Analysis on Stability and Underground Pressure Monitoring of Goaf for a Certain Iron Mine

Abstract

Abstract: The STL-12 multi-channel acoustic emission monitoring system is introduced into the mine and the acoustic emission monitoring technology is adopted to real-time monitor the goaf pressure for all day. Then，the reasonable and effective monitoring method is proposed. After analyzing the monitoring data of a whole year，the feature of the acoustic emission waveforms，and the factors and features of the common waveforms when rocks are broken are summarized. It is determined that the goaf is stable at present，and the safety production of the mine can be ensured.

Key words: Acoustic emission, Goaf, Monitoring of underground pressure, Stability

ZHANG Yang, LI Zhan-Jin, LI Shi-Bo, ZHANG Yan-Bo. Analysis on Stability and Underground Pressure Monitoring of Goaf for a Certain Iron Mine[J]. Metal Mine, 2013, 42(03): 128-131.

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Analysis on Stability and Underground Pressure Monitoring of Goaf for a Certain Iron Mine

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