Monitoring and Analysis of Stress Distribution of the Interaction between Rock and Backfill and the Influence of Geometric Features of the Backfill Boundary

Figure 4

The curves of backfill accumulated horizontal stress and accumulated vertical stress in 1100 m sublevel: (a) the curve of point in exploratory line-12; (b) the curve of point in exploratory line-14; (c) the curve of point in exploratory line-16.

(a)

(b)

(c)