Embedded sensors for the corrosion monitoring and control in marine structures

Title: Embedded sensors for the corrosion monitoring and control in marine structures
Author(s): C. Andrade, J. Fullea, N. Rebolledo, A. Castillo, F Jimenez, J.A. Bolaño, J.J.Muñoz, J. Millan, J.M Alvarez
Paper category : conference
Book title: International RILEM Conference on Advances in Construction Materials Through Science and Engineering
Editor(s): Christopher Leung and K.T. WAN
ISBN: 978-2-35158-116-2
e-ISBN: 978-2-35158-117-9
Publisher: RILEM Publications SARL
Publication year: 2011
Pages: 640 - 646
Total Pages: 7
Nb references: 4
Language: English

Abstract: Reinforcement corrosion induces several structural damages which affect the serviceability and the safety of concrete structures. The use of sensors can help to control and optimize the life cycle and indicate the best time to undertake repair at the lower cost. Monitoring by embedded is not a new technology as there are an increasing number of concrete structures that are being monitored. However, results are scarce on the interpretation of the values obtained due the difficulty to link them to the climatic changes in temperature and humidity. On the parameters to be monitored and evaluated, temperature and corrosion potential are the most common although there are other which are also very important regarding the prediction of future durability. Thus, strains, concrete resistivity (liquid water content) and corrosion rate seems also necessary to be monitored if accurate predictions are necessary.
In present paper, an example of a marine structure, the super-harbour of Langosteira in La Coruña is presented in order to illustrate the difficulties of placing electrodes and equipments in during the fabrication of the structures. A central unit able to collect powered by batteries has been developed the data are transmitted via radio and shown in a web site were the data will be analyzed and introduced in models of service life

Online publication: 2011-10-31
Publication type : full_text
Public price (Euros): 0.00

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