Simulation Research for the Influence of Mining Sequence on Coal Pillar Stability under Highwall Mining Method

Figure 5

Stress nephogram and displacement nephogram of two methods. (a) Vertical stress nephogram of the first borehole. (b) Displacement nephogram of the first borehole. (c) Vertical stress nephogram of the second borehole. (d) Vertical stress nephogram of the second borehole. (e) Vertical stress nephogram of the third borehole. (f) Vertical stress nephogram of the third borehole. (g) Vertical stress nephogram of the third borehole. (h) Vertical stress nephogram of the third borehole. (i) Displacement nephogram of the fifth borehole. (j) Displacement nephogram of the fifth borehole.

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