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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

Andras Iosif, Lazar Maria, Andras Andrei

First published: 2017-06-20https://doi.org/10.5593/sgem2017/13/s03.110View metrics

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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Publication details

Title
THE CORELATION BETWEEN PHYSICAL-MECHANICAL PROPERTIES AND THE CUTTING CHARACTERISTICS IN THE CASE OF UNMINEABLE ROCK FORMATIONS FROM HUSNICIOARA LIGNITE OPEN PIT
Authors
Andras Iosif, Lazar Maria, Andras Andrei
Proceedings
SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 17th International Multidisciplinary Scientific GeoConference SGEM2017, Science and Technologies in Geology, Exploration and Mining
Publisher
STEF92 Technology
Year
2017
Pages
869-876
SWS Citekey
Andras20173869876
ISSN
1314-2704
ISBN
978-619-7105-00-1
Language
en
Publication type
Conference Paper
Keywords
excavationcuttingligniteopen pit
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