Column Generation for Mining Cut Definition with Geometallurgical Interactions
Abstract This work presents a novel approach to solve the mining cut definition problem with geometallurgical interactions in short-term mine planning for open-pit operations. Mining cut definition deals with the aggregation of blocks into clusters which are extracted and processed as a single unit....
Ausführliche Beschreibung
Autor*in: |
Nelis, Gonzalo [verfasserIn] |
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E-Artikel |
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Sprache: |
Englisch |
Erschienen: |
2021 |
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Schlagwörter: |
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Anmerkung: |
© International Association for Mathematical Geosciences 2021 |
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Übergeordnetes Werk: |
Enthalten in: Natural resources research - New York, NY [u.a.] : Springer Science + Business Media B.V., 1992, 31(2021), 1 vom: 25. Nov., Seite 131-148 |
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Übergeordnetes Werk: |
volume:31 ; year:2021 ; number:1 ; day:25 ; month:11 ; pages:131-148 |
Links: |
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DOI / URN: |
10.1007/s11053-021-09976-5 |
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Katalog-ID: |
SPR046298622 |
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520 | |a Abstract This work presents a novel approach to solve the mining cut definition problem with geometallurgical interactions in short-term mine planning for open-pit operations. Mining cut definition deals with the aggregation of blocks into clusters which are extracted and processed as a single unit. The aggregation must fulfill operational considerations given by the loading equipment selectivity and should maximize the objectives given by the mine operation. The proposed approach utilizes mixed integer programming and a model inspired by column generation that, contrary to previous works, has its decision variables defined directly on the set of all feasible cuts. The advantage of this is that the model does not require linear approximations of the geometallurgical behavior of the cuts based on the blocks it contains and, therefore, can utilize any nonlinear function. An industry-sized dataset is used to show that the model can be solved in reasonable time. Also, the results show that nonlinear recovery functions influence the destination policy and expected profit. Therefore, following the traditional free selection policy (based on cutoff grade) is not the best strategy when geometallurgical interactions are considered. | ||
650 | 4 | |a Dig limit |7 (dpeaa)DE-He213 | |
650 | 4 | |a Mining cuts |7 (dpeaa)DE-He213 | |
650 | 4 | |a Geometallurgy |7 (dpeaa)DE-He213 | |
650 | 4 | |a Column generation |7 (dpeaa)DE-He213 | |
650 | 4 | |a Mine planning |7 (dpeaa)DE-He213 | |
650 | 4 | |a Short-term planning |7 (dpeaa)DE-He213 | |
700 | 1 | |a Meunier, Frédéric |4 aut | |
700 | 1 | |a Morales, Nelson |4 aut | |
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10.1007/s11053-021-09976-5 doi (DE-627)SPR046298622 (SPR)s11053-021-09976-5-e DE-627 ger DE-627 rakwb eng Nelis, Gonzalo verfasserin (orcid)0000-0003-0844-0003 aut Column Generation for Mining Cut Definition with Geometallurgical Interactions 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © International Association for Mathematical Geosciences 2021 Abstract This work presents a novel approach to solve the mining cut definition problem with geometallurgical interactions in short-term mine planning for open-pit operations. Mining cut definition deals with the aggregation of blocks into clusters which are extracted and processed as a single unit. The aggregation must fulfill operational considerations given by the loading equipment selectivity and should maximize the objectives given by the mine operation. The proposed approach utilizes mixed integer programming and a model inspired by column generation that, contrary to previous works, has its decision variables defined directly on the set of all feasible cuts. The advantage of this is that the model does not require linear approximations of the geometallurgical behavior of the cuts based on the blocks it contains and, therefore, can utilize any nonlinear function. An industry-sized dataset is used to show that the model can be solved in reasonable time. Also, the results show that nonlinear recovery functions influence the destination policy and expected profit. Therefore, following the traditional free selection policy (based on cutoff grade) is not the best strategy when geometallurgical interactions are considered. Dig limit (dpeaa)DE-He213 Mining cuts (dpeaa)DE-He213 Geometallurgy (dpeaa)DE-He213 Column generation (dpeaa)DE-He213 Mine planning (dpeaa)DE-He213 Short-term planning (dpeaa)DE-He213 Meunier, Frédéric aut Morales, Nelson aut Enthalten in Natural resources research New York, NY [u.a.] : Springer Science + Business Media B.V., 1992 31(2021), 1 vom: 25. Nov., Seite 131-148 (DE-627)320587622 (DE-600)2018487-6 1573-8981 nnns volume:31 year:2021 number:1 day:25 month:11 pages:131-148 https://dx.doi.org/10.1007/s11053-021-09976-5 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 31 2021 1 25 11 131-148 |
spelling |
10.1007/s11053-021-09976-5 doi (DE-627)SPR046298622 (SPR)s11053-021-09976-5-e DE-627 ger DE-627 rakwb eng Nelis, Gonzalo verfasserin (orcid)0000-0003-0844-0003 aut Column Generation for Mining Cut Definition with Geometallurgical Interactions 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © International Association for Mathematical Geosciences 2021 Abstract This work presents a novel approach to solve the mining cut definition problem with geometallurgical interactions in short-term mine planning for open-pit operations. Mining cut definition deals with the aggregation of blocks into clusters which are extracted and processed as a single unit. The aggregation must fulfill operational considerations given by the loading equipment selectivity and should maximize the objectives given by the mine operation. The proposed approach utilizes mixed integer programming and a model inspired by column generation that, contrary to previous works, has its decision variables defined directly on the set of all feasible cuts. The advantage of this is that the model does not require linear approximations of the geometallurgical behavior of the cuts based on the blocks it contains and, therefore, can utilize any nonlinear function. An industry-sized dataset is used to show that the model can be solved in reasonable time. Also, the results show that nonlinear recovery functions influence the destination policy and expected profit. Therefore, following the traditional free selection policy (based on cutoff grade) is not the best strategy when geometallurgical interactions are considered. Dig limit (dpeaa)DE-He213 Mining cuts (dpeaa)DE-He213 Geometallurgy (dpeaa)DE-He213 Column generation (dpeaa)DE-He213 Mine planning (dpeaa)DE-He213 Short-term planning (dpeaa)DE-He213 Meunier, Frédéric aut Morales, Nelson aut Enthalten in Natural resources research New York, NY [u.a.] : Springer Science + Business Media B.V., 1992 31(2021), 1 vom: 25. Nov., Seite 131-148 (DE-627)320587622 (DE-600)2018487-6 1573-8981 nnns volume:31 year:2021 number:1 day:25 month:11 pages:131-148 https://dx.doi.org/10.1007/s11053-021-09976-5 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 31 2021 1 25 11 131-148 |
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10.1007/s11053-021-09976-5 doi (DE-627)SPR046298622 (SPR)s11053-021-09976-5-e DE-627 ger DE-627 rakwb eng Nelis, Gonzalo verfasserin (orcid)0000-0003-0844-0003 aut Column Generation for Mining Cut Definition with Geometallurgical Interactions 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © International Association for Mathematical Geosciences 2021 Abstract This work presents a novel approach to solve the mining cut definition problem with geometallurgical interactions in short-term mine planning for open-pit operations. Mining cut definition deals with the aggregation of blocks into clusters which are extracted and processed as a single unit. The aggregation must fulfill operational considerations given by the loading equipment selectivity and should maximize the objectives given by the mine operation. The proposed approach utilizes mixed integer programming and a model inspired by column generation that, contrary to previous works, has its decision variables defined directly on the set of all feasible cuts. The advantage of this is that the model does not require linear approximations of the geometallurgical behavior of the cuts based on the blocks it contains and, therefore, can utilize any nonlinear function. An industry-sized dataset is used to show that the model can be solved in reasonable time. Also, the results show that nonlinear recovery functions influence the destination policy and expected profit. Therefore, following the traditional free selection policy (based on cutoff grade) is not the best strategy when geometallurgical interactions are considered. Dig limit (dpeaa)DE-He213 Mining cuts (dpeaa)DE-He213 Geometallurgy (dpeaa)DE-He213 Column generation (dpeaa)DE-He213 Mine planning (dpeaa)DE-He213 Short-term planning (dpeaa)DE-He213 Meunier, Frédéric aut Morales, Nelson aut Enthalten in Natural resources research New York, NY [u.a.] : Springer Science + Business Media B.V., 1992 31(2021), 1 vom: 25. Nov., Seite 131-148 (DE-627)320587622 (DE-600)2018487-6 1573-8981 nnns volume:31 year:2021 number:1 day:25 month:11 pages:131-148 https://dx.doi.org/10.1007/s11053-021-09976-5 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 31 2021 1 25 11 131-148 |
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10.1007/s11053-021-09976-5 doi (DE-627)SPR046298622 (SPR)s11053-021-09976-5-e DE-627 ger DE-627 rakwb eng Nelis, Gonzalo verfasserin (orcid)0000-0003-0844-0003 aut Column Generation for Mining Cut Definition with Geometallurgical Interactions 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © International Association for Mathematical Geosciences 2021 Abstract This work presents a novel approach to solve the mining cut definition problem with geometallurgical interactions in short-term mine planning for open-pit operations. Mining cut definition deals with the aggregation of blocks into clusters which are extracted and processed as a single unit. The aggregation must fulfill operational considerations given by the loading equipment selectivity and should maximize the objectives given by the mine operation. The proposed approach utilizes mixed integer programming and a model inspired by column generation that, contrary to previous works, has its decision variables defined directly on the set of all feasible cuts. The advantage of this is that the model does not require linear approximations of the geometallurgical behavior of the cuts based on the blocks it contains and, therefore, can utilize any nonlinear function. An industry-sized dataset is used to show that the model can be solved in reasonable time. Also, the results show that nonlinear recovery functions influence the destination policy and expected profit. Therefore, following the traditional free selection policy (based on cutoff grade) is not the best strategy when geometallurgical interactions are considered. Dig limit (dpeaa)DE-He213 Mining cuts (dpeaa)DE-He213 Geometallurgy (dpeaa)DE-He213 Column generation (dpeaa)DE-He213 Mine planning (dpeaa)DE-He213 Short-term planning (dpeaa)DE-He213 Meunier, Frédéric aut Morales, Nelson aut Enthalten in Natural resources research New York, NY [u.a.] : Springer Science + Business Media B.V., 1992 31(2021), 1 vom: 25. Nov., Seite 131-148 (DE-627)320587622 (DE-600)2018487-6 1573-8981 nnns volume:31 year:2021 number:1 day:25 month:11 pages:131-148 https://dx.doi.org/10.1007/s11053-021-09976-5 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 31 2021 1 25 11 131-148 |
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Nelis, Gonzalo |
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Nelis, Gonzalo misc Dig limit misc Mining cuts misc Geometallurgy misc Column generation misc Mine planning misc Short-term planning Column Generation for Mining Cut Definition with Geometallurgical Interactions |
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Column Generation for Mining Cut Definition with Geometallurgical Interactions Dig limit (dpeaa)DE-He213 Mining cuts (dpeaa)DE-He213 Geometallurgy (dpeaa)DE-He213 Column generation (dpeaa)DE-He213 Mine planning (dpeaa)DE-He213 Short-term planning (dpeaa)DE-He213 |
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misc Dig limit misc Mining cuts misc Geometallurgy misc Column generation misc Mine planning misc Short-term planning |
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Column Generation for Mining Cut Definition with Geometallurgical Interactions |
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Column Generation for Mining Cut Definition with Geometallurgical Interactions |
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column generation for mining cut definition with geometallurgical interactions |
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Column Generation for Mining Cut Definition with Geometallurgical Interactions |
abstract |
Abstract This work presents a novel approach to solve the mining cut definition problem with geometallurgical interactions in short-term mine planning for open-pit operations. Mining cut definition deals with the aggregation of blocks into clusters which are extracted and processed as a single unit. The aggregation must fulfill operational considerations given by the loading equipment selectivity and should maximize the objectives given by the mine operation. The proposed approach utilizes mixed integer programming and a model inspired by column generation that, contrary to previous works, has its decision variables defined directly on the set of all feasible cuts. The advantage of this is that the model does not require linear approximations of the geometallurgical behavior of the cuts based on the blocks it contains and, therefore, can utilize any nonlinear function. An industry-sized dataset is used to show that the model can be solved in reasonable time. Also, the results show that nonlinear recovery functions influence the destination policy and expected profit. Therefore, following the traditional free selection policy (based on cutoff grade) is not the best strategy when geometallurgical interactions are considered. © International Association for Mathematical Geosciences 2021 |
abstractGer |
Abstract This work presents a novel approach to solve the mining cut definition problem with geometallurgical interactions in short-term mine planning for open-pit operations. Mining cut definition deals with the aggregation of blocks into clusters which are extracted and processed as a single unit. The aggregation must fulfill operational considerations given by the loading equipment selectivity and should maximize the objectives given by the mine operation. The proposed approach utilizes mixed integer programming and a model inspired by column generation that, contrary to previous works, has its decision variables defined directly on the set of all feasible cuts. The advantage of this is that the model does not require linear approximations of the geometallurgical behavior of the cuts based on the blocks it contains and, therefore, can utilize any nonlinear function. An industry-sized dataset is used to show that the model can be solved in reasonable time. Also, the results show that nonlinear recovery functions influence the destination policy and expected profit. Therefore, following the traditional free selection policy (based on cutoff grade) is not the best strategy when geometallurgical interactions are considered. © International Association for Mathematical Geosciences 2021 |
abstract_unstemmed |
Abstract This work presents a novel approach to solve the mining cut definition problem with geometallurgical interactions in short-term mine planning for open-pit operations. Mining cut definition deals with the aggregation of blocks into clusters which are extracted and processed as a single unit. The aggregation must fulfill operational considerations given by the loading equipment selectivity and should maximize the objectives given by the mine operation. The proposed approach utilizes mixed integer programming and a model inspired by column generation that, contrary to previous works, has its decision variables defined directly on the set of all feasible cuts. The advantage of this is that the model does not require linear approximations of the geometallurgical behavior of the cuts based on the blocks it contains and, therefore, can utilize any nonlinear function. An industry-sized dataset is used to show that the model can be solved in reasonable time. Also, the results show that nonlinear recovery functions influence the destination policy and expected profit. Therefore, following the traditional free selection policy (based on cutoff grade) is not the best strategy when geometallurgical interactions are considered. © International Association for Mathematical Geosciences 2021 |
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Column Generation for Mining Cut Definition with Geometallurgical Interactions |
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<?xml version="1.0" encoding="UTF-8"?><collection xmlns="http://www.loc.gov/MARC21/slim"><record><leader>01000caa a22002652 4500</leader><controlfield tag="001">SPR046298622</controlfield><controlfield tag="003">DE-627</controlfield><controlfield tag="005">20230507113359.0</controlfield><controlfield tag="007">cr uuu---uuuuu</controlfield><controlfield tag="008">220222s2021 xx |||||o 00| ||eng c</controlfield><datafield tag="024" ind1="7" ind2=" "><subfield code="a">10.1007/s11053-021-09976-5</subfield><subfield code="2">doi</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(DE-627)SPR046298622</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(SPR)s11053-021-09976-5-e</subfield></datafield><datafield tag="040" ind1=" " ind2=" "><subfield code="a">DE-627</subfield><subfield code="b">ger</subfield><subfield code="c">DE-627</subfield><subfield code="e">rakwb</subfield></datafield><datafield tag="041" ind1=" " ind2=" "><subfield code="a">eng</subfield></datafield><datafield tag="100" ind1="1" ind2=" "><subfield code="a">Nelis, Gonzalo</subfield><subfield code="e">verfasserin</subfield><subfield code="0">(orcid)0000-0003-0844-0003</subfield><subfield code="4">aut</subfield></datafield><datafield tag="245" ind1="1" ind2="0"><subfield code="a">Column Generation for Mining Cut Definition with Geometallurgical Interactions</subfield></datafield><datafield tag="264" ind1=" " ind2="1"><subfield code="c">2021</subfield></datafield><datafield tag="336" ind1=" " ind2=" "><subfield code="a">Text</subfield><subfield code="b">txt</subfield><subfield code="2">rdacontent</subfield></datafield><datafield tag="337" ind1=" " ind2=" "><subfield code="a">Computermedien</subfield><subfield code="b">c</subfield><subfield code="2">rdamedia</subfield></datafield><datafield tag="338" ind1=" " ind2=" "><subfield code="a">Online-Ressource</subfield><subfield code="b">cr</subfield><subfield code="2">rdacarrier</subfield></datafield><datafield tag="500" ind1=" " ind2=" "><subfield code="a">© International Association for Mathematical Geosciences 2021</subfield></datafield><datafield tag="520" ind1=" " ind2=" "><subfield code="a">Abstract This work presents a novel approach to solve the mining cut definition problem with geometallurgical interactions in short-term mine planning for open-pit operations. Mining cut definition deals with the aggregation of blocks into clusters which are extracted and processed as a single unit. The aggregation must fulfill operational considerations given by the loading equipment selectivity and should maximize the objectives given by the mine operation. The proposed approach utilizes mixed integer programming and a model inspired by column generation that, contrary to previous works, has its decision variables defined directly on the set of all feasible cuts. The advantage of this is that the model does not require linear approximations of the geometallurgical behavior of the cuts based on the blocks it contains and, therefore, can utilize any nonlinear function. An industry-sized dataset is used to show that the model can be solved in reasonable time. Also, the results show that nonlinear recovery functions influence the destination policy and expected profit. Therefore, following the traditional free selection policy (based on cutoff grade) is not the best strategy when geometallurgical interactions are considered.</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Dig limit</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Mining cuts</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Geometallurgy</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Column generation</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Mine planning</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Short-term planning</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Meunier, Frédéric</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Morales, Nelson</subfield><subfield code="4">aut</subfield></datafield><datafield tag="773" ind1="0" ind2="8"><subfield code="i">Enthalten in</subfield><subfield code="t">Natural resources research</subfield><subfield code="d">New York, NY [u.a.] : Springer Science + Business Media B.V., 1992</subfield><subfield code="g">31(2021), 1 vom: 25. 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