Optimized Analysis on Vertical Layout Coal Pillar Size in Lower Level Seam

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LIU Xin-jie

WANG Qing

DAI Jin

Keywords：support pressurecoal pillarpressure releasing coefficientconcentration coefficient

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：4( 13-16 )

PKUISTIC

ISSN：1671-0959

Year, Vol.(Issue)：2014,46(3)