Disaster Control of Roof Falling in Deep Coal Mine Roadway Subjected to High Abutment Pressure

Figure 11

Numerical simulation results of surrounding rock deformation in the different schemes: (a) cloud graph of vertical displacement of scheme 1; (b) cloud graph of vertical stress of scheme 1; (c) cloud graph of vertical displacement of scheme 2; (d) cloud graph of vertical stress of scheme 2; (e) cloud graph of vertical displacement of scheme 3; (f) cloud graph of vertical stress of scheme 3; (g) cloud graph of vertical displacement of scheme 4; (h) cloud graph of vertical stress of scheme 4; (i) cloud graph of vertical displacement of scheme 5; (j) cloud graph of vertical stress of scheme 5.

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