Investigation on rock mass stability monitoring system and activity characteristic in deep mining

The monitoring system of rock mass stability and activity characteristic was established using the microseismic monitoring technology in view of the problem that the dynamic disaster of ground pressure was easy to occur in the process of deep mining. The monitoring network was set up according to th...

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Bibliographic Details
Published in:MATEC web of conferences 2022, Vol.356, p.1009
Main Authors: Shi, Feng, Zhang, Da, Wang, Ping, Cai, Yongshun, Yuan, Bensheng
Format: Article
Language:English
Subjects:
Microseisms
Monitoring
Monitoring systems
Rock masses
Seismic activity
Spatial distribution
Stability
Wave velocity
Waveforms
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Summary:The monitoring system of rock mass stability and activity characteristic was established using the microseismic monitoring technology in view of the problem that the dynamic disaster of ground pressure was easy to occur in the process of deep mining. The monitoring network was set up according to the actual characteristics of the mine and the wave velocity was corrected by the method of fixed-point blasting. A monitoring network with a positioning error of 10 m was established finally. The waveform of the monitoring data was picked up and the temporal-spatial evolution characteristics of microseismic events were analyzed, the microseismic events increased greatly and in a high level, the spatial distribution was concentrated highly, the potential dangerous areas were delineated. The research results can provide references for the investigation of rock mass stability monitoring in underground engineering.
ISSN:2261-236X
2274-7214
2261-236X
DOI:10.1051/matecconf/202235601009