Research on the Deformation Mechanism and Directional Blasting Roof Cutting Control Measures of a Deep Buried High-Stress Roadway

Figure 10

Z-directional stress: (a) cutting height 0 m; (b) cutting height 10 m; (c) cutting height 12 m; and (d) cutting height 14 m.

(a)

(b)

(c)

(d)