Figure 11

Stress distribution in the stoping tendency direction at the 16,119 working face. OA, EF-Ingerated coal, AB-16209 Goaf, BC, DE-Protective layer mining pressure relief area, CD-Rock pillar stress influence zone
Stress distribution in the stoping tendency direction at the 16,119 working face. OA, EF-Ingerated coal, AB-16209 Goaf, BC, DE-Protective layer mining pressure relief area, CD-Rock pillar stress influence zone