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Designing model system for low-pH cement carbonation

Abstract : We formulated model cementitious materials of controlled mineralogy and increasing chemical composition complexity. Those model materials are hardened cement pastes with Ca/Si ratio between 0.80 and 3.0 with a microstructure generated by their hydration. They are part of a study focusing on atmospheric carbonation and its consequences (modifications in mineralogy and microstructure) but this aspect will not be discussed here. We will focus instead on the hardened cement pastes properties such as mineralogical assemblage, chemistry and microstructure.
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Submitted on : Friday, February 21, 2020 - 9:45:53 AM
Last modification on : Friday, September 30, 2022 - 9:44:08 AM
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  • HAL Id : cea-02338743, version 1


E. Kangni-Foli, E. L'Hôpital, A. Dauzères, P. Le Bescop, Stéphane Poyet, et al.. Designing model system for low-pH cement carbonation. NUWCEM 2018 - 3rd International Symposium on Cement-based Materials for Nuclear Wastes, Oct 2018, Avignon, France. ⟨cea-02338743⟩



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