Modelling Concrete Degradation by Coupled Non-linear Processes
Source abstract
Abstract
Concrete in a transuranic (TRU) waste repository is considered a suitable material to ensure safety, provide structural integrity and retard radionuclide migration after the waste containers fail. Modelling of concrete degradation often focuses solely on solid-water chemical reactions and related changes in porosity, however, cracking and damage from steel corrosion will likely exert significant control over the mass-transport properties of concrete. In the current study, coupling between chemical, mass-transport and mechanical, so-called non-linear processes that control concrete degradation and crack development were investigated by coupled numerical models. Application of such coupled numerical models allows identification of the dominant non-linear processes that will control long-term concrete degradation and crack development in a TRU waste repository.
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Research context
OpenAlex topics: Concrete and Cement Materials Research · Nuclear Materials and Properties · Rock Mechanics and Modeling
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Japan Atomic Energy Agency, 4-33 Muramatsu, Tokai-mura, Naka-gun, Ibaraki 319-1194, Japan.
QJ Science Limited, Yokohama Portside Building 3F, 8-1 Sakae-cho, Yokohama Kanagawa-ku, Kanagawa 221-0052, Japan.
Kajima Corporation, 3-8 Motoakasaka 1-chome, Minato-ku, Tokyo 107-8477, Japan.
Quintessa Limited, Newtown Road, Henley-on-Thames, Oxfordshire, RG9 1HG, United Kingdom.
References (38)
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