On the formation of thaumasite CaSiO3·CaSO4·CaCO3·15H2O: Part I-Reference-Cited by-同舟云学术

On the formation of thaumasite CaSiO3·CaSO4·CaCO3·15H2O: Part I

Published:2004-04 Issue:2 Volume:16 Page:55-60
ISSN:0951-7197
Container-title:Advances in Cement Research
language:en
Short-container-title:Advances in Cement Research

Author:

Bellmann F.¹

Affiliation:

1. Finger Institute for Building Materials Science, Department of Civil Engineering, Bauhaus University Weimar, Coudraystraße 11, 99423 Weimar, Germany

Abstract

Thaumasite from a geological source was dissolved in distilled water at 8°C. The ionic concentrations in solution were measured after equilibration and a solubility product was calculated. The corresponding Gibbs free energy for the formation of thaumasite from the constituting elements at 8°C was calculated to be −7638 kJ/mol from the solubility product. The obtained datum allows a simulation of the formation of thaumasite in concrete. Results of the simulation are presented in part II and compared to experimental observations in part III of this report.

Publisher

Thomas Telford Ltd.

Subject

General Materials Science,Building and Construction

Link

https://www.icevirtuallibrary.com/doi/pdf/10.1680/adcr.2004.16.2.55

Reference15 articles.

1. Crystal Structure of Thaumasite, a Mineral containing [Si(OH)6]2− Groups

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