Quantitative estimate of rotary–percussion drilling efficiency in rocks


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The factors that have significant influence on efficiency of rotary–percussion rock drilling with downhole machines are discussed. The results obtained in physical simulation of dynamic driving of rock-breaking indenters in rocks are reported. The results are analyzed from the standpoint of the phenomenon of alternating response of rocks to dynamic impacts.

Sobre autores

V. Oparin

Chinakal Institute of Mining, Siberian Branch

Autor responsável pela correspondência
Email: oparin@misd.ru
Rússia, Krasnyi pr. 54, Novosibirsk, 630091

V. Timonin

Chinakal Institute of Mining, Siberian Branch

Email: oparin@misd.ru
Rússia, Krasnyi pr. 54, Novosibirsk, 630091

V. Karpov

Chinakal Institute of Mining, Siberian Branch

Email: oparin@misd.ru
Rússia, Krasnyi pr. 54, Novosibirsk, 630091

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