Studying the Hydration of a Retarded Suspension of Ground Granulated Blast-Furnace Slag after Reactivation
Abstract
:1. Introduction
2. Materials and Methods
2.1. Compressive Strength
2.2. Thermogravimetry (TG), X-ray Diffraction (XRD), and Scanning Electron Microscopy (SEM)
3. Results and Discussion
3.1. Compressive Strength
3.2. Thermogravimetry (TG)
3.3. X-ray Diffraction (XRD)
3.4. Scanning Electron Microscopy (SEM)
4. Conclusions
Acknowledgments
Author Contributions
Conflicts of Interest
References
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Components | Retarded Binder [wt.%] | Reactivated Binder [wt.%] | |
---|---|---|---|
GGBFS | 76.9 | 69.2 | |
Retarder solution | 23.0 | 20.8 | |
MC | 0.1 | 0.1 | |
Activator solution | -/- | 9.9 | |
Activator | -/- | Ac1 | Ac2 |
w/b ratio | 0.30 | 0.40 | 0.37 |
(a) | [wt.%] |
SiO2 | 35.6 |
Al2O3 | 10.6 |
Fe2O3 | 0.7 |
MnO | 0.2 |
MgO | 7.4 |
CaO | 43.2 |
Na2O | 0.2 |
K2O | 0.4 |
TiO2 | 0.7 |
(b) | |
Density | 2.92 kg/dm3 |
Specific surface area (Blaine) | 3218 cm²/g |
Water demand (Puntke) | 19.1 wt.% |
RRSB-Distribution x0/n (*) | 20.7/1.7 |
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Schneider, N.; Stephan, D. Studying the Hydration of a Retarded Suspension of Ground Granulated Blast-Furnace Slag after Reactivation. Materials 2016, 9, 933. https://doi.org/10.3390/ma9110933
Schneider N, Stephan D. Studying the Hydration of a Retarded Suspension of Ground Granulated Blast-Furnace Slag after Reactivation. Materials. 2016; 9(11):933. https://doi.org/10.3390/ma9110933
Chicago/Turabian StyleSchneider, Nick, and Dietmar Stephan. 2016. "Studying the Hydration of a Retarded Suspension of Ground Granulated Blast-Furnace Slag after Reactivation" Materials 9, no. 11: 933. https://doi.org/10.3390/ma9110933