Ettringite formation on the aggregate — cement paste interface

Subject of the experiment was a portland cement paste, with w/c ratio of 0.35, cast against the polished surface of a granite rock, and hydrated for various times. Abrasion and study of the polished paste-rock interfacial zone using QXRD revealed high quantities of ettringite next to the aggregate s...

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Bibliographic Details
Published inCement and concrete research Vol. 15; no. 2; pp. 378 - 380
Main Authors Monteiro, J.J.M., Mehta, P.K.
Format Journal Article
LanguageEnglish
Published New York, NY Elsevier Ltd 01.01.1985
Elsevier Science
Subjects
Applied sciences
Buildings. Public works
Cement concrete constituents
Cements
Exact sciences and technology
Materials
Ettringite
Hydration
Cement
Reaction mechanism
Concrete
Portland cement
Calcium Aluminates Sulfates Hydrates
Interface
Granite
Aggregate(materials)
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Summary:Subject of the experiment was a portland cement paste, with w/c ratio of 0.35, cast against the polished surface of a granite rock, and hydrated for various times. Abrasion and study of the polished paste-rock interfacial zone using QXRD revealed high quantities of ettringite next to the aggregate surface, corroborating the " through-solution" mechanism of ettringite formation.
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(85)90049-3