Research and Application on the Protective Rock Pillar Dimensions for Coal Uncovering at the Tunnel Face in Gas-outburst Prone Tunnels

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Research and Application on the Protective Rock Pillar Dimensions for Coal Uncovering at the Tunnel Face in Gas-outburst Prone Tunnels

WANG Ding, YAN Zhenqian LIU Changwu YUAN Xun ZHAO Chao CHEN Xiaoqiang

Modern Mining . 2025, (10): 46 -50 .