平岗煤矿1202工作面上覆岩层“三带”的判定
Determining the “Three Zones” of Overlying Strata in 1202 Working Face of Pinggang Coal Mine
Received date: 2013-06-17
Revised date: 2013-07-31
Online published: 2013-08-18
朱红青;张民波;申健;王斐然;胡瑞丽 . 平岗煤矿1202工作面上覆岩层“三带”的判定[J]. 科技导报, 2013 , 31(23) : 45 -49 . DOI: 10.3981/j.issn.1000-7857.2013.23.007
Key words: caving zone; fracture zone; numerical simulation; high-level test hole; gas drainage
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