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International Journal of Mining and Geo-Engineering، جلد ۵۸، شماره ۱، صفحات ۱۰۵-۱۱۱
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عنوان انگلیسی Delimitation of the final pit of open-pit mines using the maximum flow Pseudoflow method
چکیده انگلیسی مقاله The primary aim of this study was to define the final pit boundaries utilizing the maximum flow Pseudoflow method in an open-pit mining context. Our methodology encompassed exploratory data analysis (EDA), establishing geomechanical and economic factors, and assessing the final pit. The study was conducted using Python 3.11 and SGeMS 3.0. We discovered that our block model comprised 480,000 blocks of 10x10x10 m dimensions. We generated 20 pits with revenue factors between 0.1 to 2, increasing by increments of 0.1. The Study indicated that pit 20 was optimal, with an estimated NPV of 17855 MUSD, extracting 212 million tons of ore and 58 million tons of waste rock, achieving a stripping ratio based on block model and market conditions, and is subject to change with further block sequencing analysis. Nevertheless, pit 20 emerged as the most advantageous when considering economic feasibility, given its high estimated NPV and favorable stripping ratio.
کلیدواژه‌های انگلیسی مقاله Final pit, estimated NPV, Pit, pseudoflow, stripping ratio
نویسندگان مقاله Jairo Jhonatan Marquina Araujo |
Department of Mining Engineering, Faculty of Engineering, National University of Trujillo, Trujillo, Peru.

Marco Antonio Cotrina Teatino |
Department of Mining Engineering, Faculty of Engineering, National University of Trujillo, Trujillo, Peru.

Eduardo Manuel Noriega Vidal |
Department of Mining Engineering, Faculty of Engineering, National University of Trujillo, Trujillo, Peru.

José Néstor Mamani Quispe |
Faculty of Chemical Engineering, National University of the Altiplano, Puno, Perú

نشانی اینترنتی https://ijmge.ut.ac.ir/article_95464_503c4f979192744439663dfea4e44248.pdf
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