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Redistribution of chloride in blended cement concrete during storage in various climates

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Author: Polder, R.B. · Visser, J.H.M.
Institution: TNO Bouw
Source:3rd RILEM International Workshop on Testing and Modeling Chloride Ingress into Concrete, Madrid, Spain, 9-10 September, 1-13
Identifier: 330435
Keywords: Architecture and Building


Concrete specimens with various binders including Portland cement, fly ash, blast furnace slag and composite cement and three water-to-cement ratios were subjected to cyclic wetting with salt solution and drying. After salt loading for half a year, chloride profiles were determined. Subsequently, chloride loading was discontinued and specimens were exposed for two years in various climates (20°C 80%RH, outside, fog room). The chloride distribution was measured at the end of the exposure period. Concrete resistivities were measured using embedded electrodes.