Research on Surrounding Rock Control Technology of Dongbaowei Deep Mining Roadway

Figure 9

Displacement distribution. (a) Scheme 1: interval 1.0 m × 0.8 m. (b) Scheme 2: interval 1.0 m × 1.0 m. (c) Scheme 3: interval 1.0 m × 1.2 m.

(a)

(b)

(c)