Stability Control of a Roadway Surrounding Rock during the Cutting and Pressure Relief of a Coal-Bearing Roof at a Shallow Mining Depth

Figure 6

Pillar load curves of supports in the middle unaffected area and uncut top area: (a) No. 95, (b) No. 100, (c) No. 125, and (d) No. 165.

(a)

(b)

(c)

(d)