The South ore-bearing zone of Wushan copper mine is mined with ascending horizontalslicing hydraulic fill crosscut mining system. Roof falling and rib spalling occurred in any times.
武山铜矿南矿带采用上向水平分层进路水砂充填法回采，采场多次发生冒顶、片帮。
2
The rock movement between the horizontal section of the top coal caving and inclined slicing of the top coal caving was analyzed.