Research Article

Characteristics of Stress Transfer and Progressive Fracture in Overlying Strata due to Mining-Induced Disturbances

Figure 7

The fracture characteristics and horizontal displacement variation of overlying strata during the working face mining. (a) Mining to 4 m, (b) mining to 8 m, (c) mining to 20 m, (d) mining to 40 m, (e) mining to 100 m, and (f) mining to 180 m.
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