Development of an embeddable sensor to monitor the corrosion process of new and existing reinforced concrete structures

被引：92
|
作者：
Duffo, Gustavo S. [1 ,2 ,3 ]
Farina, Silvia B. [2 ,3 ]
机构：
[1] Comis Nacl Energia Atom, Ctr Atom Constituyentes, RA-1650 Buenos Aires, DF, Argentina
[2] Consejo Nacl Invest Cient & Tecn, RA-1650 Buenos Aires, DF, Argentina
[3] Univ Nacl Gral San Martin, RA-1650 Buenos Aires, DF, Argentina
来源：
CONSTRUCTION AND BUILDING MATERIALS | 2009年 / 23卷 / 08期
关键词：
Concrete structures; Reinforcement corrosion; Monitoring; Sensors; REFERENCE ELECTRODES; STEEL; SYSTEM; OXYGEN;
D O I：
10.1016/j.conbuildmat.2009.04.001
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
An integrated and cost-effective sensor system to monitor the state of reinforced concrete structures from the corrosion point of view was developed. The sensor provides measurements of the open circuit potential of rebars, the corrosion current density of rebars, the electrical resistivity of concrete, the availability of oxygen, the chloride ions concentration in concrete, and the temperature inside the structure. The integrated system consists of different electrodes embedded in concrete and a software system that acquires and analyses the data. The results obtained so far show the capabilities of this type of sensor to determine the corrosion state of existing as well as new concrete structures. (C) 2009 Elsevier Ltd. All rights reserved.
引用
收藏
页码：2746 / 2751
页数：6
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