摘要
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。为了预报冒落事故，开展了声发射（ＡＥ）现场试验，并在块体分析的基础上布置了ＡＥ监测孔。结果，保证了采矿安全，提高了预报准确率。
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.To predict roof falling,AE field tests have been conducted and AE monitor holes are laid out based on the block analysis.As a result,the degree of prediction accuracy is increased,and mining safety is provided.
出处
《岩石力学与工程学报》
EI
CAS
CSCD
1996年第S1期577-581,共5页
Chinese Journal of Rock Mechanics and Engineering
关键词
冒落
声发射
roof falling,acoustic emission
