Preventing roof fall fatalities during pillar recovery: A ground control success story
نویسندگان
چکیده
منابع مشابه
Geotechnical considerations for concurrent pillar recovery in close-distance multiple seams
Room-and-pillar mining with pillar recovery has historically been associated with more than 25% of all ground fall fatalities in underground coal mines in the United States. The risk of ground falls during pillar recovery increases in multiple-seam mining conditions. The hazards associated with pillar recovery in multiple-seam mining include roof cutters, roof falls, rib rolls, coal outbursts, ...
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ژورنال
عنوان ژورنال: International Journal of Mining Science and Technology
سال: 2017
ISSN: 2095-2686
DOI: 10.1016/j.ijmst.2016.09.030