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Tailings dams knowledge base creation

Tailings dams knowledge base creation is about how to acquire the information needed to perform well documented risk assessments. Of course, there are many possible ways to create the necessary knowledge-base for a risk assessment that is compliant with the new Global standard. Today we will discuss a few possible ways to do so at a high-level.At Riskope we passionately believe that only a blending of these approaches is capable of bringing the answers needed for high quality risk assessments…

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SLM and the Probability of failure of a tailings dam

SLM and the probability of failure of a tailings dam goes back 35 years.  A paper entitled “Probability and Risk of Slope Failure” (Silva et al., 2008) proposed using quantification of expert judgement.  That is a subjective/semi-empirical probability evaluation as a practical alternative for determining probability of slope failure. We call this approach SLM, using the initials of the authors. SLM culminates with semi-empirical relationships between Factor of Safety -FoS- and probability of failure -pf-. That relationship allows to estimate…

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Codes, resilience and climate change

Many clients are dealing with a conundrum at the cross between codes, resilience and climate change. Solving it is paramount for tactical and strategic planning purposes. Code compliance is not synonymous with resilience When facing good-old hazards that are becoming more frequent and more intense, perhaps due to climate change, it is easy to realize that code compliance becomes meaningless. Indeed, codes work for the “good old way”, both in terms of resilience and frequency. A code compliant solution may…

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