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2020 | OriginalPaper | Chapter

Comparison of Brick Clays and a Kaolinitic Clay Regarding Calcination and Performance in Blended Cement Mortars

Authors : Nsesheye Susan Msinjili, Patrick Sturm, Hans-Carsten Kühne, Gregor J. G. Gluth

Published in: Calcined Clays for Sustainable Concrete

Publisher: Springer Singapore

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Abstract

Two brick clays (rich in 2:1 clay minerals) and a low-grade kaolinitic clay were studied regarding their transformations during calcination and their performance in blended cement mortars. The mortars with calcined clays exhibited decreased workability (slump flow), but this effect could be mitigated by employment of a conventional superplasticizer; however, compressive strength of the hardened mortar was lowered in some cases. While the kaolinitic clay generally yielded the highest strength, the performance of a brick clay could be increased by grinding to higher fineness and by mixing it with the kaolinitic clay.

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Metadata
Title
Comparison of Brick Clays and a Kaolinitic Clay Regarding Calcination and Performance in Blended Cement Mortars
Authors
Nsesheye Susan Msinjili
Patrick Sturm
Hans-Carsten Kühne
Gregor J. G. Gluth
Copyright Year
2020
Publisher
Springer Singapore
DOI
https://doi.org/10.1007/978-981-15-2806-4_10