Laboratory measurement of fragmented ore bulk density using ground penetrating radar

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Abstract

The need to identify oversized fragments in underground mining operations is discussed. The relationship between relative permittivity and bulk density is examined using established mixture models. A method of measuring the relative permittivity of ore in an industrial context is presented using a two channel Ground Penetrating Radar system in a trans-illumination arrangement. This method also provides a solution to the problem of time zero drift which affects spatially and/or temporally separated antennas. Results of experiments using sifted samples of fragmented ore show there is a relationship between bulk density and relative permittivity for fragmented ore.
Original languageEnglish
Pages (from-to)250-255
Number of pages6
JournalTransactions of the Institution of Mining and Metallurgy, Section A: Mining Technology
Volume122
Issue number4
DOIs
Publication statusPublished - Dec 2013

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