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New slope stability considerations for deep open pit mines
The new slope stability considerations for deep open pit mines were discussed. The results of substantial programme of two dimensional and axisymmetric analysis of open pit slopes were described. Variations in the following parameter which include slope angle, slope height and horizontal to vertical stress ration were taken into account in this programme. The evolution of the data has concentrated on the tensile stress and the extension strains in the slope. It was concluded that the relatively limited tensile stress zones occur behind the crest of slopes for stress conditions with k ratios greater than 1.0 and in the floor of the pit for low k values.
New slope stability considerations for deep open pit mines
The new slope stability considerations for deep open pit mines were discussed. The results of substantial programme of two dimensional and axisymmetric analysis of open pit slopes were described. Variations in the following parameter which include slope angle, slope height and horizontal to vertical stress ration were taken into account in this programme. The evolution of the data has concentrated on the tensile stress and the extension strains in the slope. It was concluded that the relatively limited tensile stress zones occur behind the crest of slopes for stress conditions with k ratios greater than 1.0 and in the floor of the pit for low k values.
New slope stability considerations for deep open pit mines
Stacey, T.R. (Autor:in) / Xianbin, Y. (Autor:in) / Armstrong, R. (Autor:in) / Keyter, G.J. (Autor:in)
Journal of the South African Institute of Mining and Metallurgy ; 103 ; 373-389
2003
17 Seiten, 54 Quellen
Aufsatz (Zeitschrift)
Englisch
Gestein , Zugspannung , Spannungsanalyse , Verspannung , Fehleranalyse , Tagebau , Grube
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