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Vol 185
Pages:
55-60
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RUS

Numerical assessment of stress-strain field in vicinity of large open pit mine taking into account geomechanical, geological and mining factors

Authors:
A. A. Kozyrev1
I. E. Semionova2
V. V. Rybin3
I. M. Avetisyan4
About authors
  • 1 — Ph.D., Dr.Sci. Deputy director on research work Mining institute of the Kola research center of RAS
  • 2 — Ph.D. senior research assistant Mining institute of the Kola research center of RAS
  • 3 — senior research assistant Mining institute of the Kola research center of RAS
  • 4 — junior research Mining institute of the Kola research center of RAS
Date submitted:
2009-07-12
Date accepted:
2009-09-16
Date published:
2010-04-22

Abstract

The results of modeling of rock mass stress state in the vicinity of large open pit mine using finite-elements method are represented. The model allows to take into account the influence of large-scale fractures. The initiation of boundary conditions is based on the results of determination of stress parameters in situ. The locations of risk areas near the slope are defined.

Keywords:
mathematical modeling stress-strain fields. account of geological factors determination of hazardous zones
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References

  1. Зубков А.В. Геомеханика и криотехнология / УрО РАН. Екатеринбург, 2001. 335 с.
  2. Козырев А.А. К проблеме устойчивости бортов глубоких карьеров в высоконапряженных массивах / А.А.Козырев, В.В.Павлов, В.А.Мальцев // Проблемы разработки глубоких карьеров: Материалы международного симпозиума по открытым горным работам «Мирный-91» / Удачный, 1991. С.129-134.
  3. Козырев А.А. Трехмерное моделирование напряженно-деформированного состояния массива горных пород как основа прогноза удароопасности на рудниках ОАО «Апатит» / А.А.Козырев, И.Э.Семенова, А.А.Шестов // Сборник докладов международной конференции «Геодинамика и напряженное состояние недр Земли». Новосибирск, 2007.
  4. Stacey T.R. Slope Stability in High Stress and Hard Rock Conditions. Slope Stability 2007. P.187-200.
  5. Stead D., Coggan J.S., Elmo D., Yan M. Modelling Brittle Fracture in Rock Slopes – Experience Gained and Lessons Learned. Slope Stability 2007. P.239-252.

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