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

<div>Structure model of overlying strata in the gob-side entry. (a) The fracture model of the main roof in the adjacent face. (b) The fracture model of the main roof in this face.</div>

Advances in Civil Engineering

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Figure 1

Figure 1: Numerical Study on Soft Coal Pillar Stability in an Island Longwall Panel 