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

被引：2

作者：

Zhang, Ruijin ^{[1
]}

Yang, Huilin ^{[1
]}

L'Hostis, Valerie ^{[2
]}

Castel, Arnaud ^{[3
]}

Francois, Raoul ^{[3
]}

机构：

[1] Northeastern Univ, Modern Design & Anal Res Inst, Shenyang 110819, Peoples R China

[2] DEN DPC SCCME LECBA, CEA Saclay, Gif Sur Yvette 91191, France

[3] Univ Toulouse, UPS 47, INSA, LMDC, Toulouse 31077, France

来源：

ADVANCES IN STRUCTURES, PTS 1-5 | 2011年 / 163-167卷

关键词：

Concrete; Reinforcement; Chloride; Corrosion; Interface; CORROSION; CONCRETE;

D O I：

10.4028/www.scientific.net/AMR.163-167.3415

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

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.

引用

页码：3415 / 3420

页数：6

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