Discussion on Advanced Seepage Reduction Characteristics of Working Face under Seepage-Damage Coupling

Figure 4

Stress nephogram and displacement nephogram at different working face lengths. (a) Numerical simulation geometry model. (b) Stress nephogram when working face length is 120 m. (c) Displacement nephogram when working face length is 120 m. (d) Stress nephogram when working face length is 160 m. (e) Displacement nephogram when working face length is 160 m. (f) Stress nephogram when working face length is 200 m. (g) Displacement nephogram when working face length is 200 m.

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