Abstract
Vehicle transport is a dominant type of technological processes in rock mines, and its profitability is strictly dependent on overall cost of exploitation. Rational design of mining transportation system based on haul trucks should result from thorough analysis of technical and economic issues, including both cost of purchase and its further exploitation, having a crucial impact on the cost of minerals extraction. Moreover, haul trucks should be selected with type of payload. In this paper a development of universal family of evaluation criteria as well as application of evaluation method for haul truck and processing system selection process for a specific exploitation conditions in surface mining have been carried out. This methodology presented in the paper is based on the principles of multicriteria optimization using one of method, i.e. APEKS. The result of the research is a universal methodology, and it consequently may be applied in other surface mines with similar exploitation parameters.
Highlights
The vehicle transport is a dominating type of technological transport in rock mines, its profitability is strictly related to the operating costs
A rational choice of transport system using haul trucks should result from a thorough analysis of technical and economic aspects
Haul trucks should be chosen taking into account all significant operational parameters and adapted to specific mining-geological conditions as elements of the transport system together with loading machines
Summary
The vehicle transport is a dominating type of technological transport in rock mines, its profitability is strictly related to the operating costs. Haul trucks should be chosen taking into account all significant operational parameters and adapted to specific mining-geological conditions as elements of the transport system together with loading machines. Considering the above aspects this paper attempts to prepare universal criteria and methods for assessment and selection of means of haul truck transport in surface rock mines [1, 2]. A consistent family of criteria is suggested below, which in as good as possible way characterise the issue of haul trucks selections in a surface rock mine, assuming the planned annual output of around 7 million Mg. In. Addition, when preparing the criteria the issue of appropriate adaptation of the technological system was considered – loading machines (wheel loaders) together with the haul trucks fleet. The criteria originated as a result of previously performed own analyses and can be used to resolve discrete problems of multi-criteria decision making – such as ranking, using a number of optimisation tools
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