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Rock Mechanics Study of Shaft Stability and Pillar Mining, Homestake Mine, Lead, SD. (In Three Parts). 2. Mine Measurements and Confirmation of Premining Results
A U.S. Bureau of Mines case study of pillar recovery in high-grade ore near the Ross shaft at the Homestake Mine, Lead, SD, has demonstrated the usefulness of the finite-element method for evaluating shaft pillar mining plans and shaft stability. This report focuses on mine measurements and calibration of the two-dimensional computer model and is the second in a series of three Reports of Investigations describing the Ross shaft study. In this study, borehole extensometers and other instruments were installed to provide data for model verification and to monitor the shaft. Results of the recalibrated two-dimensional model (UTAH2) confirmed the premining stability evaluation.
Rock Mechanics Study of Shaft Stability and Pillar Mining, Homestake Mine, Lead, SD. (In Three Parts). 2. Mine Measurements and Confirmation of Premining Results
A U.S. Bureau of Mines case study of pillar recovery in high-grade ore near the Ross shaft at the Homestake Mine, Lead, SD, has demonstrated the usefulness of the finite-element method for evaluating shaft pillar mining plans and shaft stability. This report focuses on mine measurements and calibration of the two-dimensional computer model and is the second in a series of three Reports of Investigations describing the Ross shaft study. In this study, borehole extensometers and other instruments were installed to provide data for model verification and to monitor the shaft. Results of the recalibrated two-dimensional model (UTAH2) confirmed the premining stability evaluation.
Rock Mechanics Study of Shaft Stability and Pillar Mining, Homestake Mine, Lead, SD. (In Three Parts). 2. Mine Measurements and Confirmation of Premining Results
W. G. Pariseau (author) / J. C. Johnson (author) / M. M. McDonald (author) / M. E. Poad (author)
1995
20 pages
Report
No indication
English
Mineral Industries , Soil & Rock Mechanics , Room and pillar mining , Mine shafts , Underground mining , Rock mechanics , Elastic properties , Mechanical properties , Strength(Mechanics) , Structural analysis , Stability , Yield strength , Safety factors , Calibration , Boreholes , Extensometers , Finite element method , Two dimensional models , Computer models , Homestake Mine , Lead(South Dakota)
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