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Mechanical evolution of radioactive waste repository and rock mass - A review on ANDRA's case -  

Chung, So-Keul (한국지질자원연구원 지반안전연구부)
Synn, Joong-Ho (한국지질자원연구원 지반안전연구부)
Publication Information
Tunnel and Underground Space / v.18, no.3, 2008 , pp. 165-174 More about this Journal
Abstract
Thermo-hydro-chemico-mechanical evolution of the radioactive waste repository and surrounding geological media is one of the key issues for the radioactive waste disposal. This article describes not only the basic context for the site selection but also a reasonable strategy for the repository related research based on the results of the French repository project carried out by ANDRA (National radioactive waste management agency). To have some alternatives for the determination of a preferable depth and geological media, it would be recommendable to establish a database system. The curing process of the fractures or microfissures in the EDZ (Excavation Disturbed Zone) during operation time has to be examined considering the evolution of the EDZ and the reversibility of the repository. It is prerequisite to carry out a feasibility study and to validate the design concept and design parameters in a properly constructed underground research laboratory (URL) in Korea.
Keywords
Mechanical evolution; EDZ curing; URL;
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  • Reference
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