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D. Yu. Dorzhiev
D. Yu. Dorzhiev
Saint Petersburg State Mining Institute (Technical University)
Saint Petersburg State Mining Institute (Technical University)
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Articles

Geomechanics, geodesy, mine surveying and cadastre
  • Date submitted
    2016-12-08
  • Date published
    2011-01-01

Selection of parameters camouflet blasting to reduce bump hazard by development uranium deposits

Simulation-based by the finite element values obtained stress strain state around the stope ore as ore body downstream horizontal layers with a mined-out space. The results of the simulation allowed to substantiate a contained blasting parameters to bring pillar to anti bump hazard state.

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D. Yu. Dozhriev (2011) Selection of parameters camouflet blasting to reduce bump hazard by development uranium deposits. Journal of Mining Institute. Vol 189. p. 210.
Geomechanics, geodesy, mine surveying and cadastre
  • Date submitted
    2016-12-08
  • Date published
    2011-01-01

Substantiation of way unloading pillar in tectonically fractured massif

Simulation-based finite element method of forming the features of the stress-strain state in pillar at the ore body downstream horizontal layers with a mined-out space. The obtained regularities of redistribution of stresses in pillar and surrounding rock massif are allowed to substantiate an effective way to reduce the bump hazard in mining  operations.

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A. G. Protosenya, D. Yu. Dorzhiev (2011) Substantiation of way unloading pillar in tectonically fractured massif. Journal of Mining Institute. Vol 189. p. 236.
Problems in geomechanics of technologeneous rock mass
  • Date submitted
    2016-12-22
  • Date published
    2010-01-01

Simulation of the stress-strain state forming around the vertical mine in the field of tectonically fractured massif

The influence of the front clean up of stress-strain state around a vertical mine of a tectonically fracture massif for a uranium deposit «Antey» is considered. By means of computer simulation it’s have been confirmed by field observations.

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D. Yu. Dorzhiev (2010) Simulation of the stress-strain state forming around the vertical mine in the field of tectonically fractured massif. Journal of Mining Institute. Vol 185. p. 171.