Research Article

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

Table 3

Surface displacement of roadway with different pillar widths.

Coal pillar width/mFloor heave/mmCoal pillar displacement/mmSolid slope displacement/mmRoof subsidence/mm

10457510486270
15399475445238
20324411372185
25276373326156
30249345291143