Mining of Mineral Deposits

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ISSN 2415-3435 (Print)

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Selection of gathering autotransport for the systems of cyclical-and-continious technology

A. Glebov1

1The Federal State Budgetary Institution of Science Institute of Mining of the Ural Branch of the Russian Academy of Sciences, Yekaterinburg, Russian Federation

Min. miner. depos. 2017, 11(4):11-18


https://doi.org/10.15407/mining11.04.011

Full text (PDF)


      ABSTRACT

      Purpose. Usage of technological gathering auto transport of the rational unit capacity and maximum level of consumer properties.

      Methods. Optimization of gathering auto transport equipment parameters, as well as rational quantitative and qualitative ratio of transport units in cyclical and continuous technological systems is achieved on the basis of systemic approach.

      Findings. Original techniques have been developed for selecting the model of a haul truck, formation of the truck fleet which will ensure the necessary scope of rock transportation at the admissible cost, determination of economically viable and technically safe lifetime of a haul truck. The research was focused on substantiation of technological schematics for transition to higher road inclinations with less production of overburden rock. The possible areas of using higher road grades have been established.

      Originality. The author has developed a new methodological approach for determining the level of the haul truck consumer properties as the integral index which takes into account technical excellence of the truck design, efficiency of the maintenance system provided by the truck manufacturer during its life, the degree of its serviceability in mining and technical conditions of a specific quarry, and the possibility to reach high technical and economic results while quarrying.

      Practical implications. The conducted research allowed to define the maximum grades for upward and downward transportation of the rock, maximum speed for empty and loaded running at inclination of 30% and less, rational safe parameters of runaway ramps (the width of the roadway and the haulage berm, carriageway shoulder, height of the restraining rock dike etc.). Technologies for building and maintenance of transport runaway ramps are substantiated. A set of measures has been developed for preventing emergencies while driving trucks along steep slopes, during face work, loading-unloading and towing operations in different weather conditions.

      Keywords: cyclical and continuous technology, gathering auto transport, formation of truck fleet, elevated road grades


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