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Journal of the Southern African Institute of Mining and Metallurgy
versión On-line ISSN 2411-9717
versión impresa ISSN 2225-6253
Resumen
KAHRAMAN, S.; INCE, I.; ROSTAMI, M. y DIBAVAR, B.. Predicting the strength, density, and porosity of rocks from roll crusher tests. J. S. Afr. Inst. Min. Metall. [online]. 2024, vol.124, n.2, pp.53-57. ISSN 2411-9717. http://dx.doi.org/10.17159/2411-9717/1528/2024.
SYNOPSIS The density, porosity, and strength of rocks are fundamental in the design of geo-engineering projects. Determining these properties requires the preparation of smooth core samples, which is usually impossible for soft rocks. Besides, only fragmented samples may be available in some projects. A method for predicting rock properties from rock particles such as drilling debris would therefore be useful. This study was undertaken to develop prediction equations for compressive strength (UCS), tensile strength (BTS), density, and porosity values from the crushability index (CI) obtained from rock fragments. The results showed that UCS, BTS, density, and porosity were strongly correlated with the CI. The physical characteristics and strength of rocks may be predicted with the help of the derived equations. The CI test is a valuable tool for estimating rock properties in drilling projects and in situations where core specimens are not available.
Palabras clave : crushability index; rock properties; roll crusher.