DOI: 10.11799/ce201706020
Floor water disaster prevention in underground coal minetechnology based on directional borehole
LIU Jian-lin
Abstract：In view of the limitations of conventional borehole grouting reinforcement,this paper proposed a method of water disaster prevention and control using directional drilling in coal seam floor,and studied the borehole design,borehole construction and borehole grouting technology.The technology was applied in Zhaogu No.1 Coal Mine Jiaozuo Henan,the results show that the design was reasonable,the drilling construction went well,and the grouting effect was remarkable,which ensured the safe mining of working face.The water disaster from coal seam floor can be prevented and controlled in advance through directional borehole grouting.
Keywords：directional boreholefloor water inrushborehole designdrilling technologygrouting technology
Publication Date：2017-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：4( 68-71 )