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The effect of copper slag on the hydration and mechanical properties of cementitious mixtures

Tixier, R. / Devaguptapu, R. / Mobasher, B.

The effect of copper slag on the hydration of cement-based materials is studied. Up to 15 weight-% of copper slag was used as a portland cement replacement. Hydration reactions were studied through semiquantitative X-ray diffraction and TGA/DTA. Samples of copper slag and hydrated lime (ASTM type S) were used to test the pozzolanic properties of the slag. The porosity was examined using mercury intrusion porosimetry. A decrease in capillary porosity was observed while the gel porosity was increased. A significant increase in the compressive strength for up to 1 year is observed.

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The effect of copper slag on the hydration and mechanical properties of cementitious mixtures

Tixier, R. / Devaguptapu, R. / Mobasher, B.

The effect of copper slag on the hydration of cement-based materials is studied. Up to 15 weight-% of copper slag was used as a portland cement replacement. Hydration reactions were studied through semiquantitative X-ray diffraction and TGA/DTA. Samples of copper slag and hydrated lime (ASTM type S) were used to test the pozzolanic properties of the slag. The porosity was examined using mercury intrusion porosimetry. A decrease in capillary porosity was observed while the gel porosity was increased. A significant increase in the compressive strength for up to 1 year is observed.

The effect of copper slag on the hydration and mechanical properties of cementitious mixtures

Tixier, R. / Devaguptapu, R. / Mobasher, B.

The effect of copper slag on the hydration of cement-based materials is studied. Up to 15 weight-% of copper slag was used as a portland cement replacement. Hydration reactions were studied through semiquantitative X-ray diffraction and TGA/DTA. Samples of copper slag and hydrated lime (ASTM type S) were used to test the pozzolanic properties of the slag. The porosity was examined using mercury intrusion porosimetry. A decrease in capillary porosity was observed while the gel porosity was increased. A significant increase in the compressive strength for up to 1 year is observed.

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Title:

The effect of copper slag on the hydration and mechanical properties of cementitious mixtures

Additional title:

Einfluß von Kupferschlacke auf die Hydratisierung und mechanischen Eigenschaften von zementhaltigen Mischungen

Contributors:

Tixier, R. (author) / Devaguptapu, R. (author) / Mobasher, B. (author)

Published in:

Materials Research Society Symposium on Structure-Property in Hardened Cement Paste and Composites, 1996 ; 1569-1580

Cement and Concrete Research ; 27

Publication date:

1997

Size:

12 Seiten, 13 Bilder, 2 Tabellen, 14 Quellen

ISSN:

DOI:

https://doi.org/10.1016/S0008-8846(97)00166-X

Type of media:

Conference paper

Type of material:

Print

Language:

English

Keywords:

Schlacke , Hochofenzement , Hydratisieren , Wasserabbinden von Zement , hydraulisches Bindemittel , Portlandzement , Porengrößenverteilung , Quecksilberporosimeter , Phasenzusammensetzung , Fayalit , Kalk , Siliciumdioxid , Druckfestigkeit , mechanische Eigenschaft , Zementpaste

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