Reasons Analysis and Prevention Measures of Water Bursting From Hidden Subsided Column in Huangcun Branch Coal Mine 10111 Working Face

Through reasons analysis of water bursting from hidden subsided column at 10111 working face in Huangcun Branch of Fenjin Coal Mine, the study implemented a targeted water damage prevention measures, including plugging water bursting point, three-dimensional seismic exploration, ground drilling, underground geophysical exploration, partial grouting which provided a scientific basis for prevention and control of mine water disaster.