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| Research on Optimization of Acoustic Emission Sensor Arrangement in Goaf |
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Received:October 14, 2017
Revised:October 24, 2017
Accepted:October 26, 2017
Published Online:September 30, 2018
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| DOI： |
| KeyWord:Ground pressure monitoring;Simulation;Acoustic emission;Sensor;Monitoring points |
| Author | Institution |
| LI zhen |
Kunming University of Science and Technology |
| CHEN jun-zhi |
Kunming University of Science and Technology |
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| Abstract: |
| In order to ensure the safety of the production of XinPingLuDdian mine self-iron ore,the acoustic emission monitoring technology is applied to the mine ground pressure monitoring project,the mined areas in the middle of 1530 to 1580 are the main research objects,the partial goaf of the middle section of 1530-1580 was simulated by FLAC3D numerical simulation software,to find out the stress concentration, the safety factor is small, the larger displacement of the dangerous area of the radioactive sound emission monitoring point,then achieving the optimal arrangement of acoustic emission network.After taking into account the scope of the acoustic emission sensor and the susceptibility to external interference factors,the following conclusions are obtained by analysis and calculation:arrange the acoustic emission sensors in the key pillars around these more dangerous areas or the best in the surrounding rock. |
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