Table 6 The corresponding relationship between the displacement of surrounding rock and the stability of stope.

From: Collaborative optimization of the Mathews stability graph method and numerical simulation for the limit exposure area in stope

Displacement of stope surrounding rock

Stability of stope

 < 20 mm

Nothing influential

20–45 mm

Stope stabilization

45–100 mm

Potential stability problems in stope

 > 100 mm

Unstable

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