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Vol 148 No 2
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Research article
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Fracture energy capacity as a criterion for stability of building clay backfill

L. K. Gorshkov1
S. V. Naumov2
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  • 1 — St. Petersburg State Mining Institute
  • 2 — St. Petersburg State Mining Institute
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The stability of the clay outcrop when driving transport or sewage tunnels determines the efficiency and safety of mining operations, as the time of the steady state of the clay outcrop depends on the regulated lag of the permanent excavation support, the mechanization method of excavation works, the time of rock mass removal, etc. In addition, clayey strata in recent years are widely used as storage facilities for various wastes (e.g., radioactive), so the steady state time of the outcrop plays an important role here, too.

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  1. Ржаницын А.Р. Теория расчета строительных конструкций на надежность. М.: Стройиздат, 1978.
  2. Ставрогин А.Н. Баланс энергии при хрупком разрушении горных пород / А.Н.Ставрогин, Б.Г.Тарасов // ФТПРПИ. 1985. № 1.
  3. Ставрогин А.Н. Механика деформирования и разрушения горных пород / А.Н.Ставрогин, А.Г.Протосеня // М.: Недра, 1992.

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