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Vol 189
Pages:
146-150
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RUS

Distribution of products of destruction of granite files

Authors:
G. P. Paramonov1
Yu. I. Vinogradov2
A. A. Kamenskiy3
About authors
  • 1 — Ph.D., Dr.Sci. professor Saint Petersburg State Mining Institute (Technical University)
  • 2 — Ph.D. senior lecturer Saint Petersburg State Mining Institute (Technical University)
  • 3 — post-graduate student Saint Petersburg State Mining Institute (Technical University)
Date submitted:
2010-07-06
Date accepted:
2010-09-06
Date published:
2011-03-21

Abstract

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.

Keywords:
fragmentation Distribution of grain-size composition logarithmic variance fragment drilling products invariant
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References

  1. Виноградов Ю.И. Об оценке дробления горных пород взрывом / Ю.И.Виноградов, Т.А.Тумашева // Новые исследования в горном деле. ЛГИ. Л., 1975. Вып.8.
  2. Новикова М.А. Разработка способа производства массовых взрывов с попутной добычей гранитных блоков: Автореф. дис… канд. техн. наук. МГИ. М., 1984.
  3. Падуков В.А. Характеристики продуктов разрушения горных пород при ударе и взрыве и прогнозирование гранулометрического состава горной массы» / В.А.Падуков, В.П.Макарьев // Труды института «Гипроникель» 1972. Вып.54.
  4. Фадеенков Н.Н. О методическом подходе к управлению при взрывном дроблении горных пород / Н.Н.Фадеенков, Э.П.Таран // Взрывное дело. 1984. № 86/43.

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