The development of seismic-while-mining detection technology in underground coal mines

CHENG Jianyuan; QIN Si; LU Bin; WANG Baoli; WANG Ji; WANG Yunhong

doi:10.3969/j.issn.1001-1986.2019.03.001

Volume 47 Issue 3

Jun. 2019

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COAL GEOLOGY & EXPLORATION > 2019 > 47(3): 1-9. > DOI: 10.3969/j.issn.1001-1986.2019.03.001

CHENG Jianyuan, QIN Si, LU Bin, WANG Baoli, WANG Ji, WANG Yunhong. The development of seismic-while-mining detection technology in underground coal mines[J]. COAL GEOLOGY & EXPLORATION, 2019, 47(3): 1-9. DOI: 10.3969/j.issn.1001-1986.2019.03.001

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The development of seismic-while-mining detection technology in underground coal mines

Xi'an Research Institute Co. Ltd., China Coal Technology and Engineering Group Corp., Xi'an 710077, China

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China Postdoctoral Science Foudation(2012M511967)

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Received Date: January 24, 2019
Published Date: June 24, 2019

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Abstract

Abstract

The explosive source of underground seismic exploration in coal mines is greatly affected by the control of pyrotechnics and cannot realize the monitoring and early warning of dynamic geological disasters in coal mining. Seismic-while-mining(SWM) is a new technique based on shearer as a seismic source underground. The paper reviewed the research status of SWM technique at home and abroad, introduced the SWM's principle and its unique advantages. According to some pilot experiments of SWM, the results show that the shearer can be used as a seismic source because it has the character of strong excitation energy, wide frequency band, safety, green economy and repeatability, etc. The records of the shearer source and the explosive source are similar to each other, but the latter has higher S/N over the former. There is an urgent need of cooperation research in the key technologies such as seismic numerical simulation and big data dynamic processing. Although SWM is still in the experimental research stage, it will become an important means such as three-dimensional dynamic geological modeling for transparent working face, monitoring and warning of mining dynamic geological disaster, etc. This technology represents the development direction of intelligent detection technology of coal mine in the future.
- seismic-while-mining(SWM),
- vibroseis,
- shearer source,
- big data of SWM,
- smart mining

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