Numerical Study on Soft Coal Pillar Stability in an Island Longwall Panel

<div>Stress distribution of the coal pillar in the gob-side entry. (a) Vertical stress. (b) Horizontal stress vertical to the axial location of the roadway. (c) Horizontal stress of the axial location of the roadway.</div>

Advances in Civil Engineering

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Figure 2

Figure 2: Numerical Study on Soft Coal Pillar Stability in an Island Longwall Panel 