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Vol 167 No 1
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Research article

Comparative analysis of methods for determining qualitative characteristics of facing stone of the Karelian Isthmus

A. Ya. Tutakova
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  • Postgraduate student G.V. Plekhanov Saint Petersburg Mining Institute
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The methods of determining decorative properties of facing stone, fracturing and yield of blocks in the deposits of the Karelian Isthmus have been analyzed. The form of representation of a deposit in the catalog illustrating varieties of facing stone of the region is developed. The method of determining the theoretical (predicted) yield of blocks by the equation of dependence of natural blocks yield on the area specific fracturing of steeply falling and inclined fractures, taking into account the losses during the extraction of commercial blocks, is proposed.

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