下向分层进路式充填采矿法假顶护顶途径探讨

DISCUSSIONS ON PSEUDO-CEILING IN DOWNWARD PILING ACCESS BACK-FILLING MINING METHOD

本文介绍了武山铜矿下向分层进路式充填采矿法概况 ,分析了影响假顶稳定性因素 ,提出了假顶护顶的途径。

This essay introduces downward piling access back-filling mining method used in Wushan Copper Mine, analyses the factors that affect the stability of pseudo-ceilings and puts forward an approach of pseudo-ceiling.