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I. S. Dolgii
I. S. Dolgii
Saint Petersburg State Mining Institute (Technical University)
Saint Petersburg State Mining Institute (Technical University)
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Articles

Mining geomechanics
  • Date submitted
    2016-11-01
  • Date published
    2013-05-01

Determination of strength characteristics of concrete with polymer fibro

The results determine the uniaxial compressive strength and the proportional limit for concrete samples with different content and type of polymer fibers.

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D. N. Petrov (2013) Determination of strength characteristics of concrete with polymer fibro. Journal of Mining Institute. Vol 204. p. 236.
Geomechanics
  • Date submitted
    2016-12-05
  • Date published
    2011-02-01

Stress and strain state of strata before and after drainage

Result of numerical modeling of natural in-situ stress formation before and after drainage work is given. Elastic and elastic-plastic material model is used for soil behavior.

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D. N. Petrov (2011) Stress and strain state of strata before and after drainage. Journal of Mining Institute. Vol 190. p. 232.
Problems in geodynamic safety in the exploration of solid deposits
  • Date submitted
    2016-12-13
  • Date published
    2010-04-01

Modeling of the volumetric stress-strain condition of the rock massive in the near mine which are crossing zone of weakening

According to geological data which was received at the Yakovlevsky deposit, the volumetric model was developed. This model taking into consideration the driving of the mine through zone of weakening. During the analysis of the stress-strain condition near the mine the character of distribution and numerical results of tangential and longitudinal stresses have been revealed. The zone of weakening affects to the distribution of stresses and displacements around the mine. To select the parameters of the lining support it is necessary to take into consideration weakenings and contacts in the ore massive and the distance for these zones.

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A. G. Protosenya, D. N. Petrov, M. G. Popov (2010) Modeling of the volumetric stress-strain condition of the rock massive in the near mine which are crossing zone of weakening. Journal of Mining Institute. Vol 188. p. 127.
Problems in geomechanics of technologeneous rock mass
  • Date submitted
    2016-12-21
  • Date published
    2010-01-01

Influence of tectonic stresses and geological disturbances in rock mass on the parameters of stress-strain state around mine workings

The results of mathematical modeling of formation of stress fields in stratified rock mass under various vertical and horizontal stresses relation are presented. An assessment of influence of the presence and position of a great geological disturbance on a stress state around a mine working is considered.

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D. N. Petrov, I. S. Dolgii, V. I. Ochkurov (2010) Influence of tectonic stresses and geological disturbances in rock mass on the parameters of stress-strain state around mine workings. Journal of Mining Institute. Vol 185. p. 132.