Microbial-induced Corrosion of Concrete: Mechanism, Influencing Factors, Evaluation Indices, and Proventive Techniques

被引：0

作者：

Gao L. ^{[1
]}

Ding R. ^{[1
]}

Yao Y. ^{[2
]}

Rong H. ^{[3
,4
,5
]}

Wang H. ^{[4
]}

Zhang L. ^{[3
]}

机构：

[1] School of Materials Science and Engineering, Shijiazhuang Tiedao University, Shijiazhuang

[2] China Building Materials Academy, Beijing

[3] School of Materials Science and Engineering, Tianjin Chengjian University, Tianjin

[4] Tianjin Key Laboratory of Civil Structure Protection and Reinforcement, Tianjin

[5] State Key Laboratory of High Performance Civil Engineering Materials, Nanjing

来源：

Rong, Hui (huirongtcu@126.com) | 2018年 / Cailiao Daobaoshe/ Materials Review卷 / 32期

关键词：

Concrete; Corrosion mechanism; Evaluation index; Influencing factors; Microbe;

D O I：

10.11896/j.issn.1005-023X.2018.03.022

中图分类号：

学科分类号：

摘要：

The microbial corrosion of concrete not only causes the calcium hydroxide in the concrete to react with the biogenic sulfuric acid formed by the microbial metabolism to form gypsum and ettringite, but also decomposes the C-S-H in the concrete to produce insoluble and non-cementation colloids, therefore the performance of concrete will be degradated gradually. The development of microbial corrosion, including the aspects of microbial corrosion mechanism, influencing factors (materials and environmental factors), evaluation index (corrosion rate, H2S absorption rate, chemical composition) and preventive techniques(concrete modification, protective coating and biological killing technique) of concrete are elaborated in this paper to raise the concern of domestic scho-lars on the microbial-induced corrosion of concrete. © 2018, Materials Review Magazine. All right reserved.

引用

页码：503 / 509

页数：6

共 51 条

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