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Hygric properties of concrete casing for radioactive waste deposition

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61388980%3A_____%2F18%3A00503695" target="_blank" >RIV/61388980:_____/18:00503695 - isvavai.cz</a>

  • Result on the web

    <a href="https://www.sgem.org/index.php/elibrary?view=publication&task=show&id=2143" target="_blank" >https://www.sgem.org/index.php/elibrary?view=publication&task=show&id=2143</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.5593/sgem2018V/4.3/S04.001" target="_blank" >10.5593/sgem2018V/4.3/S04.001</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Hygric properties of concrete casing for radioactive waste deposition

  • Original language description

    This paper presents the results of an experimental study of concrete designed as a secondary barrier for radioactive waste deposition. Sorption materials, such as natural zeolite, have very good encapsulation ability to certain ions, which can be harmful for the environment, such as 137 Cs. Incorporation of natural zeolite into concrete may increase the protection ability of secondary barriers against radionuclide release. Determination of water-transport-and water vapour transport properties of such concrete can present an important indicator of concrete quality, in particular in the link to its basic physical properties. In this study, concrete mixtures containing various amounts of natural zeolite (clinoptilolite) were prepared. For the reference mixture, there was only cement used as a binder. In the other mixtures, 10% of natural zeolite was added to take part in the hydration due to its pozzolanity. The excess amount of natural zeolite played as an inert filler with sorption properties. The experimental results show an increasing trend of the open porosity with the addition of natural zeolite, which can also be seen on a gradual decrease of both, bulk and matrix density. Consequently, both water transport and water vapour transport are enhanced with the increasing amount of natural zeolite in the concrete mixture.

  • Czech name

  • Czech description

Classification

  • Type

    D - Article in proceedings

  • CEP classification

  • OECD FORD branch

    10402 - Inorganic and nuclear chemistry

Result continuities

  • Project

    <a href="/en/project/GA17-11635S" target="_blank" >GA17-11635S: Cement composite for radionuclide encasement</a><br>

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2018

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Article name in the collection

    18th International Multidisciplinary Scientific GeoConference SGEM 2018

  • ISBN

  • ISSN

    1314-2704

  • e-ISSN

  • Number of pages

    8

  • Pages from-to

    "Roč. 18"

  • Publisher name

    STEF92 Technology

  • Place of publication

    Sofia

  • Event location

    Vienna

  • Event date

    Dec 3, 2018

  • Type of event by nationality

    WRD - Celosvětová akce

  • UT code for WoS article