Proceedings of the First Southern Hemisphere International Rock Mechanics Symposium 2008
DOI: 10.36487/acg_repo/808_178
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Mine-Scale 3D Stress Model for the New Mine Level Project, El Teniente Mine, Codelco, Chile

Abstract: For the development of the pre-feasibility study for the New Mine Level Project (NML) carried out by Codelco Chile Project Corporate Vice-Presidency, it is fundamental to have numerical models that allow estimating the stress state for the various mining options under study in a quick, simple and reliable manner. For this reason, a simplified mine scale model was created to analyse geomechanical issues that go from drift scale (overbreaking), large excavations (caverns) to mine scale issues (caving front geome… Show more

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Cited by 3 publications
(5 citation statements)
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“…With the calibrated models, it has been possible to estimate the amount of over-break of the different sublevels (Jarufe and Bacco, 2011). Figure 7 shows tonnes of loose rock around the drifts at each sublevel, plotted along the left vertical axis as metres below the UCL where the sublevel is located.…”
Section: Yielding Support Calculation Methodologymentioning
confidence: 99%
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“…With the calibrated models, it has been possible to estimate the amount of over-break of the different sublevels (Jarufe and Bacco, 2011). Figure 7 shows tonnes of loose rock around the drifts at each sublevel, plotted along the left vertical axis as metres below the UCL where the sublevel is located.…”
Section: Yielding Support Calculation Methodologymentioning
confidence: 99%
“… a Solid lines correspond to measured surveys of the mine excavations. These are compared with modelled Map3D strength factor estimation, showed as grey scale contours; b over-break values estimated for different sublevels (Jarufe and Bacco, 2011)…”
Section: Yielding Support Calculation Methodologymentioning
confidence: 99%
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“…Cumulative seismic moment in selected faults at RENO sector 8 a conceptual picture of advanced undercut mining method5 and b simulation of mining geometry considered for numerical modelling…”
mentioning
confidence: 99%