Chloride transport and microstructure of concrete with/without fly ash under atmospheric chloride condition

Jun Liu; Guangfeng Ou; Qiwen Qiu; Xiaochi Chen; Jing Hong; Feng Xing

doi:10.1016/j.conbuildmat.2017.04.018

Author(s)

Jun Liu
Guangfeng Ou
Xiaochi Chen
Jing Hong
Feng Xing

Related Research Unit(s)

Department of Architecture and Civil Engineering

Detail(s)

Original language	English
Pages (from-to)	493-501
Journal / Publication	Construction and Building Materials
Volume	146
Publication status	Published - 15 Aug 2017

Link(s)

DOI	DOI https://doi.org/10.1016/j.conbuildmat.2017.04.018 Final Published version
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Link to Scopus	https://www.scopus.com/record/display.uri?eid=2-s2.0-85018464458&origin=recordpage
Permanent Link	https://scholars.cityu.edu.hk/en/publications/publication(eb6e8d47-4dc6-40c1-b3d9-ff91894f41fc).html

Abstract

This paper presents a comprehensive investigation regarding the chloride transport and microstructure of plain concrete and fly ash blended concrete under atmospheric chloride environment. Experimental results demonstrate that all the free, bound, and total chlorides show a build-up of ion concentration in the chloride profile. A linear relationship between the total and free chloride content is observed. Both water-to-cement ratio and fly ash content have great impact on the chloride binding capacity and the chloride diffusion coefficient. Microscopic properties (e.g. morphology, pore size distribution, porosity) are evaluated for chloride-contaminated concrete, and their correlation with the chloride transport behavior is discussed.

Research Area(s)

Atmospheric chloride, Concrete, Durability, Fly ash, Microstructure, Transport property

Citation Format(s)

[ RIS ] [ BibTeX ]

Chloride transport and microstructure of concrete with/without fly ash under atmospheric chloride condition. / Liu, Jun; Ou, Guangfeng; Qiu, Qiwen et al.
In: Construction and Building Materials, Vol. 146, 15.08.2017, p. 493-501.

Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

Liu, J, Ou, G, Qiu, Q, Chen, X, Hong, J & Xing, F 2017, 'Chloride transport and microstructure of concrete with/without fly ash under atmospheric chloride condition', Construction and Building Materials, vol. 146, pp. 493-501. https://doi.org/10.1016/j.conbuildmat.2017.04.018

Liu, J., Ou, G., Qiu, Q., Chen, X., Hong, J., & Xing, F. (2017). Chloride transport and microstructure of concrete with/without fly ash under atmospheric chloride condition. Construction and Building Materials, 146, 493-501. https://doi.org/10.1016/j.conbuildmat.2017.04.018

Liu J, Ou G, Qiu Q, Chen X, Hong J, Xing F. Chloride transport and microstructure of concrete with/without fly ash under atmospheric chloride condition. Construction and Building Materials. 2017 Aug 15;146:493-501. doi: 10.1016/j.conbuildmat.2017.04.018

Liu, Jun ; Ou, Guangfeng ; Qiu, Qiwen et al. / Chloride transport and microstructure of concrete with/without fly ash under atmospheric chloride condition. In: Construction and Building Materials. 2017 ; Vol. 146. pp. 493-501.