Ground Pressure under Mining Ore Bodies of Different Angles Based on Physical Simulation

Figure 8

Surveying variation curve of horizontal displacement follows each exploit progress (50°). (a) Change curve of horizontal displacement after 1-step excavation of measuring point. (b) Change curve of horizontal displacement after 5-step excavation of measuring point. (c) Change curve of horizontal displacement after 8-step excavation of measuring point. (d) Change curve of horizontal displacement after 10-step excavation of measuring point.

(a)

(b)

(c)

(d)