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Hydration of calcium aluminates and calcium sulfoaluminate studied by Raman spectroscopy

Author
Torrens, D.; Fernandez-Carrasco, L.; Martinez, S.
Type of activity
Journal article
Journal
Cement and concrete research
Date of publication
2013-05-01
Volume
47
First page
43
Last page
50
DOI
https://doi.org/10.1016/j.cemconres.2013.01.015 Open in new window
Repository
http://hdl.handle.net/2117/14134 Open in new window
Abstract
The main hydration reaction product in the ternary system fly ash, calcium sulphate and calcium aluminate cement (40/20/40) at 20°C is a hydrated calcium sulfoaluminate compound, an AFt phase slightly different from “traditional ettringite”. The carbonation of ettringite develops gypsum but in this case rapidcreekite is formed. For the first time it has been observed that carbonation of the mentioned calcium sulfoaluminate compound (AFt), an hydrated calcium sulphate carbonated phase (Ca2(S...
Citation
Martínez-Ramírez, S.; Fernández, L. Carbonation on ternary cement systems. "Construction and building materials", 01 Maig 2012, vol. 27, p. 313-318.
Keywords
Aluminum compounds, Calcium, Calcium compounds, Cements, Chemical analysis, Fourier transform infrared spectroscopy, Functional groups, Hydration, Raman spectroscopy
Group of research
LiTA - Architectural Innovation and Technology Laboratory

Participants