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THE CORELATION BETWEEN PHYSICAL-MECHANICAL PROPERTIES AND THE CUTTING CHARACTERISTICS IN THE CASE OF UNMINEABLE ROCK FORMATIONS FROM HUSNICIOARA LIGNITE OPEN PIT
Abstract
The performances of the excavation machines depend largely on the tool and overall machine characteristics and on the other hand on physical mechanical characteristics of the excavated rock. There were more theories based on analytical deductions to explain the main cutting parameters on the basis of basic physical mechanical properties of the excavated rock. In this paper we use a new methodology, based on reliable laboratory data, which make possible to obtain correlation and regression formulas in order to predict the cuttability parameters of rock, as the cutting specific resistance and the specific energy consumption, starting from basic physical пїЅmechanical properties of rocks, mainly the unmineable ones.
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References3
. Ozdemir, L. , Comparison of Cutting Efficiencies of Single-Disc, Multi-Disc and Carbide Cutters for Microtunneling Applications, http://www.microtunneling.com/education/Papers/ndsp9505.htm
. Kovacs, I., Iliaș, N., Nan, M.S. – Regimul de lucru al combinelor miniere. Editura Universitas Petroșani, 2000
. Andras I. , Andras A., Dinescu S. On The Correlation Of Cutting Resistance And Physical-Mechanical Properties Of Lignite And Overburden Rocks From Oltenia Coalfield, MultiScience - XXX. microCAD International Multidisciplinary Scientific Conference , University of Miskolc, Hungary, 21-22 April 2016, ISBN 978-963-358- 113-1
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