A Pocket Assay Grouting Technology for Rock Burst Control under Huge-Thick Conglomerate

Figure 10

Pocket layer reinforcing process. In the figure, the numbers represent the following parts: (1) high-pressure hose, (2) grouting pipe bend, (3) the grouting hole, (4) grouting steel pipe, (5) plastic ring, (6) nylon pouch, (7) material slurry, (8) the rubber aprons, (9) pocket inflation, (10) perforated grouting pipe, (11) rubber plug, (12) wire head, (13) coal seam, and (14) surface soil layer.