Application of Computer X-Ray Microtomography for Study of Technological Properties of Rocks

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This article presents recent developments in the field of mineralogical analyses based on X-ray computer tomography (CT). The analysis of the data obtained indicates a good repeatability of measurements, and, consequently, the possibility of using the CT method for the purpose of studying rocks during their enrichment, as well as predicting the rock behavior in the process of disintegration. Porosity parameters, particularly void density, according to CT data correlate with rock strength whereas the total porosity, which is determined from the values of mineral density, enables only an indirect estimation of the rock strength and provides no information about size, shape of pores, their connectivity and spatial orientation.

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220-226

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April 2018

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© 2018 Trans Tech Publications Ltd. All Rights Reserved

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[1] O. Popov, H. Lieberwirth, T. Folgner, Quantitative Charakterisierung der Festgesteine zur Prognostizierung des Gesteinseinflusses auf relevante Produkteigenschaften und Systemkenngrößen. Teil 2, Ausgewählte Beispiele. AT Mineral Processing 10 (2014).

Google Scholar

[2] C.W. Willson, N. Lu and W.J. Likos, Quantification of grain, pore and fluid microstructure of unsaturated sand from X-Ray CT images, Geotechnical Testing Journal, Vol. 35, No. 6 (2012).

DOI: 10.1520/gtj20120075

Google Scholar

[3] C.L. Evans, et al. Quantifying mineral grain size distributions for process modelling using X-ray micro-tomography, Miner. Eng. (2015) http://dx.doi.org/10.1016/j.mineng.2015.03.026.

DOI: 10.1016/j.mineng.2015.03.026

Google Scholar

[4] M. Ivanov, G Burlin, E. Kalmykov, Petrophisic research methods of core material (terrigenous deposits) Book 1 (2008) 112 p.

Google Scholar

[5] A. Shtyrlyaeva, A.Zhuravlev, A. Gerasimova, Prospects and problems of computer microtomography using for core samples studies, Oil and gas geology: theory and practice, V.11, N.1 (2016) http://dx.doi.org/10.17353/2070-5379/8_2016.

DOI: 10.17353/2070-5379/8_2016

Google Scholar

[6] L. Vaisberg, , E. Kameneva, Study of physical and mechanical properties of building rock affecting their quality dezintegration and final commercial products, Plaksinskie chtenija, (2013) 7-12.

Google Scholar

[7] S.T. Ho, D.W. Hutmacher, A comparison of micro-CT with other techniques used in the characterization of scaffolds, Biomaterials 27 (2006) 1362–1376.

DOI: 10.1016/j.biomaterials.2005.08.035

Google Scholar

[8] E. Broch, J. A Franklin., The Point-Load Strength Test. Int. J. Rock Mech. Min. Sci. & Geomech. Abstr., Vol. 9 (1972) 669–697.

Google Scholar

[9] N.Brook, The Equivalent core diameter method of size and shape correction in point load testing, Int. J. Rock Mech. Min. Sci. & Geomech. Abstr., Vol. 22 (1985) 61–70.

DOI: 10.1016/0148-9062(85)92328-9

Google Scholar

[10] ISRM – International Society for Rock Mechanics: Suggested method for determining point load strength. Commission on Testing Method. Working Group on Revision of the Point Load Test Method. Int. J. Rock Mech. Min. Sci. & Geomech. Abstr., Vol. 22, No. 2 (1985).

DOI: 10.1016/0148-9062(85)92985-7

Google Scholar

[11] K. Thuro, Drillability in conventional blast drilling. Geological-rock mechanical investigations on the basis of seven selected tunnel projects. Munich Geological Issues, Series B: Applied Geology, B 1, (1996) 1–145, I–XII.

Google Scholar

[12] V. Raaz, Characterization of the rock strength by means of a modified point load test, Geol. Science, 30 Nr. 3 (2002) 213–226.

Google Scholar

[13] N. Brook, The use of irregular specimens for rock strength tests. Int. J. Rock Mech. Min. Sci. & Geomech. Abstr., Vol. 14 (1977) 193–202.

DOI: 10.1016/0148-9062(77)90948-2

Google Scholar

[14] K. T. Chau, R. H. C. Wong,: Unaxial compressive strength and point load strength of rocks. Int. J. Rock Mech. Min. Sci. & Geomech. Abstr., Vol. 33 (1996) 183–188.

DOI: 10.1016/0148-9062(95)00056-9

Google Scholar