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Rock mechanics investigations at the Lucky Friday Mine (in three parts) : 2. Evaluation of underhand backfill practice for rock burst control.
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Published Date:
1992
Series:Language:English -
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Description:"The energy release rate (err) index was used to evaluate three underhand stope backfill parameters--cement content, density, and placement gap--to determine their influence on rock bursts. This index provides a relative measure of the likelihood of rock bursting for a given rock mass. There was no indication that increasing initial fill strength through increased cement content would affect the err." - NIOSHTIC-2 NIOSHTIC no. 10011453
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