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@article{e911c65858cb4324b5f173cff9a5e4d1,
title = "The influence of defects at the steel/concrete interface for chloride-induced pitting corrosion of naturally-deteriorated 20-years-old specimens studied through X-ray Computed Tomography",
abstract = "Although reinforcement corrosion is a well-known issue, which are the locations of the steel/concrete interface most sensitive to pitting corrosion is still an unclear issue. In this study, X-ray computed tomography is used to characterize eight 20-years-old reinforced concrete cores naturally deteriorated due to chloride-induced corrosion. The deepest and most frequent corrosion pits were observed at the portion of the reinforcement oriented to the outdoor environment and in proximity to interfacial air voids. Therefore, the presence of interfacial air voids should be considered as a relevant factor when assessing the risk of corrosion of reinforced concrete structures.",
keywords = "Reinforced-concrete, Reinforcement corrosion, Steel-concrete interface, X-ray computed tomography",
author = "Emanuele Rossi and Rob Polder and Oguzhan Copuroglu and Timo Nijland and Branko Šavija",
note = "Accepted Author Manuscript",
year = "2020",
doi = "10.1016/j.conbuildmat.2019.117474",
language = "English",
volume = "235",
journal = "Construction and Building Materials",
issn = "0950-0618",
publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - The influence of defects at the steel/concrete interface for chloride-induced pitting corrosion of naturally-deteriorated 20-years-old specimens studied through X-ray Computed Tomography

AU - Rossi, Emanuele

AU - Polder, Rob

AU - Copuroglu, Oguzhan

AU - Nijland, Timo

AU - Šavija, Branko

N1 - Accepted Author Manuscript

PY - 2020

Y1 - 2020

N2 - Although reinforcement corrosion is a well-known issue, which are the locations of the steel/concrete interface most sensitive to pitting corrosion is still an unclear issue. In this study, X-ray computed tomography is used to characterize eight 20-years-old reinforced concrete cores naturally deteriorated due to chloride-induced corrosion. The deepest and most frequent corrosion pits were observed at the portion of the reinforcement oriented to the outdoor environment and in proximity to interfacial air voids. Therefore, the presence of interfacial air voids should be considered as a relevant factor when assessing the risk of corrosion of reinforced concrete structures.

AB - Although reinforcement corrosion is a well-known issue, which are the locations of the steel/concrete interface most sensitive to pitting corrosion is still an unclear issue. In this study, X-ray computed tomography is used to characterize eight 20-years-old reinforced concrete cores naturally deteriorated due to chloride-induced corrosion. The deepest and most frequent corrosion pits were observed at the portion of the reinforcement oriented to the outdoor environment and in proximity to interfacial air voids. Therefore, the presence of interfacial air voids should be considered as a relevant factor when assessing the risk of corrosion of reinforced concrete structures.

KW - Reinforced-concrete

KW - Reinforcement corrosion

KW - Steel-concrete interface

KW - X-ray computed tomography

UR - http://www.scopus.com/inward/record.url?scp=85074722861&partnerID=8YFLogxK

U2 - 10.1016/j.conbuildmat.2019.117474

DO - 10.1016/j.conbuildmat.2019.117474

M3 - Article

VL - 235

JO - Construction and Building Materials

T2 - Construction and Building Materials

JF - Construction and Building Materials

SN - 0950-0618

M1 - 117474

ER -

ID: 68311696