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Yu. I. Vinogradov
Yu. I. Vinogradov
Saint Petersburg State Mining Institute (Technical University)
Saint Petersburg State Mining Institute (Technical University)
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Articles

Innovation in designing of mining plants
  • Date submitted
    2016-11-16
  • Date published
    2012-04-01

Blasting charge diameter influence on the blasting efficiency

Research carried out proves that blast seismic effect i.e. displacement velocity in a seismic wave and efficiency are the function of specific charge with rock mass contact surface. Dependence of blasting fragmentation coefficient from diameters and charge density variation is given.

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Yu. I. Vinogradov, V. A. Artemov (2012) Blasting charge diameter influence on the blasting efficiency. Journal of Mining Institute. Vol 198. p. 170.
Development of solid mineral deposits
  • Date submitted
    2016-12-07
  • Date published
    2011-01-01

Distribution of products of destruction of granite files

The article considers the problem of size distribution of grain-size composition of the blasted rock mass, rock fragments blasted rock mass and rock blockiness. The logarithmic-normal distribution law is laid down for all blasted granite mass products. It was proved, that logarithmic variance of logarithmic normal distribution law of the fractured rock mass fragments’ distribution is a structural invariant on the level of statistical universe of the block and fragments.

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G. P. Paramonov, Yu. I. Vinogradov, A. A. Kamenskii (2011) Distribution of products of destruction of granite files. Journal of Mining Institute. Vol 189. p. 146.