Citation: | LI Ang, GU Shuancheng, CHEN Fangfang. Theoretical analysis and numerical simulation of destroyed depth of coal seam floor during bearing mining: with seam No.5 in Dongjiahe mine, Chenghe mining area, Shaanxi as example[J]. COAL GEOLOGY & EXPLORATION, 2013, 41(4): 56-60. DOI: 10.3969/j.issn.1001-1986.2013.04.014 |