蚀变带内矿体开采中人工假底的应用研究
宋恩祥,李强,张静,彭康

Research and Application of Artificial False Bottom in Mining of Orebody in Alteration Zone
Enxiang SONG,Qiang LI,Jing ZHANG,Kang PENG
图3 进路薄“板”的“软支弱板”结构破坏形式
Fig.3 Destructive form of the “soft-supported and weak plate” structure of the thin “plate” in the approach