Influence of Block Dimension and Equipment Selection on the Final Pit Determination of Small Coal Deposit at Bojan Village, Heenherp District, Vientiane Province, Lao PDR

Keopaseuth Ketumala and Panlop Huttagosol
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Keopaseuth Ketumala: Faculty of Engineering, Chiang Mai University, Chiang Mai, Thailand
Panlop Huttagosol: Faculty of Engineering, Chiang Mai University, Chiang Mai, Thailand

International Journal of Technology and Engineering Studies, 2018, vol. 4, issue 5, 179-188

Abstract: A fundamental aspect in the development of an open pit mining project is the determination of the design of the ultimate pit limits and the respective mineable reserves. Block dimensions including bench width and height and equipment size are some of the influence factors which directly affect the quantity of mineable reserve and the final pit limit. Therefore, the study of these factors was addressed in this paper as a part of mine planning and design of a small coal deposit in Lao PDR through the changes of block dimensions and the use of increasingly larger equipment. Minesight@ 3D software was used to simulate ore body and delineate 3D block model. The work has identied equipment size and evaluated their costs due to the increasing block dimension in order to estimate an economic block value. The spread of results from this study illustrated the varying of mineable reserves and other relevant pit geometry for each scenario of block dimension. Since the use of larger equipment with less unit cost, a larger block dimension produces more mineable reserves and productions, and also generates a wider and deeper pit shell than the small block dimension.

Keywords: Block dimension; equipment size; mineable reserve; final pit limit (search for similar items in EconPapers)
Date: 2018
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Persistent link: https://EconPapers.repec.org/RePEc:apa:ijtess:2018:p:179-188

DOI: 10.20469/ijtes.4.10002-5

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