Investigation of the low-frequency stray current induced corrosion on reinforced concrete infrastructure in high-speed rail transit power supply system

被引：22

作者：

Han, Peng ^{[1
]}

Qiao, Guofu ^{[1
,2
,3
]}

Guo, Bingbing ^{[4
]}

Li, Dongsheng ^{[5
]}

Ou, Jinping ^{[1
]}

机构：

[1] Harbin Inst Technol, Sch Civil Engn, Harbin 150090, Peoples R China

[2] Harbin Inst Technol, Key Lab Smart Prevent & Mitigat Civil Engn Disast, Minist Ind & Informat Technol, Harbin 150090, Peoples R China

[3] Harbin Inst Technol, Key Lab Struct Dynam Behav & Control, Minist Educ, Harbin 150090, Peoples R China

[4] Xian Univ Architecture & Technol, Sch Civil Engn, Xian 710055, Peoples R China

[5] Dalian Univ Technol, Sch Civil Engn, Dalian 116024, Peoples R China

来源：

INTERNATIONAL JOURNAL OF ELECTRICAL POWER & ENERGY SYSTEMS | 2022年 / 134卷

关键词：

Stray current; Corrosion; Reinforced concrete infrastructure (RCI); Quasi-steady state; Oxygen; CATHODIC PROTECTION; CHLORIDE THRESHOLD; STEEL CORROSION; BEHAVIOR;

D O I：

10.1016/j.ijepes.2021.107436

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

High-speed electrified rail transit (HSERT) has been developed intensely worldwide. However, the reinforced concrete infrastructure (RCI), especially for the deck of viaducts, has the risk of stray current (SC) induced corrosion. The present research is dedicated to revealing the mechanism of low-frequency SC (LSC) induced corrosion and providing a scientific basis to ensure serviceability, sustainability and cycle-life performance design of RCI. Considering the spatial distribution and time consumption of oxygen as well as pore saturation of RCI, the mathematical model of LSC induced corrosion is established. Based on the fluctuations of oxygen concentration, the quasi-steady state is proposed. And the corrosion behaviors of RCI with different pore saturation subjected to LSC are compared systematically. The results of mathematical model are verified by the measurement of half-cell potential.

引用

页数：10

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