A simplified probabilistic model for the combined action of carbonation and chloride ingress-Reference-Cited by-同舟云学术

A simplified probabilistic model for the combined action of carbonation and chloride ingress

Published:2019-04 Issue:7 Volume:71 Page:327-340
ISSN:0024-9831
Container-title:Magazine of Concrete Research
language:en
Short-container-title:Magazine of Concrete Research

Author:

Zhu Xingji¹^ORCID,Zi Goangseup²^ORCID,Sun Lianfang³,You Ilhwan³

Affiliation:

1. Assistant Professor, Department of Civil Engineering, Harbin Institute of Technology at Weihai, Weihai, PR China

2. Professor, School of Civil, Environmental & Architectural Engineering, Korea University, Sung-Buk Gu, Seoul, Republic of Korea; College of Pipeline and Civil Engineering, China University of Petroleum (East China), Qingdao, PR China (corresponding author: )

3. PhD candidate, School of Civil, Environmental & Architectural Engineering, Korea University, Seoul, Republic of Korea

Abstract

This paper presents an improved numerical model for the reliability analysis of corrosion initiation due to the combined action of carbonation and chloride ingress. The coupled mechanism of carbon dioxide, chloride ions, heat and moisture is considered in the model. The probability of corrosion initiation is evaluated by means of a single limit state function in which the critical concentration of chloride ions depends on the degree of carbonation. In addition, the coupled diffusion coefficients are interpolated linearly depending on the degree of carbonation in order to simplify the structure of the model without compromising accuracy.

Publisher

Thomas Telford Ltd.

Subject

General Materials Science,Building and Construction,Civil and Structural Engineering

Link

https://www.icevirtuallibrary.com/doi/pdf/10.1680/jmacr.18.00140

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2. Exposure of mortars to cyclic chloride ingress and carbonation

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