Utilisation of electrical resistance method for the evaluation of the state of steel reinforcement in concrete and the rate of its corrosion |
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| Affiliation: | 2. University of Cincinnati, Cincinnati, OH, USA;1. State Key Laboratory for Strength and Vibration of Mechanical Structures, Shaanxi Engineering Research Center of NDT and Structural Integrity Evaluation, School of Aerospace, Xi’an Jiaotong University, ShaanXi, Xi’an 710049, China;2. AECC Shanghai Commercial Aircraft Manufacturing Co., Ltd., Shanghai, China;1. School of Advanced Materials Science & Engineering, Sungkyunkwan University, 16419, Republic of Korea;2. Dept. of Architectural Engineering, Hanyang University, Sangnok-gu, Ansan, Gyeonggi-do, Republic of Korea;3. Korea Electronics Technology Institute, Gyeonggi 13488, Republic of Korea;4. Dept. of Civil and Environmental Engineering, Hannam University, Daejeon 306-791, Republic of Korea |
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| Abstract: | In this paper, the applications of an electrical resistance method for monitoring of the state of steel reinforcement in concrete and its rate have been described. The following possibilities of the method were shown: an estimation of quantitative data on corroding steel reinforcement, including the values of a cross-sectional decrease, the depth of the corroded layer, the mass loss of steel material due to corrosion; the possibility of the mathematical modelling of the dependence of the rate of steel reinforcement on important factors like ambient relative humidity, concentration of chloride in embedding concrete and others; and obtaining quantitative data on corroding steel reinforcement by means of a potentiodynamic method through the results of the electrical resistance method and the related mathematical relationship. |
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