Procedure of mineral delivery system selection based on economic analysis of alternatives

At the moment, 80% of volume of rock haulage in open pit mining is transported by vehicles, and the motor transport cost reaches 60–65% of overall mining cost and can exceed the mining expenses 3–4 times when open pit depth grows. High operating costs include such cost-intensive components as fuel and oils, tyres, changeable units, road maintenance, etc. The proposed procedure makes it possible to assess alternative systems of mineral haulage from a mine to a consumer based on the economic analysis. The analysis involves calculation of annual expenditures, expense ratio per every haulage alternative, profit margin and net present value per each alternative. The use of these indicators is governed by the fact that they demonstrate the main economic parameters of income and expenditure in planning, construction and functioning of mineral haulage systems. The case-study of the comparison of some mineral haulage systems shows sufficient reliability of the proposed relations, which is confirmed by the calculation results. In the Arctic Zone, with the complex infrastructure and difficult conditions of transportation because of the harsh climate and remoteness of the region, such procedure becomes of a critical nature. The analysis of haulage alternatives in the Arctic conditions can allow the cost optimization and efficiency improvement of transportation, which can exert beneficial effect on performance of a mine being planned and designed.

Egoshin A. M., Afanasyev A. S., Alekseev S. V. Procedure of mineral delivery system selection based on economic analysis of alternatives. MIAB. Mining Inf. Anal. Bull. 2024;(6):135-148. [In Russ]. DOI: 10.25018/0236_1493_2024_6_0_135.

A.M. Egoshin, Dr. Sci. (Eng.), Professor, Saint-Petersburg University of the Ministry of Emergency Situations of Russia, 196105, Saint-Petersburg, Russia, e-mail: al-ego@yandex.ru, ORCID ID: 0000-0003-2025-2590,
A.S. Afanasyev, Cand. Sci. (Mil.), Professor, Empress Catherine II Saint-Petersburg Mining University, 199106, Saint-Petersburg, Russia, e-mail: A.S.Afanasev@mail.ru, ORCID ID: 0000-0002-0272-2387,
S.V. Alekseev, Cand. Sci. (Eng.), Assistant Professor, Peter the Great Saint-Petersburg Polytechnic University, 195251, Saint-Petersburg, Russia, e-mail: alekseev.sv1@spbstu.ru, ORCID ID: 0000-0001-8632-3852.

A.S. Afanasyev, e-mail: A.S.Afanasev@mail.ru.

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