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Characterization of Steel/Concrete Interface for a Long-Term Corroded Beam Stored in Chloride Environment

Abstract : This paper deals with the steel/concrete interface of a corroded beam B2CL1 after a 23 years exposure in chloride environment. XRD, SEM and Raman techniques were performed to investigate the chemical compositions and the spatial distribution of corrosion products. The experimental results illustrate that the corrosion product layer is a multi-layer constituted as marbling structure. It is composed of a mix of iron oxides and iron oxi-hydroxides. Iron species were found in the vicinity of concrete mainly in cracks, as it was already observed in the literature.
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https://hal.insa-toulouse.fr/hal-02325526
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Submitted on : Tuesday, October 22, 2019 - 11:45:44 AM
Last modification on : Thursday, June 4, 2020 - 4:22:04 PM

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Rui Jin Zhang, Hui Lin Yang, Valérie L’hostis, Arnaud Castel, Raoul Francois. Characterization of Steel/Concrete Interface for a Long-Term Corroded Beam Stored in Chloride Environment. Advanced Materials Research, Trans Tech Publications, 2010, 163-167, pp.3415-3420. ⟨10.4028/www.scientific.net/AMR.163-167.3415⟩. ⟨hal-02325526⟩

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