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Monte Carlo Simulations of the Degradation of the Engineered Barriers System in the Yucca Mountain Repository Using the EBSPA Code

Published online by Cambridge University Press:  19 October 2011

Zack Qin  and
D. W. Shoesmith
Zack Qin
Affiliation:
zqin@uwo.ca, The University of Western Ontario, Chemistry, Chemistry Building, The University of Western Ontario, London, Ontario, N6A 5B7, Canada
D. W. Shoesmith
Affiliation:
dwshoesm@uwo.ca, The University of Western Ontario, London, Ontario, N6A 5B7, Canada
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Abstract

Based on a probabilistic model previously proposed, a Monte Carlo simulation code (EBSPA) has been developed to predict the lifetime of the engineered barriers system within the Yucca Mountain nuclear waste repository. The degradation modes considered in the EBSPA are general passive corrosion and hydrogen-induced cracking for the drip shield; and general passive corrosion, crevice corrosion and stress corrosion cracking for the waste package. Two scenarios have been simulated using the EBSPA code: (a) a conservative scenario for the conditions thought likely to prevail in the repository, and (b) a worst-case scenario in which the impact of the degradation processes is overstated.

Keywords

simulationcorrosionwaste management
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 985: Symposium NN – Scientific Basis for Nuclear Waste Management XXX , 2006 , 0985-NN03-06
Copyright
Copyright © Materials Research Society 2007

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References

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