DOI: 10.11799/ce201408004
Study on Size of Protective Coal Pillar for Fully Mechanized Top Coal Caving Mining Face in Thick Inclined Seam with Soft Roof, Soft Coal and Soft Floor
LI Jin-gui
Keywords：seam with soft roofsoft coal and soft floorthick seamprotective coal pillar of gatewayplastic zonesupport pressurecoal pillar left
Publication Date：2014-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：3( 12-14 )