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Vol 154
Pages:
153-156
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Earthquake-proof structures of mine workings during the development of shock-hazardous deposits

Authors:
A. G. Protosenya1
O. V. Kolosova2
Yu. N. Ogorodnikov3
About authors
  • 1 — G.V. Plekhanov Saint Petersburg Mining University
  • 2 — G.V. Plekhanov Saint Petersburg Mining University
  • 3 — G.V. Plekhanov Saint Petersburg Mining University
Date submitted:
2002-08-04
Date accepted:
2002-09-05
Date published:
2003-03-01

Abstract

On the basis of the laws of changing the parameters of the dynamic stress field during the interaction of seismic waves with the mine workings the requirements to the seismic resistant armoring of mine workings in the zones of rock bumps and mass explosions are formulated. The operability of traditional types of anchors under dynamic loads is evaluated. The optimum design of fortification of excavations in the shock-hazardous areas is a combined support from steel-polymer or reinforced concrete anchors with a solid filling of the boreholes with a fortifying composition enhanced by piles of long (up to 3.5 m) reinforced concrete anchors in the place of wave exit on the contour of the excavation. The length of the anchors is chosen according to the tensile stress zone overlap.

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References

  1. Инструкция по креплению полевых горизонтальных и наклонных выработок шахт Северо-Уральского бокситового бассейна / Санкт-Нетербургский горный ин-т. СНб, 1996. 56 с.
  2. Бестужева А.Н. Методические принципы математического моделирования физических процессов в сложных системах / А.Н.Бестужева, В.В.Карпенко, Г.А.Коятон // Новые технологии в образовательном процессе / Высшее военно-морское училище им. М.В.Фрунзе. СПб, 1998, № 5. С.95-100.

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