)