Research Article
Long-Term Room and Pillar Mine Production Planning Based on Fuzzy 0-1 Linear Programing and Multicriteria Clustering Algorithm with Uncertainty
| | Parameter | Value |
| | Number of blocks | 115 |
| | Block dimension | 25×25×5 m |
| | Pillar dimension | 8×8×5 m |
| | Planning time | 5 years; 60 months |
| | Number of technological mining cuts | 5 |
| | Metal content of concentrate | |
| | Lead | 70% |
| | Zinc | 50% |
| | Metal recovery rate | |
| | Lead | 95 % |
| | Zinc | 42 % |
| | Mill recovery rate | |
| | Lead | 92 % |
| | Zinc | 80 % |
| | Capital costs ($) | |
| | Capacity of production (t/year)-triangular fuzzy number | |
| | Capacity constraint (t/year) | ± 10% |
| | Fuzzy C-mean clustering-coefficient of fuzzification | 2 |
| | Metal price linguistic variables M=7 | very very low (VVL), very low (VL), low (L), medium (M), high (H), very high (VH), very very high (VVH) |
| | Discount rate-triangular fuzzy number (%) | |
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