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      Optimization of the loading and hauling fleet at Mamatwan open pit mine

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          Abstract

          The purpose of the study was to investigate the factors which affect the performance of the loading and hauling fleet and also find possible solutions to eliminate these factors, so that the daily tonnages required could be produced .This is due to the high demand of manganese required by clients. The investigation strongly focuses on the performances of the three 777D Caterpillar trucks and the R984 C Liebherr Litronic Hydraulic Excavator. In the content of the study, these machines are used to remove and move the low grade manganese (also known as the top cut overburden) in order to expose the high grade manganese from north pit to dump 4. The objectives of the project were to determine the actual performance of the loading and hauling fleet per shift, compare the actual and the theoretical performance and identify areas that need to be improved. To achieve the goals set for the project, a number of activities were carried out. e Perform a time study to compare the performance of the loading and hauling fleet with the manufacturer specifications e Match the equipments analysis for Loading and hauling e Road conditions analysis e Rolling resistance and Road Gradients analysis e Operating cost analysis.

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          Most cited references10

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          Caterpillar Performance Handbook

          (2001)
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            Mine haul road maintenance management system

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              Minn 3001, Queuing theory-lecture

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                Author and article information

                Contributors
                Role: ND
                Journal
                jsaimm
                Journal of the Southern African Institute of Mining and Metallurgy
                J. S. Afr. Inst. Min. Metall.
                The Southern African Institute of Mining and Metallurgy (Johannesburg, Gauteng, South Africa )
                2225-6253
                2411-9717
                April 2009
                : 109
                : 4
                : 223-232
                Affiliations
                [01] orgnameUniversity of the Witwatersrand orgdiv1Faculty of Engineering and the Built Environment orgdiv2School of Mining Engineering
                Article
                S2225-62532009000400004
                85879827-77ed-45fe-9ad6-c5e2c44784d5

                This work is licensed under a Creative Commons Attribution 4.0 International License.

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                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 8, Pages: 10
                Product

                SciELO South Africa


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