Research Article

Numerical Simulation on the Evolution of Mining-Induced Fracture Network in a Coal Seam and Its Overburden under the Top Coal Caving Method

Figure 3

Diagram of the calculation of fractal dimension in the section plane: (a) model with fracture network and section plane; (b) the intersection of fracture network in the section plane; (c) calculation of fractal dimension using the “counting the box” method.
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