Supplementary cementitious materials

The use of silica rich SCMs influences the amount and kind of hydrates formed and thus the volume, the porosity and finally the durability of these materials. At the levels of substitution normally used, major changes are the lower Ca/Si ratio in the C-S-H phase and consumption of portlandite. Alumina-rich SCMs increase the Al-uptake in C-S-H and the amounts of aluminate containing hydrates. In general the changes in phase assemblages are well captured by thermodynamic modelling, although better knowledge of the C-S-H is needed.


Published in:
Cement and Concrete Research, 41, 3, 217-229
Year:
2011
Keywords:
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Cited By (since 1996): 1
Export Date: 1 June 2011
Source: Scopus
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View record in Web of Science
Scopus: 2-s2.0-79751527977
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 Record created 2011-06-06, last modified 2018-03-17


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