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1. The Arenal Deeps mine in Uruguay uses both inclined room and pillar mining and transverse stoping underground. As mining has progressed deeper (down to 320m below ground surface), the geometry and stability assessments of stopes have become more complex. 2. Both empirical and numerical methods were used to assess the stability of a stope roof and adjoining pillar. Empirical methods indicated the need for an intermediate pillar. 3D modeling showed stress concentration in the roof was a key driver of ins

Author

Leon Fourone

Language

EN