Application of High-Strength Lightweight Concrete in Gob-Side Entry Retaining in Inclined Coal Seam

Figure 15

Vertical stress distributions of different GSSB widths: (a) 0.5 m, (b) 0.75 m, (c) 1.0 m, and (d) 1.5 m.

(a)

(b)

(c)

(d)