A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Initiation Period of Corrosion by Chloride Ion in Cracked Concrete Structures
https://orcid.org/http://orcid.org/0000-0002-1261-9199
https://orcid.org/http://orcid.org/0000-0002-4334-0553
In the current regulations there is no clear indication about what is the limit of crack opening that can produce a decrease in the service life of reinforced concrete structures, in terms of the arrival of chlorides to the reinforcement and the initiation of corrosion. The crack becomes a preferential way of entry of aggressive agents, especially chlorides in solution. In this work, the transport of chlorides in cracked concrete is studied, obtaining the coefficients of stationary and non-stationary diffusion, the period of initiation of the corrosion, as well as the decrease of this according to the width of the crack. Concrete samples have been manufactured with different cement compositions that, after their conditioning, have been cracked by indirect traction test. The method includes natural and accelerated chloride transport tests, the latter by applying an electric current, according to current Spanish regulations.
Initiation Period of Corrosion by Chloride Ion in Cracked Concrete Structures
https://orcid.org/http://orcid.org/0000-0002-1261-9199
https://orcid.org/http://orcid.org/0000-0002-4334-0553
In the current regulations there is no clear indication about what is the limit of crack opening that can produce a decrease in the service life of reinforced concrete structures, in terms of the arrival of chlorides to the reinforcement and the initiation of corrosion. The crack becomes a preferential way of entry of aggressive agents, especially chlorides in solution. In this work, the transport of chlorides in cracked concrete is studied, obtaining the coefficients of stationary and non-stationary diffusion, the period of initiation of the corrosion, as well as the decrease of this according to the width of the crack. Concrete samples have been manufactured with different cement compositions that, after their conditioning, have been cracked by indirect traction test. The method includes natural and accelerated chloride transport tests, the latter by applying an electric current, according to current Spanish regulations.
Initiation Period of Corrosion by Chloride Ion in Cracked Concrete Structures
https://orcid.org/http://orcid.org/0000-0002-1261-9199
https://orcid.org/http://orcid.org/0000-0002-4334-0553
In the current regulations there is no clear indication about what is the limit of crack opening that can produce a decrease in the service life of reinforced concrete structures, in terms of the arrival of chlorides to the reinforcement and the initiation of corrosion. The crack becomes a preferential way of entry of aggressive agents, especially chlorides in solution. In this work, the transport of chlorides in cracked concrete is studied, obtaining the coefficients of stationary and non-stationary diffusion, the period of initiation of the corrosion, as well as the decrease of this according to the width of the crack. Concrete samples have been manufactured with different cement compositions that, after their conditioning, have been cracked by indirect traction test. The method includes natural and accelerated chloride transport tests, the latter by applying an electric current, according to current Spanish regulations.
Initiation Period of Corrosion by Chloride Ion in Cracked Concrete Structures
RILEM Bookseries
Kanavaris, Fragkoulis (editor) / Benboudjema, Farid (editor) / Azenha, Miguel (editor) / Torres, Julio (author) / Sánchez, Javier (author)
International RILEM Conference on Early-age and Long-term Cracking in RC Structures ; 2021 ; Paris, France
International RILEM Conference on Early-Age and Long-Term Cracking in RC Structures ; Chapter: 10 ; 115-126
RILEM Bookseries ; 31
2021-05-19
12 pages
Article/Chapter (Book)
Electronic Resource
English
Corrosion initiation and propagation in cracked concrete – a literature review
| Springer Verlag | 2011
Chloride penetration into cracked concrete
| British Library Conference Proceedings | 1997
Chloride Diffusivity in Cracked Concrete
| British Library Conference Proceedings | 2011