Evaluation of Reinforced Concrete Structures by Means of a Novel Electrochemical Noise Corrosion Sensor

被引：5
作者：
Nieves-Mendoza, D.
Almeraya-Calderon, F.
Uruchurtu-Chavarin, J.
Martinez-Villafane, A.
Chacon-Nava, J.
Baltazar-Zamora, M.
Gaona-Tiburcio, C.
Menchaca, J. Laria
机构：
[1] Universidad Veracruzana, Facultad de Ingenieria Civil - Xalapa, Lomas del Estadio 91090 Xalapa, Veracruz, Circ. G. Aguirre Beltrán S/N
[2] Centro de Investigación en Materiales Avanzados, S.C., Grupo Corrosión, Chihuahua, Chih.
[3] Centro de Investigaciones de Ingeniería y Ciencias Aplicadas, Cuernavaca, Morelos
[4] Universidad Autónoma de Tamaulipas, Centro Universitario Tampico-Madero, Tampico, Tamaulipas
来源：
CORROSION | 2008年 / 64卷 / 12期
关键词：
corrosion sensors; electrochemical noise; guard ring; rebar corrosion; reinforced concrete;
D O I：
10.5006/1.3294407
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The present work describes the design and development of a new corrosion sensor to monitor reinforced concrete structures both under laboratory conditions. as well as for service structures in-situ. This corrosion sensor involves the use of electrochemical noise and guard ring techniques. To test and validate the sensor's overall performance. electrochemical noise measurements were recorded for a total of four reinforced concrete beams. half of which were immersed in top water, while the other half were in a 3.5% sodium chloride (NaCl) solution (both treatment levels involved an 18-month exposure period). The collected data were compared against polarization resistance (R) values recorded for commercial equipment. Some of the advantages of this electrochemical noise corrosion sensor are described and discussed.
引用
收藏
页码：920 / 928
页数：9
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