Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Optimization of Cements with Calcined Clays as Supplementary Cementitious Materials
Cements consisting of different types of Portland cement clinker and calcined clays were produced by mixing in laboratory scale. The clinkers differed regarding their contents of Al2O3 and alkalis as well as their phase composition. The used kaolinitic, illitic and chloritic clays show low ceramic qualities and represent typical clays of cement plant quarries. The produced cements contained 20 and 40 mass % of the calcined clays, respectively. On selective cements the influence of the sulphate dosage was investigated by measuring the compressive strength development according to EN 196-1 and characterising the hydration products by means of X-Ray Diffraction analyses (XRD) and thermal analysis (DSC). These investigations were planned using DOE (design of experiments). It could be shown that there is some potential for increasing the performance of the pozzolanic cement by a chemical-mineralogical adjustment of the calcined clay, the clinker and the sulphate agent.
Optimization of Cements with Calcined Clays as Supplementary Cementitious Materials
Cements consisting of different types of Portland cement clinker and calcined clays were produced by mixing in laboratory scale. The clinkers differed regarding their contents of Al2O3 and alkalis as well as their phase composition. The used kaolinitic, illitic and chloritic clays show low ceramic qualities and represent typical clays of cement plant quarries. The produced cements contained 20 and 40 mass % of the calcined clays, respectively. On selective cements the influence of the sulphate dosage was investigated by measuring the compressive strength development according to EN 196-1 and characterising the hydration products by means of X-Ray Diffraction analyses (XRD) and thermal analysis (DSC). These investigations were planned using DOE (design of experiments). It could be shown that there is some potential for increasing the performance of the pozzolanic cement by a chemical-mineralogical adjustment of the calcined clay, the clinker and the sulphate agent.
Optimization of Cements with Calcined Clays as Supplementary Cementitious Materials
RILEM Bookseries
Scrivener, Karen (Herausgeber:in) / Favier, Aurélie (Herausgeber:in) / Pierkes, Roland (Autor:in) / Schulze, Simone E. (Autor:in) / Rickert, Joerg (Autor:in)
08.05.2015
8 pages
Aufsatz/Kapitel (Buch)
Elektronische Ressource
Englisch
Calcined clays as supplementary cementitious materials
| DataCite | 2023
| Springer Verlag | 2019
| Online Contents | 2019