董家河煤矿大采深条件下底板破坏深度的实测与模拟分析
苏培莉,谷拴成,李昂
In-situ Measurement and Simulation Study on Failure Depth of Dongjiahe Coal Mine at Big Mining Depth
煤炭工程 . 2014, (4): 93 -95 .  DOI: 10.11799/ce201404032