Chloride penetration dependency on freeze-thaw testing cycles

Miguel Ferreira, Hannele Kuosa, Markku Leivo, Lasse Makkonen, D. Lange

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

Abstract

Concrete research is focusing ever more on the combined effect of degradation mechanisms on the durability of reinforced concrete structures. While most of the research has been directed at combined carbonation and chloride penetration, recently some attention has been given to emulate combined degradation conditions, especially those existing in Nordic countries (frost attack/chloride penetration), with regards to the harsh environmental conditions. Frost attack of concrete effects the chloride penetration by reducing the concrete cover, and more importantly, by changing the characteristics of the surface and internal concrete due to cracking. Recent research has shown there to be a synergetic effect, but no steps have been taken to characterize and comprehend the mechanisms involved, and to develop a procedure to make it possible to transfer this knowledge to the industry and into practise. As part of an ongoing research progress addressing this need, series of tests were undertaken to ascertain what influence freeze-thaw cycles would have on the transport of chlorides into concrete. In this paper the, the preliminary result of this research project are presented.
Original languageEnglish
Title of host publicationProceedings of the 13th International Conference on Building Materials and Components, XIII DBMC
Pages1126-1133
Publication statusPublished - 2014
MoE publication typeA4 Article in a conference publication
Event13th Internatinal Conference on Building Materials and Components, XIII DBMC - Sao Paulo, Brazil
Duration: 2 Sep 20145 Sep 2014
Conference number: 13

Conference

Conference13th Internatinal Conference on Building Materials and Components, XIII DBMC
Abbreviated titleXIII DBMC
CountryBrazil
CitySao Paulo
Period2/09/145/09/14

Fingerprint

Concretes
Testing
Degradation
Carbonation
Concrete construction
Reinforced concrete
Durability
Industry

Keywords

  • concrete
  • durability
  • chlorides
  • freeze-thaw
  • frost attack
  • service life
  • deterioration

Cite this

Ferreira, M., Kuosa, H., Leivo, M., Makkonen, L., & Lange, D. (2014). Chloride penetration dependency on freeze-thaw testing cycles. In Proceedings of the 13th International Conference on Building Materials and Components, XIII DBMC (pp. 1126-1133)
Ferreira, Miguel ; Kuosa, Hannele ; Leivo, Markku ; Makkonen, Lasse ; Lange, D. / Chloride penetration dependency on freeze-thaw testing cycles. Proceedings of the 13th International Conference on Building Materials and Components, XIII DBMC. 2014. pp. 1126-1133
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Ferreira, M, Kuosa, H, Leivo, M, Makkonen, L & Lange, D 2014, Chloride penetration dependency on freeze-thaw testing cycles. in Proceedings of the 13th International Conference on Building Materials and Components, XIII DBMC. pp. 1126-1133, 13th Internatinal Conference on Building Materials and Components, XIII DBMC, Sao Paulo, Brazil, 2/09/14.

Chloride penetration dependency on freeze-thaw testing cycles. / Ferreira, Miguel; Kuosa, Hannele; Leivo, Markku; Makkonen, Lasse; Lange, D.

Proceedings of the 13th International Conference on Building Materials and Components, XIII DBMC. 2014. p. 1126-1133.

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

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AB - Concrete research is focusing ever more on the combined effect of degradation mechanisms on the durability of reinforced concrete structures. While most of the research has been directed at combined carbonation and chloride penetration, recently some attention has been given to emulate combined degradation conditions, especially those existing in Nordic countries (frost attack/chloride penetration), with regards to the harsh environmental conditions. Frost attack of concrete effects the chloride penetration by reducing the concrete cover, and more importantly, by changing the characteristics of the surface and internal concrete due to cracking. Recent research has shown there to be a synergetic effect, but no steps have been taken to characterize and comprehend the mechanisms involved, and to develop a procedure to make it possible to transfer this knowledge to the industry and into practise. As part of an ongoing research progress addressing this need, series of tests were undertaken to ascertain what influence freeze-thaw cycles would have on the transport of chlorides into concrete. In this paper the, the preliminary result of this research project are presented.

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Ferreira M, Kuosa H, Leivo M, Makkonen L, Lange D. Chloride penetration dependency on freeze-thaw testing cycles. In Proceedings of the 13th International Conference on Building Materials and Components, XIII DBMC. 2014. p. 1126-1133