The early hydration of Ordninary Portland Cement (OPC): An approach comparing measured heat flow with calculated heat flow from QXRD

Jansen D, Götz-Neunhoeffer F, Lothenbach B, Neubauer J (2011)

Publication Language: English

Publication Type: Journal article

Publication year: 2011

Journal

Cement and Concrete Research Elsevier

Publisher: Elsevier

Book Volume: 42

Pages Range: 134-138

Journal Issue: 1

DOI: 10.1016/j.cemconres.2011.09.001

Abstract

Heat flow was calculated from XRD data and compared with measured heat flow from calorimetric experiments. It was shown that the heat released during the hydration of a commercial Ordinary Portland Cement can be assigned mainly to three mechanisms, the silicate reaction (sum of dissolution of alite and precipitation of C-S-H-phase and portlandite), the dissolution of C3A, and the precipitation of ettringite. The contributions made by anhydrite dissolution and gypsum dissolution to the heat released during hydration turned out to be quite small. It is possible to explain, on the basis of the data produced, the origin of the heat flow curve of the cement used.

Authors with CRIS profile

Daniel Jansen Lehrstuhl für Mineralogie Friedlinde Götz-Neunhoeffer Lehrstuhl für Mineralogie Jürgen Neubauer Lehrstuhl für Mineralogie

Involved external institutions

Eidgenössische Materialprüfungs- und Forschungsanstalt (Empa) / Swiss Federal Laboratories for Materials Science & Technology CH Switzerland (CH)

How to cite

APA:

Jansen, D., Götz-Neunhoeffer, F., Lothenbach, B., & Neubauer, J. (2011). The early hydration of Ordninary Portland Cement (OPC): An approach comparing measured heat flow with calculated heat flow from QXRD. Cement and Concrete Research, 42(1), 134-138. https://dx.doi.org/10.1016/j.cemconres.2011.09.001

MLA:

Jansen, Daniel, et al. "The early hydration of Ordninary Portland Cement (OPC): An approach comparing measured heat flow with calculated heat flow from QXRD." Cement and Concrete Research 42.1 (2011): 134-138.

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