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| Classification RMR (Rock Mass Rating)× | Optimisation de la configuration des chantiers souterrains× | |
|---|---|---|
| Domaine | Génie minier | Génie minier |
| Famille | Process / pipeline | Process / pipeline |
| Année d'origine≠ | 1973 | 1960 |
| Auteur d'origine≠ | Zbigniew T. Bieniawski | Mining Engineering Practice |
| Type≠ | Empirical classification for geotechnical engineering | Optimization framework for underground mine excavation design |
| Source fondatrice≠ | Bieniawski, Z. T. (1989). Engineering rock mass classifications. John Wiley & Sons. ISBN: 978-0-471-60437-4 | Brady, B. H. G., & Brown, E. T. (2004). Rock mechanics for underground mining. Springer Science+Business Media. link ↗ |
| Alias | RMR, Bieniawski Classification, RMR89 | Stope Design, Underground Mine Layout, Panel Design |
| Apparentées | 3 | 3 |
| Résumé≠ | The Rock Mass Rating (RMR) system, developed by Zbigniew Bieniawski starting in 1973, is an empirical classification that characterizes rock mass quality and estimates mining and civil engineering behavior. RMR combines five measurable geotechnical parameters into a single index ranging from 0 to 100, where higher values indicate stronger, more stable rock masses. It is the most widely used rock classification system worldwide for underground mining design. | Stope layout optimization is the process of designing the size, shape, and spatial arrangement of underground mine excavations (stopes) to maximize ore recovery while maintaining safety and economic viability. It balances the desire for large extraction volumes against rock mechanics constraints and support costs. The layout determines mining productivity, capital investment in support systems, and long-term mine life. |
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