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Electrical resistivity measurements to predict abrasion resistance of rock aggregates
Electrochemistry Volume 31 Issue 2 April 2008 pp 179-184
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Permanent link:
https://www.ias.ac.in/article/fulltext/boms/031/02/0179-0184 -
Keywords
LA abrasion loss ;electrical resistivity ;density ;porosity. -
Abstract
The prediction of Los Angeles (LA) abrasion loss from some indirect tests is useful for practical applications. For this purpose, LA abrasion, electrical resistivity, density and porosity tests were carried out on 27 different rock types. LA abrasion loss values were correlated with electrical resistivity and a good correlation between the two parameters was found. To see the effect of rock class on the correlation, regression analysis was repeated for igneous rocks, metamorphic rocks and sedimentary rocks, respectively. It was seen that correlation coefficients were increased for the rock classes. In addition, the data were divided into two groups according to porosity and density, respectively. After repeating regression analysis for these porosity and density groups, stronger correlations were obtained compared to the equation derived for all rocks. The validity of the derived equations was statistically tested and it was shown that all derived equations were significant. Finally, it can be said that all derived equations can alternatively be used for the estimation of LA abrasion loss from electrical resistivity.
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Author Affiliations
- Mining Engineering Department, Nigde University, 51100 Nigde, Turkey
- Geological Engineering Department, Nigde University, 51100 Nigde, Turkey
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Dates
- Published
- April 2008
- Manuscript received
- 26 October 2007
- Manuscript revised
- 11 December 2007
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Bulletin of Materials Science
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