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Journal of Mining and Environment، جلد ۱۶، شماره ۴، صفحات ۱۱۷۹-۱۱۹۳
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عنوان انگلیسی A Profit-based Mixed Integer Programming Model for Stope Boundary Optimization and Implementation in Indian Copper Deposits
چکیده انگلیسی مقاله The optimal layout of the stope (stope boundary) in an underground metal mine maximizes the profit of a deposit, subject to the geotechnical and operational mining constraints such as stope length, stope width, stope height. Various approaches have been introduced to address the stope boundary optimization problem, but due to the computational complexity and numerous practical constraints, the existing models offer partial solutions to the problem. In the present work, a mixed integer programming model has been developed by incorporating mining constraints in a three-dimensional framework.  This model is developed based on profit maximization. The sensitivity analysis applied in a case study mine indicates that the model is efficient in assessing the upside potential and downside risk of profit under fluctuating metal prices and mining costs. Additionally, it can be applied at different stages of mine design to facilitate resource appraisal, selection of stoping methods, and comprehensive mine planning. In a practical application on a real orebody, it shows that the proposed model can generate upto 37.32% more profit compared to current stope design practice in the mines.
کلیدواژه‌های انگلیسی مقاله Underground Mining,block model,integer programming,Constraints,Sensitivity Analysis
نویسندگان مقاله Gopinath Samanta |
Senior Technologist (Mining), Process Technology Group, Tata Steel Limited, Jamshedpur, India,

Tapan Dey |
Data and analytics, TCS, Kolkata 700156, India

Suranjan Sinha |
Department of Mining Engineering, Indian Institute of Engineering, Science & Technology, Shibpur, Howrah

نشانی اینترنتی https://jme.shahroodut.ac.ir/article_3423_9bd161eede5eef7abf0d9f7a6cf12fcc.pdf
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