Hydration of cement : role of triethanolamine

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DOIResolve DOI: http://doi.org/10.1016/0008-8846(76)90026-0
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Journal titleCement and Concrete Research
IssueSeptember 5
Pages623631; # of pages: 9
Subjecthydrated cement; grinding agents; Concrete; ciment hydrate; agent de mouture
AbstractFollowing addition of 0.1, 0.25, 0.35, 0.5 and 1.0 per cent triethanolamine, studies have been made of the hydration and hardening characteristics of (a) tricalcium aluminate, (b) tricalcium aluminate + gypsum, (c) tricalcium silicate, (d) dicalcium silicate, and (e) portland cement. Triethanolamine (TEA) accelerated the hydration of 3CaO.Al[2] O[3] and 3CaO.Al[2]O[3]-CaSO[4].2H[2]O systems and extended the induction period of the hydration of 3CaO.SiO[2]. In portland cement paste TEA decreased the strength of all ages and setting characteristics were drastically altered, especially at higher TEA contents. Evidence was obtained also of the formation of a complex of TEA with the hydrating silicate phase.
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AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedYes
NRC number15423
NPARC number20375146
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Record identifierc628ad04-b5c9-4894-b7cb-c650a979c6c8
Record created2012-07-23
Record modified2016-05-09
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