A time-resolved synchrotron energy dispersive diffraction study of the dynamic aspects of the synthesis of ettringite during minepacking

Synchrotron radiation — energy dispersive diffraction has been used as a method for in-situ studies on the hydration of cements. The rapid data capture of the technique permits a time-resolved analysis of hydrating cement species under realistic (chosen) conditions. In this paper, we report on a stu...

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Bibliographic Details
Published in:Cement and concrete research 1993-03, Vol.23 (2), p.267-272
Main Authors: Muhamad, M.N., Barnes, P., Fentiman, C.H., Hausermann, D., Pollmann, H., Rashid, S.
Format: Article
Language:English
Subjects:
Applied sciences
Buildings. Public works
Cement concrete constituents
Cements
Exact sciences and technology
Hydration
Materials
Properties of anhydrous and hydrated cement, test methods
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Summary:Synchrotron radiation — energy dispersive diffraction has been used as a method for in-situ studies on the hydration of cements. The rapid data capture of the technique permits a time-resolved analysis of hydrating cement species under realistic (chosen) conditions. In this paper, we report on a study of the early hydration of minepack mixtures forming ettringite: the growth can be perceived over steps as small as 20 seconds, as also the shifts in diffraction peak positions which are interpreted in terms of a time-dependent composition of the ettringite phase.
ISSN:0008-8846
1873-3948
DOI:10.1016/0008-8846(93)90091-M