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| Pseudoflödesalgoritmen× | Gruvhåloptimering× | |
|---|---|---|
| Ämnesområde | Gruvteknik | Gruvteknik |
| Familj | Process / pipeline | Process / pipeline |
| Ursprungsår≠ | 1992 | 1960 |
| Upphovsperson≠ | Dorit S. Hochbaum | Mining Engineering Practice |
| Typ≠ | Efficient algorithm for maximum closure problem | Optimization framework for underground mine excavation design |
| Ursprungskälla≠ | Hochbaum, D. S. (1992). A new-old algorithm for minimum-cut and maximum-flow problems. Journal of the ACM, 1(1), 76-109. link ↗ | Brady, B. H. G., & Brown, E. T. (2004). Rock mechanics for underground mining. Springer Science+Business Media. link ↗ |
| Alias≠ | Pseudoflow Algorithm, Hochbaum Algorithm | Stope Design, Underground Mine Layout, Panel Design |
| Närliggande | 3 | 3 |
| Sammanfattning≠ | The Pseudoflow Algorithm, developed by Dorit Hochbaum in 1992, is a polynomial-time algorithm for computing maximum weighted closures in directed acyclic graphs. In mining, it solves the ultimate pit limit problem more efficiently than earlier methods. By maintaining feasible pseudoflows and iteratively eliminating negative-cost nodes, it achieves near-optimal practical performance even on industrial-scale block models. | 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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