On-site transient analysis for the corrosion assessment of reinforced concrete

被引：29
|
作者：
Christodoulou, C. [1 ]
Goodier, C. I. [2 ]
Austin, S. A. [2 ]
Webb, J. [1 ]
Glass, G. [3 ]
机构：
[1] AECOM, Birmingham B4 6AT, W Midlands, England
[2] Univ Loughborough, Sch Civil & Bldg Engn, Loughborough LE11 3TU, Leics, England
[3] Univ Nottingham, Innovat Lab, Concrete Preservat Technol, Nottingham NG7 2TU, England
来源：
CORROSION SCIENCE | 2012年 / 62卷
基金：
英国工程与自然科学研究理事会;
关键词：
Concrete; Steel reinforced concrete; EIS; Polarisation; Cathodic protection; EQUIVALENT-CIRCUIT; STEEL; INTERFACE; SYSTEM; TIME;
D O I：
10.1016/j.corsci.2012.05.014
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A range of methods exist to assess the condition of steel reinforcement in concrete. The analysis of the transient response to a small perturbation has been employed successfully in laboratories to assess corrosion. This work examines a simplified method for the application of transient analysis to in situ reinforced concrete structures. The complex analysis has been simplified and undertaken with the use of common spreadsheet packages. The results illustrate that transient response analysis is a viable technique for use on site and appears to provide a more accurate representation of steel corrosion current densities at very low values than polarisation resistance. (C) 2012 Elsevier Ltd. All rights reserved.
引用
收藏
页码：176 / 183
页数：8
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