Design study for a macropermeability test in an argillaceous formation (Boom clay): Final report

Jan Bronders

    Research outputpeer-review


    In the present report a test design has been developped for determining the in-situ permeability of the Boom clay on a large scale at the Mol site. Since in the Boom clay at the Mol site an URF is operational the test has been designed to be run in or from this facility. The proposal is an in-situ macropermeability test with a set-up comprising a central borehole (metric scale in length) designed as to allow various types of control of the waterlevel, surrounded by a lattice of piezometers installed in the clay mass for the monitoring of the interstitial water pressure changes in function of the various waterlevel controls. The report describes in one part the potential set-ups and a theoretical background as far is it can be done on the basis of existing literature and experiments. In a second part the method (technical and practical data of a test set-up) is described and documented. The method proposed is largely based in the several years of expertise gained within field of in-situ migration and hydrogeologic investigations in the HADES-URF.
    Original languageEnglish
    PublisherPublications Office of the European Union
    Number of pages55
    ISBN (Print)92-826-4738-2
    StatePublished - 1992

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