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Yu. N. Ogorodnikov
Yu. N. Ogorodnikov
Saint Petersburg State Mining Institute (Technical University)
Saint Petersburg State Mining Institute (Technical University)
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Articles

Geomechanics
  • Date submitted
    2016-12-05
  • Date published
    2011-02-01

The forecasting of stress condition in the «pillar-working» system in combined action of rock bump and geostatic pressure

The transformation of the stress condition of embedded border diastrophic bloc rock of the «pillar-working» system is considered, in combined action of geostatic tension, lateral and transversal tension wave, generated by rock bump. It is supposed that the tension wave front are parallel to the adjacent strata media discontinuity. Under this condition, in the article the influence of the critical tension levels on the roof and pillar rocks stress condition.

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V. V. Karpenko, Yu. N. Ogorodnikov (2011) The forecasting of stress condition in the «pillar-working» system in combined action of rock bump and geostatic pressure. Journal of Mining Institute. Vol 190. p. 172.
Applied and fundamental research in physics and mathematics
  • Date submitted
    2016-12-14
  • Date published
    2010-03-01

The transformation of zone of potentially dangerous accumulative wrecks in a layeked mining roof when combined effect of the rock pressure and shock stress waves

The transformation of potentially dangerous zone of wrecks accumulation in the layeredroof of the mining system is considered, in the time of combined action of geostatic pressure and tension shok wave. The explosion wave front is suggested to be parallel to the proximate handing roof environs discontinuity. Under this condition in the article is considered the influence of levels of critical stress and the depth of opening location on the change of implicitly dangerous zone of faults accumulation in the layers of the root stone.

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V. V. Karpenko (2010) The transformation of zone of potentially dangerous accumulative wrecks in a layeked mining roof when combined effect of the rock pressure and shock stress waves. Journal of Mining Institute. Vol 187. p. 64.
Applied and fundamental research in physics and mathematics
  • Date submitted
    2016-12-14
  • Date published
    2010-03-01

The estimation of mass velocities in a layered roof and dividing pillars of the mining system in the time of influence of shock stress waves

The mass velocity diagrams transformation in the layered border zone of the mining system in the time of tension explosion waves influence is considered. The explosion wave front is suggested to be parallel to the proximate handing roof environs discontinuity. Under the admitted assumption the mass velocity epures transformation is investigated in the layered roof stone of the mining system and in the dividing pillar.

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V. V. Karpenko, G. A. Kolton (2010) The estimation of mass velocities in a layered roof and dividing pillars of the mining system in the time of influence of shock stress waves. Journal of Mining Institute. Vol 187. p. 70.