DEVICE FOR SINKING BOREHOLES CURVILINEAR PIERCING METHOD
Keywords:
borehole, pneumatic punch, trenchless technologiesAbstract
This paper presents an overview and analysis of
existing methods of controlling the trajectory of
pneumatic punch. Propose constructive scheme of
the mechanism to change the direction of motion
pneumatic punch. Shows the results of the tests
managed pneumatic punch
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Published
2015-03-31
Issue
Section
NEW METHODS AND INSTRUMENTS IN MINING