Evaluation of degree of hydration in concrete using 29Si magic angle spinning NMR in solids

The degree of hydration of cement and concrete can be followed using 29Si MAS-NMR. Preliminary results of the effects of hydration on the distribution of silicate polymers in concretes of known mix designs, as well as the constituent cement, are presented. The spectra of the sand and aggregate used...

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Bibliographic Details
Published in:Cement and concrete research 1988-03, Vol.18 (2), p.229-234
Main Authors: Parry-Jones, G., Al-Tayyib, A.J., Al-Mana, A.I.
Format: Article
Language:English
Subjects:
Applied sciences
Buildings. Public works
Cement concrete constituents
Cements
Exact sciences and technology
Materials
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Summary:The degree of hydration of cement and concrete can be followed using 29Si MAS-NMR. Preliminary results of the effects of hydration on the distribution of silicate polymers in concretes of known mix designs, as well as the constituent cement, are presented. The spectra of the sand and aggregate used are also given. The technique appears promising as a means of monitoring concrete silicate anion structure and its possible correlation with mechanical properties.
ISSN:0008-8846
1873-3948
DOI:10.1016/0008-8846(88)90007-5