C-S-H seeding: an approach for the nanostructural tailoring of cement-based materials

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Conference13th International Congress on the Chemistry of Cement: 03 July 2011, Madrid, Spain
Pages17; # of pages: 7
SubjectC-S-H, nanostructure, seeding, cement; Cement/Concrete
AbstractThe hydration of calcium silicate phases (i.e. C3S and b-C2S) in Portland cement results in the formation of calcium silicate hydrate (C-S-H) ? a major contributor to the strength and durability of hardened cement paste. The stoichiometry of C-S-H (e.g. C/S and H/S ratio) can vary depending on various parameters such as the initial water/cement ratio and the use of supplementary cementitious materials. The change in the composition of C-S-H has been shown to be related to its mechanical and chemical behavior. A method for modifying the nanostructure of hydrating cement systems that employs synthetic C-S-H as a nucleation seeding agent during the hydration process was developed.
Publication date
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedYes
NRC number53524
NPARC number20374006
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Record identifier0fa8151f-e642-4870-bfc3-b74202623ff4
Record created2012-07-23
Record modified2016-05-09
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