Risk analysis of tailing dams collapse (Contributo in atti di convegno)

Type
Label
  • Risk analysis of tailing dams collapse (Contributo in atti di convegno) (literal)
Anno
  • 2005-01-01T00:00:00+01:00 (literal)
Alternative label
  • Bortolussi A.; Grosso B.; Manca P.P. (2005)
    Risk analysis of tailing dams collapse
    in Proceedings of the fourteenth International Symposium on Mine Planning and Equipment Selection (MPES 2005) and fifth international conference on computer applications in the mineral industry (CAMI 2005), Banff, Alberta, Canada, December 11-13, 2005
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Bortolussi A.; Grosso B.; Manca P.P. (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Bortolussi A. CNR, IGAG Sezione di Cagliari Grosso B. DIGITA, Università di Cagliari Manca P.P. DIGITA, Università di Cagliari (literal)
Titolo
  • Risk analysis of tailing dams collapse (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#isbn
  • 978-0-9784416-0-9 (literal)
Abstract
  • The paper discusses the simulation procedure used to evaluate the risk of tailings dam collapse. The traditional limit equilibrium analysis is applied to show the statistical variability of the Safety Factor; the stress - strain calculation is applied to show the collapse mechanisms. The collapse simulation develops through two phases: the instability of the embankment external slope and the collapse of the whole dam produced by the tailings horizontal pressure. In the case presented on this paper, the simulation results shown that even in the case of an high average value and small standard deviation of the internal friction angle of the embankment material, the dam collapse is possible with the probability of 2%. (literal)
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