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This report considers the thermal behaviour of an engineered barrier with the selected French clay Fo-Ca (natural calcic smectite) as its major constituent. After installation this barrier was subjected simultaneously to the heat flux dissipated by the container and to a possible rehydration by contact with the host medium. The report consists of three parts. The first part is devoted to R & D studies concerning detectors suitable for the point measurement of the water concentration. The second part reports on experiments carried out in the laboratory concerning both the study of heat transfer during the so-called "dry" phase of the disposal (without any water being supplied externally) and the study of the phenomenon of fissurisation. The third part describes the in-situ experiment "BACCHUS", carried out in the underground test facility at Mol (Belgium).

Additional information

Authors: DARDAINE M, CEA, Fontenay-aux-Roses (FR);BÉZIAT A ET AL., CEA, Fontenay-aux-Roses (FR);FONTAN N, Ecole des mines de Nancy, Nancy (FR);MOYNE C, LEMTA, Nancy (FR)
Bibliographic Reference: EUR 13167 FR (1991) 167 pp., FS, ECU 13.75
Availability: (2)
ISBN: ISBN 92-826-2077-8
Record Number: 199110206 / Last updated on: 1994-12-02
Original language: fr
Available languages: fr
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