Based on the analysis of the geological conditions of the protective coal pillars in the industrial square, the mine has determined the mining plan, adopted the full caving method to recover the coal pillars in the in...Based on the analysis of the geological conditions of the protective coal pillars in the industrial square, the mine has determined the mining plan, adopted the full caving method to recover the coal pillars in the industrial square, strengthened the observation of shaft deformation on a daily basis, safely recovered the coal resources, prolonged the service life of the mine and ensured the stability of the staff.展开更多
文摘Based on the analysis of the geological conditions of the protective coal pillars in the industrial square, the mine has determined the mining plan, adopted the full caving method to recover the coal pillars in the industrial square, strengthened the observation of shaft deformation on a daily basis, safely recovered the coal resources, prolonged the service life of the mine and ensured the stability of the staff.
