Abstract
An electromagnetic radiation (EMR) method associated with rock fracture was employed to study water infusion in rockburst-prone coal strata. Measurements of EMR activity during borehole drilling revealed that a hole nearing a stress peak excites a sharp increase in EMR activity. Water pressure increase/decrease excited EMR activity up to the coal stratum transition to residual stress. An absence of EMR activity during water pressure changes could be a criterion for water infusion performance.
| Original language | English |
|---|---|
| Pages (from-to) | 5-13 |
| Number of pages | 9 |
| Journal | Journal of Applied Geophysics |
| Volume | 43 |
| Issue number | 1 |
| DOIs | |
| State | Published - 1 Jan 2000 |
Keywords
- Coal mining
- Electromagnetic radiation
- Rockburst
- Water infusion
ASJC Scopus subject areas
- Geophysics
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