NMR relaxometry study of cement hydration in the presence of different oxidic fine fraction materials |
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Authors: | Nestle Nikolaus |
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Affiliation: | Institute of Solid State Physics, Technical University of Darmstadt, Hochschulstrasse 6, D-64289, Germany. nikolaus.nestle@physik.tu-darmstadt.de |
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Abstract: | NMR relaxometry has been applied to study hydrating cements for about 25 years now. The most important advantage over other experimental approaches is the possibility to conduct non-destructive measurements with a time resolution of minutes. NMR relaxometry data thus can help to identify details in the time course of cement hydration that possibly would be overlooked in other experiments with lower temporal resolution. Time-resolved information on cement hydration kinetics can provide interesting insights into the impact of oxidic additive materials on cement hydration. For PbO, a very strong delay was observed which then was systematically studied. An explanation for this delay is suggested. |
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