Roads and Bridges - Drogi i Mosty
12, 2, 2013, 159-171

Evaluation of impermeability of concrete containing calcareous fly ash in respect to environmental media

Karolina Gibas Mail
Institute of Fundamental Technological Research Polish Academy of Sciences, Warsaw
Michał A. Glinicki Mail
Institute of Fundamental Technological Research Polish Academy of Sciences, Warsaw
Grzegorz Nowowiejski Mail
Hydrobudowa-1 Concrete Laboratory Limited Liability Company, Warsaw

Abstract

The paper presents the investigation of concrete resistance to penetration by liquid and gaseous environmental media. Calcareous fly ash obtained from Bełchatów Power Station was used as concrete additive. In the mix design a certain portion of binder (15% and 30%) was substituted with calcareous fly ash assuming the efficiency factors of 0.7 or 1.0. The tested parameters included the air permeability coefficient measured with Torrent method, the depth of water penetration under pressure and the coefficient of chloride ions migration measured with the rapid chloride migration test. It was established that the addition of calcareous fly ash resulted in the desired reduction of the value of a chloride migration coefficient while the effect on the permeability of water and air was similar to the effect it had on the compressive strength of concrete.

Keywords


air permeability, calcareous fly ash, chloride migration, compressive strength, fly ash processing, Torrent method, water permeability

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References


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Evaluation of impermeability of concrete containing calcareous fly ash in respect to environmental media

  
Gibas, Karolina; Glinicki, Michał A.; Nowowiejski, Grzegorz. Evaluation of impermeability of concrete containing calcareous fly ash in respect to environmental media. Roads and Bridges - Drogi i Mosty, [S.l.], v. 12, n. 2, p. 159-171 , feb. 2014. ISSN 2449-769X. Available at: <>. Date accessed: 28 Mar. 2024. doi:http://dx.doi.org/10.7409/rabdim.013.012.