Galvanic Sensor for Reinforced Concrete Structures Using Stainless Steel Bars
Carlos Henrique Feijăo, Elton Bauer, NOVACAP, Brasília, DF, Brasil
ABSTRACT The search for the knowledge of the corrosion mechanism in reinforced concrete structures, as well as methods to monitor the process, helping to increase the useful life of the structures, it comes being one of the great challenges of the engineering in the last years, since that the corrosion can be the cause of great capital losses of a country. This work is about a type of corrosion sensor embedded in the concrete, that it can aid in the diagnosis and prevention of the corrosion, besides could be good as an indicator for the success or not of repairs executed in structures that already suffered corrosion processes. The sensor is based on a model proposed by Schiessl and Raupach, using the galvanic current technique of mensuration, even so using common materials and in a different electrodes disposition. This work intends to evaluate problems with the carbonation and chloride penetration in the concrete.
Publication Source: NDTISS '99 - International Symposium on NDT Contribution to the Infrastructure Safety Systems, Nov 1999 in Tores Brazil.
Publisher: Center of Tecnology, Federal University of Santa Maria (UFSM) - [Homepage]
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