Corrosion prediction using the weight loss model in the sewer pipes made from sulfur and cement concretes and Response Surface Methodology (RSM)

被引：31

作者：

Sabour, Mohammadreza ^{[1
]}

Dezvareh, Ghorbanali ^{[2
,3
]}

Bazzazzadeh, Roya ^{[4
]}

机构：

[1] KN Toosi Univ Technol, Fac Civil Engn, Tehran, Iran

[2] KN Toosi Univ Technol, Tehran, Iran

[3] KN Toosi Univ Technol, Civil Engn Fac, Mirdamad Intersect, 1346 Valiasr St, Tehran, Iran

[4] Coll Environm, Fac Environm Sci, Tehran, Iran

来源：

CONSTRUCTION AND BUILDING MATERIALS | 2019年 / 199卷

关键词：

Sulfur concrete; Biological corrosion; Sewer pipes; Weight loss; Thiobacillus thiooxidans; SULFIDE; IRON;

D O I：

10.1016/j.conbuildmat.2018.11.283

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

Corrosion of concrete sewer pipes is one of the most serious problems in sewerage works today. This paper describes a new procedure for testing two types of concrete, namely Cement Concrete (CC) and Sulfur Concrete (SC), under the severe chemical and biological conditions. To this aim, two kinds of experiments were performed: 1) in situ experiments on sewer concrete pipes; and 2) in vitro experiments on cubic specimens. Thiobacillus thiooxidans bacterium was selected for performing in vitro biological experiments. Weight loss measurement of samples was used as an indicator for corrosion behavior. The results showed that SC was considerably resistant to severe acid attacks (chemical corrosion) in comparison with CC but less resistant to microbial corrosion attacks. (C) 2018 Elsevier Ltd. All rights reserved.

引用

页码：40 / 49

页数：10

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