期刊
JOURNAL OF APPLIED GEOPHYSICS
卷 75, 期 2, 页码 338-344出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jappgeo.2011.06.028
关键词
Roadway; Working face; Electromagnetic radiation; Non-contact type; Coal bed pressure
资金
- National Natural Science Foundation of China [4087407]
- Self-research Subject of State Key Laboratory of Coal Resources and Mine Safety [SKLCRSM09X01]
- Jiangsu Blue Project Outstanding Innovative Group
An electromagnetic radiation evaluation method for the relative stress state of coal bed under stress was proposed in this paper. The stress distribution of mine roadway or working face, as well as high stress zone or stress gradient zone, was analyzed by the method. The main advantages of the technique are its characteristics of non-contact, orientability, and regional monitoring. Correlation analysis of electromagnetic radiation with relative stress was carried out in coal mines and tunnels. The results indicate that the electromagnetic radiation technology has a wide application prospect in the evaluation of mine pressure. (C) 2011 Elsevier B.V. All rights reserved.
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