Stress Evolution Mechanism and Control Technology for Reversing Mining and Excavation under Mining-Induced Dynamic Pressure in Deep Mine

Table 2

Surface displacement of roadway with different pillar widths.

Coal pillar width/m	Floor heave/mm	Coal pillar displacement/mm	Solid slope displacement/mm	Roof subsidence/mm
10	379	340	267	194
15	327	310	253	178
20	263	249	210	152
25	231	209	181	135
30	216	199	171	129