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Vol 189
Pages:
236-239
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RUS

Substantiation of way unloading pillar in tectonically fractured massif

Authors:
A. G. Protosenya1
D. Yu. Dorzhiev2
About authors
  • 1 — Saint Petersburg State Mining Institute (Technical University)
  • 2 — Saint Petersburg State Mining Institute (Technical University)
Date submitted:
2010-07-11
Date accepted:
2010-09-02
Date published:
2011-03-21

Abstract

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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References

  1. Поляков А.Н. Прогноз удароопасности горнотехнических ситуаций на перспективные глубины разработки // Горный журнал. 1993. № 4. С. 51-56.
  2. Расчетные методы в механике горных ударов и выбросов: Справочное пособие / И.М.Петухов, А.М.Линьков, В.С.Сидоров и др. / М.: Недра, 1992. 256 с.

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