Abstract

A three-dimensional finite element thermal stress analysis of the RH TRU experiments in WIPP Room T has been performed. This analysis aids in the interpretation of the borehole closure results being obtained from the Room T experiments and helps in assessing potential performance impacts in a typical storage room, during the waste retrieval period. Computed results are presented and compared to available in situ data, and a qualitative agreement between measured and computed closures is seen. Results indicate that if the boreholes are drilled 3 years after excavation of a typical storage room, the closure should not impede retrieval of the canisters during the 5 year waste retrieval period. 11 refs., 10 figs.

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