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Journal of Mining Science

, Volume 53, Issue 3, pp 478–483 | Cite as

Improvement of Pipe Pushing Method

  • B. B. Danilov
  • A. S. Kondratenko
  • B. N. Smolyanitsky
  • A. S. Smolentsev
Science of Mining Machines

Abstract

In focus is improvement of hole-making technology by vibro hammer pushing with batch-wise removal of soil core while a pipe is driven in soil under impact loading. The important advantage of the technology is the concurrent pipe driving and soil core removal. The minimal air pressure required to separate a core and transport it along the pipe is determined. The frequency of soil core separation and transport during vibro-hammer driving of pipes in soil has been tested in underground construction of utilities. The tests prove the possibility to cut-down time of trenchless construction of underground passages and to raise the level of mechanization of the operations.

Keywords

Hole driving air drill hammer pipe transport soil core piston compressed air pressure 

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Copyright information

© Pleiades Publishing, Ltd. 2017

Authors and Affiliations

  • B. B. Danilov
    • 1
  • A. S. Kondratenko
    • 1
  • B. N. Smolyanitsky
    • 1
  • A. S. Smolentsev
    • 1
  1. 1.Chinakal Institute of Mining, Siberian BranchRussian Academy of SciencesNovosibirskRussia

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