This paper describes a multi-scale approach used to study the Cuiaba Mine in Brazil. In such approach, a three-dimensional mine-scale or global model is used to model the mine behaviour through its entire Life of Mine. Sub-models, with finer meshes sub-models used to target specific areas. The boundaries of the sub-models are controlled by the mine-scale model to ensure compatibility of displacements and stress between the different scales. The results illustrate how such an approach is capable of representing the observed mine behaviour, including falls of ground observed during operation. In addition, it is also discussed how the results of such an approach can be used in mine planning with significant potential savings arising from the avoidance of high stress zones or zones of significant rock damage.
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ISRM Conference on Rock Mechanics for Natural Resources and Infrastructure - SBMR 2014
September 9–13, 2014
Goiania, Brazil
Understanding Mine Behaviour Through Multi-Scale Modelling: A Study of the Cuiaba Mine, Brazil
Paper presented at the ISRM Conference on Rock Mechanics for Natural Resources and Infrastructure - SBMR 2014, Goiania, Brazil, September 2014.
Paper Number:
ISRM-SBMR-2014-044
Published:
September 09 2014
Citation
Oliveira, David, Arndt, Stephan, and Reuber Cota. "Understanding Mine Behaviour Through Multi-Scale Modelling: A Study of the Cuiaba Mine, Brazil." Paper presented at the ISRM Conference on Rock Mechanics for Natural Resources and Infrastructure - SBMR 2014, Goiania, Brazil, September 2014.
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