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

Zhu Xingji; Zi Goangseup; Sun Lianfang; You Ilhwan

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

机译：碳酸化和氯化物进入的联合作用的简化概率模型

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摘要

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.

机译：本文提出了一种改进的数值模型，用于分析由于碳化和氯化物进入共同作用而引起的腐蚀开始的可靠性。该模型考虑了二氧化碳，氯离子，热量和水分的耦合机理。通过单个极限状态函数评估腐蚀发生的可能性，其中氯离子的临界浓度取决于碳酸化程度。此外，耦合扩散系数根据碳酸化程度进行线性内插，以简化模型的结构而不影响精度。

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来源
《Magazine of Concrete Research》 |2019年第8期|327-340|共14页
作者
Zhu Xingji; Zi Goangseup; Sun Lianfang; You Ilhwan;
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作者单位

Harbin Inst Technol Weihai, Dept Civil Engn, Weihai, Peoples R China;

Korea Univ, Sch Civil Environm & Architectural Engn, Seoul, South Korea|China Univ Petr East China, Coll Pipeline & Civil Engn, Qingdao, Peoples R China;

Korea Univ, Sch Civil Environm & Architectural Engn, Seoul, South Korea;

Korea Univ, Sch Civil Environm & Architectural Engn, Seoul, South Korea;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类
关键词
carbonation; cement; cementitious materials; durability-related properties;

机译：碳化;水泥;胶结材料;耐久性相关性能;

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1. Probabilistic analysis of reinforcement corrosion due to the combined action of carbonation and chloride ingress in concrete [J] . Zhu Xingji, Zi Goangseup, Lee Wonwoo, Construction and Building Materials . 2016,第OCTa15期

机译：碳化和氯化物混入混凝土作用下钢筋锈蚀的概率分析
2. Influence of combined carbonation and chloride ingress regimes on rate of ingress and redistribution of chlorides in concretes [J] . Wang Y., Nanukuttan S., Bai Y., Construction and Building Materials . 2017,第JUNa1期

机译：碳化和氯化物结合进入制度对混凝土中氯化物进入和再分布速率的影响
3. Interest of using a model combining carbonation/chloride ingress and depassivation to better anticipate the rehabilitation of concrete structures [J] . Schmitt Lucie, Mai-Nhu Jonathan, Duprat Frédéric, MATEC Web of Conferences . 2018,第期

机译：使用模型结合碳酸/氯化物进入和Depassivation来更好地预期混凝土结构的康复的兴趣
4. Interactions between chloride ingress and carbonation in cementitious materials [C] . Saillio M, Barberon F, Baroghel-Bouny V International Congress on the Chemistry of Cement . 2011

机译：氯化物进入与水泥材料碳酸化之间的相互作用
5. Experimental and modeling study of chloride ingress into concrete and reinforcement corrosion initiation [D] . Yu, Hui 2007

机译：氯离子渗入混凝土和钢筋腐蚀引发的实验和模型研究
6. PCVMZM: Using the Probabilistic Classification Vector Machines Model Combined with a Zernike Moments Descriptor to Predict Protein–Protein Interactions from Protein Sequences [O] . Yanbin Wang, Zhuhong You, Xiao Li, 2017

机译：PCVMZM：使用概率分类向量机模型结合Zernike矩描述符来预测蛋白质序列中的蛋白质与蛋白质相互作用
7. Influence of combined carbonation and chloride ingress regimes on rate of ingress and redistribution of chlorides in concretes [O] . Wang Y., Nanukuttan S., Bai Y., 2017

机译：碳化和氯化物结合进入制度对混凝土中氯化物进入和再分布速率的影响

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

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