Geophysical Evaluation of Effectiveness of Blasting for Roof Caving During Longwall Mining of Coal Seam
Sign Up to like & getrecommendations! Published in 2019 at "Pure and Applied Geophysics"
DOI: 10.1007/s00024-019-02321-1
Abstract: Deep longwall mining of coal seams is made in the Upper Silesian Coal Basin (USCB) under complicated and mostly unfavourable geological and mining conditions. Usually, it is correlated with rockburst hazard mostly at a high… read more here.
Keywords: mining coal; longwall face; longwall mining; roof caving ... See more keywords
Stability and control of room mining coal pillars—taking room mining coal pillars of solid backfill recovery as an example
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Central South University"
DOI: 10.1007/s11771-017-3515-8
Abstract: The stability of room mining coal pillars during their secondary mining for recovering coal was analyzed. An analysis was performed for the damage and instability mechanism of coal pillars recovered by the caving mining method.… read more here.
Keywords: mining coal; coal; room mining; coal pillars ... See more keywords
Experimental study and field verification of stability monitoring of gas drainage borehole in mining coal seam
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Petroleum Science and Engineering"
DOI: 10.1016/j.petrol.2020.106985
Abstract: Abstract Gas drainage through boreholes can effectively reduce gas disasters and significantly promote the efficient drainage and clean utilization of gas during mining activities. Gas drainage boreholes will deform and fail as the mining proceeds,… read more here.
Keywords: drainage; mining coal; gas; gas drainage ... See more keywords