Impact loading of a hard rock via plastic substance in a drill hole |
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| Authors: | A. M. Petreev P. N. Tambovtsev |
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| Affiliation: | (1) Institute of Mining, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia |
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| Abstract: | Using experimental data as the base, the calculation scheme is developed for estimating the impact energy required for crack generation as against sizes of a drill hole, parameters of a tool, and properties of a rock and a plastic substance applied. __________ Translated from Fiziko-Tekhnicheskie Problemy Razrabotki Poleznykh Iskopaemykh, No. 6, pp. 79–86, November–December, 2006. |
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| Keywords: | Rock drill hole plastic substance tool impact energy crack |
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