Prevention and Control Technology of Heavy Mine Pressure Roof Disaster in Goaf Side Roadway of 8107 Working Face
The goaf side roadway is prone to severe deformation due to the influence of mining and advanced abutment pressure.In order to realize the safe mining of goaf side working face,it is necessary to strengthen the support of goaf side roadway.According to the specific situation of 8107 working face,the method of"four beams and six columns"was adopted to advance support the goaf side roadway.The scheme of reinforcement support was analyzed,the construction method of advance support was discussed,and the safety support measures in the mining process were put forward,which can provide certain technical reference for the mining of adjacent open face.
coal mininggoaf side roadwaysupportsafety technology