Research Article
Research on the Deformation Mechanism and Directional Blasting Roof Cutting Control Measures of a Deep Buried High-Stress Roadway
Figure 11
Deformation of the roof and floor: (a) cutting height 0 m; (b) cutting height 10 m; (c) cutting height 12 m; and (d) cutting height 14 m.
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(b) |
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(d) |