Laboratory and in-situ testing of gas permeability and self-healing ability of Czech Ca-Mg bentonite

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21110%2F14%3A00224462" target="_blank" >RIV/68407700:21110/14:00224462 - isvavai.cz</a>
Result on the web
<a href="http://www.project.conventus.de/fileadmin/media/2014/mecc/Programm/MECC2014_Hpr_WEB_gesamt.pdf" target="_blank" >http://www.project.conventus.de/fileadmin/media/2014/mecc/Programm/MECC2014_Hpr_WEB_gesamt.pdf</a>
DOI - Digital Object Identifier
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Result language
angličtina
Original language name
Laboratory and in-situ testing of gas permeability and self-healing ability of Czech Ca-Mg bentonite
Original language description
Bentonite is widely used within construction industry and elsewhere. Due to its very low permeability and high swelling ability the bentonite is used as a sealing barrier in waste sites. Its usage is also envisaged in a deep radioactive waste repository.The waste or the package materials will generate gases within and after the lifetime of these structures; therefore the knowledge of gas migration through the sealing system is essential. The aim of presented research is to experimentally study properties of a Czech Ca-Mg bentonite and thus its suitability for use in construction. Therefore several forms are tested: powder, granules, pellets and their mixtures, or compacted prefabricates. Both in-situ and laboratory experiments are being conducted. Alltypes of these experiments are focused on investigation of bentonite permeability and self-healing ability which are key properties for sealing barriers. The in-situ experiment, situated at the Josef Underground Laboratory, consists of a
Czech name
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Czech description
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Publication year
2014
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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