Study on Preset of Safety Coal (Rock) Pillar in Closed Distance Seam Group under Water Body

Home>Articles>Study on Preset of Safety Coal (Rock) Pillar in Closed Distance Seam Group under Water Body

XU Yan-chun

LIU Zhao-xing

ZHANG Qi

LIU-jie

Keywords：closed distance seam groupsafety coal (rock) pillarupper limit of miningpreset of coal (rock) pillar

Publication Date：2013-01-01

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

Pages：4( 1-4 )

PKUISTIC

ISSN：1671-0959

Year, Vol.(Issue)：2013,45(8)