Floor fracture evolution and relief gas drainage timeliness in deeper underground short-distance upper protective coal seam extraction

WANG Wei; CHENG Yuan-ping; YUAN Liang; CHEN Rong-zhu; WANG Hai-feng; DU Kai

doi:10.13225/j.cnki.jccs.2015.9018

Home>Articles>Floor fracture evolution and relief gas drainage timeliness in deeper underground short-distance upper protective coal seam extraction

DOI: 10.13225/j.cnki.jccs.2015.9018

Floor fracture evolution and relief gas drainage timeliness in deeper underground short-distance upper protective coal seam extraction

WANG Wei

CHENG Yuan-ping

YUAN Liang

CHEN Rong-zhu

WANG Hai-feng

DU Kai

Keywords：short-distance upper protective seamfracture gas channelpressure relived & permeability enhanced areagas drainage timeliness3 Dimensional distinct element

Publication Date：2016-01-01

Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)

Journal of China Coal Society

PKUISTICEI

ISSN：0253-9993

Year, Vol.(Issue)：2016,41(1)