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Modeling uncertainties in mining pillar stability analysis

Abstract : Many countries are now facing problems related to their past mining activities. One of the greatest problems concerns the potential surface instability. In areas where a room-and-pillar extraction method was used, deterministic methodologies are generally used to assess the hazard of surface collapses. However, those methodologies suffer from not being able to take into account all the uncertainties inherent in any hazard analysis. Through the practical example of the assessment of a single pillar stability in a very simple mining layout, this article introduces a logical framework that can be used to incorporate the different kinds of uncertainties related to data and models, as well as to specific expert's choices in the hazard or risk analysis process. Practical recommendations and efficient tools are also provided to help engineers and experts in their daily work.
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Submitted on : Friday, March 21, 2014 - 2:18:07 PM
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Maxime Cauvin, Thierry Verdel, Romuald Salmon. Modeling uncertainties in mining pillar stability analysis. Risk Analysis, Wiley, 2009, 29 (10), pp.1371-1380. ⟨10.1111/j.1539-6924.2009.01237.x⟩. ⟨ineris-00963186⟩



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