A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Developing chloride resisting concrete using PFA
PFA (pulverized fuel ash) concrete mixes were designed to optimise resistance to chloride ingress. Chloride binding capacity, intrinsic permeability and their concomitant influence on the coefficient of chloride diffusion have been investigated. PFA replacements up to 67 % and exposure concentrations of 0.1 mole/litre, 0.5 mole/litre, 1.0 mole/litre and 5.0 mole/litre were used. Chloride binding capacity was found to increase with increasing PFA replacement up to 50 % and to then decline. It increased with chloride exposure concentration as well as water/binder ratio. The coefficient of chloride diffusion of concrete samples was found to be dependent on both the intrinsic permeability of the concrete and the ability of its cement matrix to bind chlorides.
Developing chloride resisting concrete using PFA
PFA (pulverized fuel ash) concrete mixes were designed to optimise resistance to chloride ingress. Chloride binding capacity, intrinsic permeability and their concomitant influence on the coefficient of chloride diffusion have been investigated. PFA replacements up to 67 % and exposure concentrations of 0.1 mole/litre, 0.5 mole/litre, 1.0 mole/litre and 5.0 mole/litre were used. Chloride binding capacity was found to increase with increasing PFA replacement up to 50 % and to then decline. It increased with chloride exposure concentration as well as water/binder ratio. The coefficient of chloride diffusion of concrete samples was found to be dependent on both the intrinsic permeability of the concrete and the ability of its cement matrix to bind chlorides.
Developing chloride resisting concrete using PFA
Entwicklung von chloridbeständigen Betonen durch Verwendung von Flugasche
Dhir, R.K. (author) / El-Mohr, M.A.K. (author) / Dyer, T.D. (author)
Cement and Concrete Research ; 27 ; 1633-1639
1997
7 Seiten, 5 Bilder, 1 Tabelle, 15 Quellen
Article (Journal)
English
Developing Chloride Resisting Concrete Using PFA
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