McDonald, L & Lane, JC 2010, 'Consolidation of in-pit tailings', in R Jewell & AB Fourie (eds), Mine Waste 2010: Proceedings of the First International Seminar on the Reduction of Risk in the Management of Tailings and Mine Waste
, Australian Centre for Geomechanics, Perth, pp. 49-62, https://doi.org/10.36487/ACG_rep/1008_05_McDonald
The use of mined out pits for tailings storage is becoming increasingly popular due to economic and
environmental benefits. The main post closure issue with tailings deposition into in-pit facilities is the
prediction of the settlement of the final surface in terms of time and magnitude of consolidation (settlement),
as this governs when rehabilitation can commence and the type of rehabilitation to promote a free draining
surface. Consolidation of in-pit tailings is influenced by factors such as tailings properties, pit geometry and
permeability, and available drainage pathways. This paper presents the results of finite element modelling of
various in-pit facilities to predict the consolidation and contributing factors. Case studies draw upon
historical data from post closure pits from a range of tailings materials to allow the modelling to be
correlated with actual field results.
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Australian Centre for Geomechanics, Perth, WA, 5–7 December 2007.
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Lane, J.C. (2000) In-pit Tailings Disposal Marymia Gold Operation: Case History, in GLRG Workshop Proceedings.
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Salinity and Hydrology Branch, Division of Resource Management, Western Australian Department of
Consolidation of in-pit tailings L. McDonald and J.C. Lane
62 Mine Waste 2010, Perth, Australia
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