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Better Understanding of Tide’s Influence on Half-cell Potential Measurements for Reinforced Concrete in Marine Environment

 Better Understanding of Tide’s Influence on Half-cell Potential Measurements for Reinforced Concrete in Marine Environment
Auteur(s): , , , ,
Présenté pendant IABSE Symposium: Tomorrow’s Megastructures, Nantes, France, 19-21 September 2018, publié dans , pp. S24-73
DOI: 10.2749/nantes.2018.s24-73
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Main damage occurring on reinforced concrete (RC) structures can be attributed to the corrosion of the rebar. Chloride ions penetration and/or carbonation, as major causes of RC corrosion, are well...
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Détails bibliographiques

Auteur(s): (SIXENSE Concrete, Agence Ouest, F44115 Haute-Goulaine, France)
(Université Bretagne Loire, IFSTTAR, MAST, SMC, F44344 Bouguenais, France)
(Université Paris-Est, MAST, EMGCU, IFSTTAR, 77447 Marne-la-Vallée, France)
(Université Bretagne Loire, Université de Nantes, GeM, UMR CNRS 6183, Research Institute in Civil Engineering and Mechanics, France, IUML FR CNRS 3473, Sea and Littoral research Institute, Nantes, France)
(Cerema Ouest, F22015 Saint-Brieuc, France)
(Cerema Ile-de-France, F77171 Sourdun, France)
Médium: papier de conférence
Langue(s): anglais
Conférence: IABSE Symposium: Tomorrow’s Megastructures, Nantes, France, 19-21 September 2018
Publié dans:
Page(s): S24-73 Nombre total de pages (du PDF): 6
Page(s): S24-73
Nombre total de pages (du PDF): 6
DOI: 10.2749/nantes.2018.s24-73
Abstrait:

Main damage occurring on reinforced concrete (RC) structures can be attributed to the corrosion of the rebar. Chloride ions penetration and/or carbonation, as major causes of RC corrosion, are well understood for onshore structures. When dealing with structures in marine environment, more parameters must be considered, as the different exposure zones (tidal, splash and atmospheric) will have a significant influence on the corrosion behavior.

This article deals with the corrosion diagnosis of the piers of the ile de Ré bridge. The objective is to provide an effective method to identify the different exposure zones based on the non-destructive measurements (half-cell potential) that are modelled taking into account the influence of the tide.

Mots-clé:
pont