The South ore-bearing zone of Wushan copper mine is mined with ascending horizontal slicing 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。
The rock movement between the horizontal section of the top coal caving and inclined slicing of the top coal caving was analyzed.
运用相似材料模拟和数值计算的方法,对水平分段和倾斜分层放顶煤开采引起的围岩移动特征进行了比较。
The rock movement between the horizontal section of the top coal caving and inclined slicing of the top coal caving was analyzed.
运用相似材料模拟和数值计算的方法,对水平分段和倾斜分层放顶煤开采引起的围岩移动特征进行了比较。
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