Managing uncertainties in sliding stability re-assessment of concrete dams founded on rock

This keynote paper presents a summary of the work performed at the Division of Soil and Rock Mechanics, KTH Royal Institute of Technology on this topic during the last decade by the author and colleagues. The main massage is that a combination of reliability based design, statistical decision theory and observations through investigations and testing are key tools to obtain optimal decisions for acceptable dam safety in the re-assessment of existing concrete dams.

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