Community Research and Development Information Service - CORDIS

Abstract

Final report on Contract No FI4W-CT96-0028.

As in all nuclear power generating countries, the management of high-level and long-lived radioactive wastes is an important environmental issue today. Deep geological disposal of these wastes in clay formation is found to be a suitable management option. An essential item for the long-term performance of these underground repositories is the proper evaluation of the Excavated Disturbed Zone (EDZ) around excavation.

The aim of the CLIPEX project was to assess and characterise the EDZ around a gallery similar in size to that of a disposal gallery for radioactive waste. The CLIPEX project was realised in the frame of the extension of the underground research facility (HADES) in the deep Boom Clay formation at Mol (Belgium). The extension consisted of a second shaft, and the excavation of a gallery connecting this shaft with the existing facility. The connecting gallery was realised with a tunnel machine allowing an excavation rate about three meters per day, and minimising perturbation of the host rock. A unique and original opportunity was then given, within the CLIPEX project, to monitor the hydro-mechanical parameters ahead of the face of the connecting gallery .An important part of the project was also devoted to blind predictions and their comparison with the in-situ measurements. The CLIPEX project was co-ordinated by EIG EURIDICE.

Additional information

Authors: BERNIER F ET AL, EIG EURIDICE (BE);PALUT J M, ANDRA (FR);BEN SLIMANE J K, ANDRA (FR);GHOREYCHI M, G3S (FR);GAOMBALET J, G3S (FR);HUERTAS F, ENRESA (ES);GALERA J M, GEOCONTROL (ES);MERRIEN K, GEOCONTROL (ES);ELORZA F J, U.P.M. (ES)
Bibliographic Reference: EUR 20619 EN (2003), 141pp. Euro: 25
Availability: EUR-OP reference: KI-NA-20619-EN-S Available from EUR-OP sales agents URL: http://publications.eu/general/en/publications_en.htm
ISBN: ISBN: 92-894-5813-5
Record Number: 200316752 / Last updated on: 2003-09-17
Category: PUBLICATION
Original language: en
Available languages: en