The evaluation of grain shapes in silica sands from a simple flow test |
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Authors: | G. J. W. King M. Sc. A.C.G.I. E. A. Dickin Ph. D. B. Eng. |
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Affiliation: | (1) University of Liverpool, Liverpool, UK |
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Abstract: | Direct methods of estimating particle shape become lengthy if a truly representative sample of a sand is to be examined and are therefore unsuitable for routine use. Thus indirect methods have been developed in which a bulk property of the material, which is strongly influenced by grain shape, is measured in a standard test. The purpose of the work reported in this paper was to seek a correlation between shape parameters obtained by direct examation of individual grains and those derived from simple bulk tests. This work has resulted in a quick reliable method of estimating grain shapes of natural silica sands from a flow rate test. |
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