The 9th International Conference on Energy, Resources, Environment and Sustainable Development (ERESD 2022)

ABSTRACT：Close coal seam coal seam mining under the supporting problem is close distance coal seam group mining technology research, the selection of reasonable support parameters and the establishment of supporting system is the close distance coal seam under the control of surrounding rock of coal seam mining are the key, because of general layout of roadway in coal seam, can cause the decrease of strength of surrounding rock, roadway maintenance difficulties and other issues, At the same time, the roof of the lower coal seam has been damaged due to the influence of the mining of the upper coal seam in the near distance, which increases the difficulty of surrounding rock control in the mining roadway of the lower coal seam. In this paper, shanxi Jinhuilongtai Coal Industry Co., LTD. 10 under the coal seam mining roadway support problem is studied, through the analysis of goaf under the roadway surrounding rock failure characteristics, broken surrounding rock roadway support form, according to shanxi Jinhuilongtai Coal Industry Co., LTD., the site production geological conditions select the appropriate roadway support mode, Then according to the calculation of roadway support parameters and then select reasonable 10 coal seam mining roadway support parameters, and finally realize the safe and efficient support system of mining roadway.