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Use of Extra Coating Thickness on Epoxy-Coated Bars in Concrete Deck Replacement

 Use of Extra Coating Thickness on Epoxy-Coated Bars in Concrete Deck Replacement
Auteur(s): , ,
Présenté pendant IABSE Symposium: Engineering the Future, Vancouver, Canada, 21-23 September 2017, publié dans , pp. 904-911
DOI: 10.2749/vancouver.2017.0904
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Current standard specification for epoxy-coated steel reinforcing bars (ASTM A775/A775M) allows coating thicknesses between 175 to 400 µm. This paper presents an experimental program conducted to e...
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Détails bibliographiques

Auteur(s): (Purdue University, West-Lafayette, IN, USA)
(Purdue University, West-Lafayette, IN, USA)
(Purdue University, West-Lafayette, IN, USA)
Médium: papier de conférence
Langue(s): anglais
Conférence: IABSE Symposium: Engineering the Future, Vancouver, Canada, 21-23 September 2017
Publié dans:
Page(s): 904-911 Nombre total de pages (du PDF): 8
Page(s): 904-911
Nombre total de pages (du PDF): 8
Année: 2017
DOI: 10.2749/vancouver.2017.0904
Abstrait:

Current standard specification for epoxy-coated steel reinforcing bars (ASTM A775/A775M) allows coating thicknesses between 175 to 400 µm. This paper presents an experimental program conducted to evaluate the bond performance in normal-weight concrete of epoxy-coated bars with coating thickness up to 460 µm. Two different bar sizes were investigated, No. 16 and No. 29 bars. Single splices as well as splices of bundled bars were evaluated in the experimental program. The results of the study were implemented in the form of design recommendations for bond of epoxy-coated bars with thicker coatings. The goal is to enhance the future sustainability of concrete bridges by improving the performance of epoxy-coated bars as a corrosion protection system.

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