Study on protective coal pillar left design method of mine shaft based on solid backfill mining
GUO Shuai
ZHANG Ji-xiong
DENG Xue-jie
HUANG Yan-li
FANG Kun
Keywords：backfill miningprotective coal pillar of mine shaftcompact ratecoal pillar setting method
Publication Date：2015-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)