期刊
STRUCTURE AND INFRASTRUCTURE ENGINEERING
卷 16, 期 2, 页码 346-354出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/15732479.2019.1655072
关键词
Reinforced concrete; corrosion diagnosis; exposure zones; data analysis; non-destructive testing; electrical resistivity; marine structures
资金
- Departement de la Charente-Maritime
- SIXENSE Concrete
In marine environments structures are subjected to a variety of environmental conditions which govern the degradation processes. For reinforced concrete structures these degradation processes (chloride ingress and corrosion) are driven by the availability of oxygen and humidity. Due to the random process of tidal movements it is difficult to determine the spatial boundaries of the major exposure zones related to reinforcement corrosion, namely tidal, splash and atmospheric. In this paper a method is proposed to assess these zones from the interpretation of corrosion potential and resistivity data obtained from on-site measurements performed on reinforced concrete structures in marine environment. A database has been established using measurement results from several piers of the ile de Re bridge in France. The robustness of the method was studied considering various climatic conditions representative of the seasons in the West Atlantic coast of Europe.
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