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Aggregate-cement chemical interactions

Tasong, W.A. / Cripps, J.C. / Lynsdale, C.J.

This paper highlights the role played by aggregate with respect to the chemical interactions that take place within the interfacial transition zone between aggregates and cement paste matrix. Four commonly used aggregates with different chemical properties, basalt, limestone, silica sand, and quartzite, were investigated. It was observed that ions are both absorbed and released by the aggregates in all the aggregate-cement solution systems, with basalt being the most active in this respect. The findings reveal that aggregates are more chemically active than has been supposed and that a wide range of chemical interactions between the aggregates and cement should be anticipated.

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Aggregate-cement chemical interactions

Tasong, W.A. / Cripps, J.C. / Lynsdale, C.J.

This paper highlights the role played by aggregate with respect to the chemical interactions that take place within the interfacial transition zone between aggregates and cement paste matrix. Four commonly used aggregates with different chemical properties, basalt, limestone, silica sand, and quartzite, were investigated. It was observed that ions are both absorbed and released by the aggregates in all the aggregate-cement solution systems, with basalt being the most active in this respect. The findings reveal that aggregates are more chemically active than has been supposed and that a wide range of chemical interactions between the aggregates and cement should be anticipated.

Aggregate-cement chemical interactions

Tasong, W.A. / Cripps, J.C. / Lynsdale, C.J.

This paper highlights the role played by aggregate with respect to the chemical interactions that take place within the interfacial transition zone between aggregates and cement paste matrix. Four commonly used aggregates with different chemical properties, basalt, limestone, silica sand, and quartzite, were investigated. It was observed that ions are both absorbed and released by the aggregates in all the aggregate-cement solution systems, with basalt being the most active in this respect. The findings reveal that aggregates are more chemically active than has been supposed and that a wide range of chemical interactions between the aggregates and cement should be anticipated.

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Title:

Aggregate-cement chemical interactions

Contributors:

Tasong, W.A. (author) / Cripps, J.C. (author) / Lynsdale, C.J. (author)

Published in:

Cement and Concrete Research ; 28 ; 1037-1048

Publication date:

1998

Size:

12 Seiten, 29 Quellen

ISSN:

DOI:

https://doi.org/10.1016/S0008-8846(98)00067-2

Type of media:

Article (Journal)

Type of material:

Print

Language:

English

Keywords:

Zement , Grenzfläche , Konzentrationseinfluss , Quarzsand , Kalkstein , Basalt , chemische Wechselwirkung , Zuschlagstoff , Grenzflächenreaktion , hydraulischer Zement , Quarzit

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