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Use of emanation thermal analysis to characterize microstructure development during Portland cement hydration |
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| Authors: | V. Balek J. Bydžovský A. Dufka R. Drochytka I. N. Beckman |
| Affiliation: | 1. Nuclear Research Institute ?e?, plc, 25068, Husinec-?e?, Czech Republic 2. Institute of Technology of Building Materials and Components, Faculty of Civil Engineering, Brno University of Technology, 602 00, Brno, Czech Republic 3. Chemical Faculty, Moscow State University, Moscow, Russia, 199234 |
| Abstract: | Portland cement hydration has been investigated by emanation thermal analysis (ETA), based on the application of radon atoms as radioactive indicators. This method enabled us to characterize continuously changes in the microstructure of the cement paste at selected temperatures. The numerical simulation of time dependences of the emanating rate during cement hydration was carried out. An agreement between the mathematical model and experimental results of the ETA was obtained. |
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