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News about DOPAS Project

16.4.2013 12.51

Joint development of plugging and sealing technology for geological disposal facilities – The DOPAS Project

Launch of European-wide cooperation on plugging and sealing technology

Fourteen nuclear waste management organisations and research institutes from eight European countries are participating in a technology development project for testing plugging and sealing systems for geological disposal facilities for radioactive waste - the DOPAS project ("Full-Scale Demonstration Of Plugs And Seals"). The project is built around a set of full-scale underground demonstrations, laboratory experiments, and performance assessment studies.


The project budget is €15.7 million, and is jointly funded by the Euratom's Seventh Framework Programme (€8.7 million) and European nuclear waste management organisations. The project is running in the period September 2012 – August 2016, and is being coordinated by Posiva Oy, a nuclear waste management company in Finland.


The project will compile the design basis of plugs and seals, develop new technology for plug and seal materials and for the assembly and construction of plug and seal systems, carry out full or partial design of the systems, and perform five full-scale plug and seal tests. The tests will be carried out in research facilities representative of varying geological environments in Finland, France, the Czech Republic, Sweden and Germany. In addition, the performance of the plugs and seals will be assessed and compared to design requirements. A further task is to inform the wider radioactive waste management community about the work and results of DOPAS, via attendance at international scientific meetings and project publications.


In 2016, the project team will organise an international seminar on plugging and sealing technology for geological disposal of radioactive waste.


The impetus to the cooperation comes from the Strategic Research Agenda of the Implementing Geological Disposal of Radioactive Waste - Technology Platform (IGD-TP).

betonitulppa
As example Posiva's Deposition tunnel plug experiment in ONKALO underground rock characterization facility in Olkiluoto, Finland

dopas logoEuratom-www


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