A thermodynamic model for blended cements

A model is described for predicting the solid and solution chemistry of blended cements for use in equilibrium modelling. A computer program, CEMCHEM, has been written to predict the stable phase assemblage from the composition of the initial cement blend. Solubility models developed for the cement...

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Bibliographic Details
Published inCement and concrete research Vol. 22; no. 2; pp. 497 - 502
Main Authors Atkins, M., Bennett, D.G., Dawes, A.C., Glasser, F.P., Kindness, A., Read, D.
Format Journal Article Conference Proceeding
LanguageEnglish
Published New York, NY Elsevier Ltd 1992
Elsevier Science
Subjects
Applied sciences
Buildings. Public works
Cement concrete constituents
Cements
Exact sciences and technology
Materials
Properties and test methods
Properties of anhydrous and hydrated cement, test methods
A
C
S
OPC
H
FA
M
BFS
Radioactive waste
Nuclear industry
Slag cement
Storage
Hydration
Use
Solubility
Fly ash cement
Numerical simulation
Chemical properties
Thermodynamic properties
Portland cement
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Summary:A model is described for predicting the solid and solution chemistry of blended cements for use in equilibrium modelling. A computer program, CEMCHEM, has been written to predict the stable phase assemblage from the composition of the initial cement blend. Solubility models developed for the cement hydrate phases are then used to predict the aqueous solution composition at equilibrium with the cement. Example calculations for mature cement pastes are presented and compared with real pore fluids extracted from aged cements.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0008-8846
1873-3948
DOI:10.1016/0008-8846(92)90093-B