Journal of Mining Science

, Volume 52, Issue 5, pp 866–872 | Cite as

Weak waves under periodic load applied to a packing of glass balls

  • A. P. Bobryakov
  • V. P. Kosykh
  • A. F. Revuzhenko
Geomechanics

Abstract

Based on the tests of packings of calibrated glass balls with a diameter of 1 mm, it is shown that multiple point impacts improve waveguide characteristics of the medium—conducting paths composed of force “chains” emerge in the test material. The further quasi-static alternating shears change the packing of particles, break the chains and reduce conduction. If continued onward, the multiple impulsive loading results in recovery of the “chains” and in better conduction of the paths.

Keywords

Packing of balls granular material dynamic loads stress force “chains,” shears amplitude velocity 

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Copyright information

© Pleiades Publishing, Ltd. 2016

Authors and Affiliations

  • A. P. Bobryakov
    • 1
  • V. P. Kosykh
    • 1
  • A. F. Revuzhenko
    • 1
  1. 1.Chinakal Institute of Mining, Siberian BranchRussian Academy of SciencesNovosibirskRussia

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