| Issue |
Mechanics & Industry
Volume 24, 2023
History of matter: from its raw state to its end of life
|
|
|---|---|---|
| Article Number | 25 | |
| Number of page(s) | 9 | |
| DOI | https://doi.org/10.1051/meca/2023023 | |
| Published online | 08 August 2023 | |
Regular Article
A non-linear multiscale chemo-mechanical model describing the delayed evolution of concrete structures in marine environments
1
Nantes Université, Ecole Centrale Nantes, CNRS, GeM, UMR 6183, 44000 Nantes, France
2
Centre de Modélisation, Ecole Doctorale des Sciences et Technologie, Université Libanaise, Liban
3
Centre de Recherches Scientifiques en Ingénierie (CRSI), Université Libanaise, Beyrouth, Liban
* e-mail: marinelle.el-khoury@ec-nantes.fr
Received:
21
December
2022
Accepted:
3
July
2023
The failure of offshore structures is a major issue as they lead to economic, environmental, and social disasters. Assessing the durability and long-term behavior of these structures subjected to chemical and mechanical degradation is subsequently critical. The analysis of these coupled phenomena induced by seawater attack and mechanical loading is complex and requires the development of innovative measurement systems and modelling strategies. Thus, multiscale protocols, starting from the microscopic scale of the cement paste, seems relevant for the characterization of the chemo-mechanical behavior of offshore structures. Therefore, the competition between protective layers' formations and harmful effects of seawater ions has been coupled with the creep phenomenon.
Key words: Cement / chemo-mechanical / degradation / multi-scale / seawater
© M. El-Khoury et al., Published by EDP Sciences 2023
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