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
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.
Publication date
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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