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The development of inhomogeneities during the pervasive flow of water through the Nirex reference vault backfill (NRVB) has been studied. The buffering of the chemistry in groundwater flowing in a crack has been studied using models developed under this programme. These models include a simplified analytical solution, which allows the influence of cracks on the longer term behaviour of the repository chemistry which has been implemented as a computer code denoted CHEQFRAC and the CRACK2 code which simulates the development of the reaction layers.

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Authors: HARRIS A W ET AL, AEA Technology, Harwell Laboratory, Didcot, Oxon (GB);BALEK V ET AL, Nuclear Research Institute Rez (CZ);BRODERSEN K ET AL, Nuclear Safety Research Department, Risø National Laboratory, Roskilde (DK)
Bibliographic Reference: EUR 17643 EN (1998) 309pp., FS, ECU 53.50
Availability: Available from the (2)
ISBN: ISBN 92-828-2152-8
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