Research Article
Stability Analysis and Monitoring Method for the Key Block Structure of the Basic Roof of Noncoal Pillar Mining with Automatically Formed Gob-Side Entry
Figure 3
GEFANM process and roadway formation result on the S1201-II working face. (a) Principle of integrated coal side formation. (b) CRLDA cable mounting. (c) Directional roof cutting. (d) Final result of the formed roadway.
(a) |
(b) |
(c) |
(d) |