UP-TO-DATE METHODS AIMED AT OPTIMUM MINING TECHNOLOGY SELECTION IN LIGNITE OPEN-PITS FROM THE ROMANIAN „OLTENIA” BASIN
11th International Multidisciplinary Scientific GeoConference SGEM2011, www.sgem.org, SGEM2011 Conference Proceedings/ ISSN 1314-2704, June 20-25, 2011, Vol. 1, 1047-1050 pp
Within the lignite deposits located in the Oltenia coal basin, frequent sand bands are
emerging, carriers of significant aquiferous horizons and complexes. The geological
pattern induces an important variation of hydro-geological conditions along the
deposit’s spreading, which in turn gives difficulties in mining technology selection.
Determining the problem’s solution involves the versions ranking from the strongest to
the weakest, in relation to all the criteria. Both maximum and minimum criteria can
exist. In order to achieve a ranking output, magnitude coefficients were assigned to each
criterion. With a view to decrease the subjective character of the selection, the criteria
are homogenized, employing a normalization process.
Keywords: optimum, mining, open-pit, lignite, Romania.
PAPER 2011/s03.153: UP-TO-DATE METHODS AIMED AT OPTIMUM MINING TECHNOLOGY SELECTION IN LIGNITE OPEN-PITS FROM THE ROMANIAN "OLTENIA" BASIN
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