Finding Forces Required to Change Air Hammer Path in Soil


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The authors solve the problem on forces required to change drilling path of air hammers in soil. Soil mass is assumed a rigid–plastic medium with the Mohr–Coulomb yield, and the air hammer deviator is considered as a nondeformable body. The problem is solved in two stages: introduction of the deviator in soil and travel of the air hammer in soil with the rear deviated at a certain angle. The loads applied to the rear, the forces and the moment required to changing the path of an air hammer in soil are calculated.

Sobre autores

B. Danilov

Chinakal Institute of Mining, Siberian Branch

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

B. Smolyanitsky

Chinakal Institute of Mining, Siberian Branch; Siberian State Transport University

Autor responsável pela correspondência
Email: bsmol@misd.ru
Rússia, Krasnyi pr. 54, Novosibirsk, 630091; ul. D. Kovalchuk 191, Novosibirsk, 630049

A. Chanyshev

Chinakal Institute of Mining, Siberian Branch; Novosibirsk State University of Economics and Management

Email: bsmol@misd.ru
Rússia, Krasnyi pr. 54, Novosibirsk, 630091; ul. Kamenskaya 56, Novosibirsk, 630099

D. Cheshchin

Chinakal Institute of Mining, Siberian Branch

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

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