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Numerical Modeling Of "Stiff" Backfill in the Coeur D'Alene Mining District
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Van Eeckhout, Ed (1984). Numerical Modeling Of "Stiff" Backfill in the Coeur D'Alene Mining District. Rock Mechanics in Productivity and Protection ? Proceedings Twenty five Symposium on Rock Mechanics
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Van Eeckhout, Ed (1984). Numerical Modeling Of "Stiff" Backfill in the Coeur D'Alene Mining District. Rock Mechanics in Productivity and Protection ? Proceedings Twenty five Symposium on Rock Mechanics
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Organization: International Conference on Ground Control in Mining
Pages: 14
Publication Date:
Jan 1, 1984
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Abstract
Abstract
| As part of a U.S. Bureau of Mines-sponsored project on the utilization of "stiff' backflll to minimize potential rock burst hazards, a finite element study was undertaken to predict stresses and displacements around a stope mined up from the 5400 level of the Sunshine mine, Kellogg, Idaho. This stope was to be backfilled using a high-modulus fill. In preparation for that configuration, certain instrumentation was installed near the 5400 level to monitor stress changes. Due to untenable economics, only 2 cuts of the stope were ever made. This paper presents the results of the instrument readings taken during the first cut and compares them with the numerical predictions, as well as presents the modeling results of closure and fill stresses in the stope if it had been mined. |
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