Optimization Analysis of Medium- to Long-Term Ore Drawing Schedule Based on MIP in Block Cave Mining

The mining drawing schedule is related to the safety, environment and ground pressure control of mine production, and is of great significance for controlling the economic indicators of mine operation in block cave mining. The mixed integer programming (MIP) method has been proved to be very effecti...

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Vydáno v:Journal of mining science Ročník 61; číslo 3; s. 429 - 441
Hlavní autoři: Ren, Zhu-li, Yuan, Rui-fu, Wang, Li-guan, Du, Feng, Deng, Haokun
Médium: Journal Article
Jazyk:angličtina
Vydáno: Moscow Pleiades Publishing 01.06.2025
Springer Nature B.V
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ISSN:1062-7391, 1573-8736
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Shrnutí:The mining drawing schedule is related to the safety, environment and ground pressure control of mine production, and is of great significance for controlling the economic indicators of mine operation in block cave mining. The mixed integer programming (MIP) method has been proved to be very effective in solving the medium- to long-term drawing sequence optimization problem in mines. The amount of ore, three kinds of the draw points priority order with diamond undercutting mode, and the logical relationship are considered as constraints based on the value model of ore–rock mixing. The maximizing net present value of the mining operation is used as objective function. Application and analysis of the model is solved using CPLEX, MATLAB, and YALMIP for a specific Chinese copper mine using 770 drawpoints over 7-year (28-quarter) periods.
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ISSN:1062-7391
1573-8736
DOI:10.1134/S106273912503010X