Water Inrush from Pregrouting Fractures Induced by Mining Activities and Its Engineering Control Method Optimization

<div>Displacement changes of two monitoring points with and without casing pipes (a) in the place 2 m away from coal seam floor and (b) in the place 15 m away from coal seam floor.</div>

Advances in Civil Engineering

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Figure 14

Figure 14: Water Inrush from Pregrouting Fractures Induced by Mining Activities and Its Engineering Control Method Optimization 