Research Article
Ground Pressure under Mining Ore Bodies of Different Angles Based on Physical Simulation
Figure 6
Surveying variation curve of horizontal displacement follows each exploit progress (20°). (a) Variation curve of horizontal displacement after 1-step excavation at each measuring point. (b) Variation curve of horizontal displacement after 3-step excavation at each measuring point. (c) Variation curve of horizontal displacement after 5-step excavation at each measuring point. (d) Variation curve of horizontal displacement after 5-step excavation at each measuring point.
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