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Delayed ettringite formation and heat curing - implications of the work of Kelham

McDonald, D.

The various mechanisms involved in delayed ettringite formation (DEF) and heat curing of cements were studied. The study used Kelham's work on five different production clinkers that were modified by adding SO₃ and grinding mortars to different levels. Type III cements manufactured in 1994 have an increased risk of DEF compared with other cement types. No correlation was found between compressive strength and the expansion calculated using the equation of Kelham. The Kelham equation may be suitable for determining the susceptibility of cements to DEF.

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Delayed ettringite formation and heat curing - implications of the work of Kelham

McDonald, D.

The various mechanisms involved in delayed ettringite formation (DEF) and heat curing of cements were studied. The study used Kelham's work on five different production clinkers that were modified by adding SO₃ and grinding mortars to different levels. Type III cements manufactured in 1994 have an increased risk of DEF compared with other cement types. No correlation was found between compressive strength and the expansion calculated using the equation of Kelham. The Kelham equation may be suitable for determining the susceptibility of cements to DEF.

Delayed ettringite formation and heat curing - implications of the work of Kelham

McDonald, D.

The various mechanisms involved in delayed ettringite formation (DEF) and heat curing of cements were studied. The study used Kelham's work on five different production clinkers that were modified by adding SO₃ and grinding mortars to different levels. Type III cements manufactured in 1994 have an increased risk of DEF compared with other cement types. No correlation was found between compressive strength and the expansion calculated using the equation of Kelham. The Kelham equation may be suitable for determining the susceptibility of cements to DEF.

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Title:

Delayed ettringite formation and heat curing - implications of the work of Kelham

Contributors:

McDonald, D. (author)

Published in:

Cement and Concrete Research ; 28 ; 1827-1830

Publication date:

1998

Size:

4 Seiten, 4 Quellen

ISSN:

DOI:

https://doi.org/10.1016/S0008-8846(98)00152-5

Type of media:

Article (Journal)

Type of material:

Print

Language:

English

Keywords:

Mörtel , Wärmebehandlung , Beton , Quellvermögen , Temperatureinfluss , Druckfestigkeit , Konzentrationseinfluss , Rissausbreitung , Ettringit , Mahlen , Abbinden von Zement

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