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| ストープ区画最適化× | ロックマス・レーティング（RMR）× | |
|---|---|---|
| 分野 | 鉱山工学 | 鉱山工学 |
| 系統 | Process / pipeline | Process / pipeline |
| 提唱年≠ | 1960 | 1973 |
| 提唱者≠ | Mining Engineering Practice | Zbigniew T. Bieniawski |
| 種類≠ | Optimization framework for underground mine excavation design | Empirical classification for geotechnical engineering |
| 原典≠ | Brady, B. H. G., & Brown, E. T. (2004). Rock mechanics for underground mining. Springer Science+Business Media. link ↗ | Bieniawski, Z. T. (1989). Engineering rock mass classifications. John Wiley & Sons. ISBN: 978-0-471-60437-4 |
| 別名 | Stope Design, Underground Mine Layout, Panel Design | RMR, Bieniawski Classification, RMR89 |
| 関連 | 3 | 3 |
| 概要≠ | 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. | 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. |
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