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A. A. Dobrynin
A. A. Dobrynin
STF Rudvzvzryv
STF Rudvzvzryv
Moscow
Russia

Articles

Physics and fracture mechanics rocks
  • Date submitted
    2008-07-14
  • Date accepted
    2008-09-10
  • Date published
    2009-01-01

Method of operative estimation of quality of rock crushing by explosive method

Article preview

The method of an operative estimation of quality of crushing of rocks is offered by explosive way by means of modern technology of ground laser scanning is offered.

How to cite: Dobrynin A.A., Dobrynin I.A. Method of operative estimation of quality of rock crushing by explosive method // Journal of Mining Institute. 2009. Vol. 180. p. 71-74.
Blasting, explosives and means of mechanization of their application
  • Date submitted
    2006-09-23
  • Date accepted
    2006-11-12
  • Date published
    2007-03-01

Results of measurements of detonation velocity of low shock-wave sensitive explosives in borehole charges

Article preview

The results of measuring the detonation velocity of emulsion and conversion explosives under production conditions are presented. It is found that the use of intermediate detonators of different masses can produce various modes of explosive transformations, including high-speed detonation and fast or slow decaying explosive processes.

How to cite: Dodukh V.G., Dobrynin A.A., Dobrynin I.A. Results of measurements of detonation velocity of low shock-wave sensitive explosives in borehole charges // Journal of Mining Institute. 2007. Vol. 171. p. 181-184.