Stability and Buffering Capacity of the Geosphere for Long-term Isolation of Radioactive Waste
Application to Crystalline Rock
The proceedings show a good understanding of the processes and events that can affect crystalline rocks and, although there is less confidence in predicting exactly when and where such events will occur and the volume of rock that will be affected, the extent of the impacts on a geological repository can be confidently addressed using bounding approaches supported by geological information from similar sites around the world.
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Poster Session: Summary of Posters
Nuclear Energy Agency
J. Andersson et al. (Streamflow AB, Posiva, REC, VTT and Pöyry Environment) presented the discipline-integrated approach to modelling that is being used for describing the Olkiluoto site in Finland. The Olkiluoto Modelling Task Force (OMTF) has been established for planning and integrating the results and the modelling work in the different supporting disciplines. The main duty of the OMTF is to develop site descriptive models of the Olkiluoto site, as well as predicting and evaluating the disturbance created by construction of the ONKALO ramp and the characterisation tunnels. The resulting geosynthesis is reported in a series of Site Reports. Future updates of the Site Report will form part of the Safety Case portfolio, supporting a licence application for constructing a repository for Finland’s spent nuclear fuel at the site.
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