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Journal Articles Revue Européenne de Génie Civil Year : 2007

Corrosion diagnosis of reinforced concrete beams after 40 years exposure in marine environment by non destructive tools

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Abstract

This paper describes the detailed experimental program of the French national project “benchmark des poutres de la Rance”. It presents a corrosion diagnosis of prestressed beams after 40 years exposure in natural marine environment. It includes results from non destructive testing tools, complementary laboratory tests and destructive analyses. This project will provide a large database on the corrosion state of reinforced concrete beams after 40 years exposure in a marine environment (mechanical, electrochemical and physico-chemical properties) and will allow studying the sensitivity of NDT tools to evaluate corrosion risk within reinforced concrete structures. These results will be given to the modellers in order to complete their test conditions in the framework of the validation of mechanical models.
Cet article decrit le programme experimental mis en place dans le cadre du Benchmark des poutres de la Rance. Il presente le diagnostic vis-a-vis de la corrosion de poutres en beton precontraint ayant sejourne 40 ans en environnement marin. Ce papier inclut les resultats issus des techniques d-auscultation non destructive, les tests complementaires en laboratoire et les analyses destructives. Ce projet permet de beneficier d-une large banque de donnees sur l-etat de corrosion des poutres apres 40 annees (mecanique, electrochimiques et proprietes physico-chimiques) et d-apprecier la sensibilite des techniques non destructives pour evaluer des risques de corrosion au sein de structures en beton precontraint. Ces resultats sont fournis aux equipes de modelisation afin de completer leurs conditions de tests en vue de la validation des modeles de comportement mecanique.
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Dates and versions

cea-02355765 , version 1 (02-12-2019)

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Olivier Poupard, Valerie L'Hostis, Véronique Bouteiller, Bruno Capra, Sandrine Catinaud, et al.. Corrosion diagnosis of reinforced concrete beams after 40 years exposure in marine environment by non destructive tools. Revue Européenne de Génie Civil, 2007, Benchmark des poutres de la Rance, 11 (1-2), pp.35-54. ⟨10.1080/17747120.2007.9692921⟩. ⟨cea-02355765⟩
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