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Naji, M. |
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Motta, Antonella |
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Aletan, Dirar |
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Mohamed, Tarek |
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Ertürk, Emre |
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Taccardi, Nicola |
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Kononenko, Denys |
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Petrov, R. H. | Madrid |
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Alshaaer, Mazen | Brussels |
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Bih, L. |
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Casati, R. |
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Muller, Hermance |
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Kočí, Jan | Prague |
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Šuljagić, Marija |
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Kalteremidou, Kalliopi-Artemi | Brussels |
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Azam, Siraj |
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Ospanova, Alyiya |
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Blanpain, Bart |
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Ali, M. A. |
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Popa, V. |
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Rančić, M. |
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Ollier, Nadège |
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Azevedo, Nuno Monteiro |
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Landes, Michael |
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Rignanese, Gian-Marco |
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Hasholt, Marianne Tange
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (14/14 displayed)
- 2024Towards Extending the Range of Supplementary Cementitious Materials in ASR Regulations
- 2024Laboratory and field investigations of alkali-silica reaction prevention by supplementary cementitious materials:Influence of the free alkali loadingcitations
- 2023Pore solution alkalinity of cement paste as determined by Cold Water Extractioncitations
- 2023Pore solution alkalinity of cement paste as determined by Cold Water Extractioncitations
- 2023Relationship between Chloride Migration, Bulk Electrical Conductivity and Formation Factor of Blended Cement Pastescitations
- 2023Cold Water Extraction for determination of the free alkali metal content in blended cement pastescitations
- 2023Cold Water Extraction for determination of the free alkali metal content in blended cement pastescitations
- 2022Predicting the effect of SCMs on ASR in the accelerated mortar bar test with artificial neural networks
- 2022Predicting the effect of SCMs on ASR in the accelerated mortar bar test with artificial neural networks
- 2022Nordic Concrete Research workshop: “Accelerated freeze-thaw testing of concrete”, Lyngby, 20<sup>th</sup> April 2022citations
- 2020Air void analysis of hardened concrete without colour enhancementcitations
- 2016Frost damage of concrete subject to confinement
- 2015Superabsorbent Polymers as a Means of Improving Frost Resistance of Concretecitations
- 2005The effect of form pressure on the air void structure of SCC
Places of action
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article
Relationship between Chloride Migration, Bulk Electrical Conductivity and Formation Factor of Blended Cement Pastes
Abstract
This study investigates the links between the non-steady-state chloride migration coefficient, the bulk electrical conductivity and the formation factor of blended cement paste specimens. 18 different binders were tested: two Portland cements (low- and high-alkali) in combination with limestone filler, fly ash, calcined clay, two biomass ashes, sewage sludge ash and crushed brick, as well as two Portland composite cements. In addition, the latter and the low-alkali Portland cement were tested in concrete as well for comparison.Mixes with high-alkali cement showed better resistance to chloride transport, and the effect of supplementary cementitious materials was found to be strongly linked with their reactivity. Moreover, the results showed a clear correlation of the migration coefficient with the bulk electrical conductivity and, to a lesser extent, with the formation factor. However, these relationships are strongly influenced by the methods used to determine conductivities and they need to be validated for higher maturities. Finally, the results suggested a fairly good correspondence between the results obtained on paste and concrete.