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Abstract

Two investigations are described. The first, carried out at Culham Laboratory (England), was concerned with the measurement of water flow within the Kimmeridge clay. The second was undertaken at the SCK/CEN Mol (Belgium), where an in situ measurement of solute transport by diffusion was attempted. This in situ migration experiment was unsuccessful, due to problems with the engineering installation. The field measurements at Culham Laboratory were completed with the flow testing of a very silty clay horizon in the Kimmeridge clay. This layer was proved to be laterally continuous after drilling three exploratory boreholes. The hydraulic conductivity of the layer was less than 1.0 E-8 m/s, and comparative tests in the clay showed the conductivity of the clay to be at least 50 times less.

Additional information

Authors: BOURKE P J, AEA Decommissioning and Radwaste, Radwaste Disposal R&D Division, Harwell, Oxon. (GB);JEFFERIES N L, AEA Decommissioning and Radwaste, Radwaste Disposal R&D Division, Harwell, Oxon. (GB);LINEHAM T R, AEA Decommissioning and Radwaste, Radwaste Disposal R&D Division, Harwell, Oxon. (GB);NESIRKY P, Harwell Laboratory, Engineering Division, Harwell, Oxon. (GB)
Bibliographic Reference: EUR 13179 EN (1991) 34 pp., FS, ECU 5
Availability: (2)
ISBN: ISBN 92-826-2452-8
Record Number: 199110616 / Last updated on: 1994-12-02
Category: PUBLICATION
Original language: en
Available languages: en