Development of a Novel Viscosity Modifier Agent for Cementitious Materials: Preliminary Study
Publication: Journal of Materials in Civil Engineering
Volume 33, Issue 4
Abstract
Concrete compositions demand products in order to meet certain requirements and specific properties. For the production of self-compacting concrete, a certain amount of fine materials and/or chemical products should be added to the mix as viscosity modifying agents that will enable a mixture with enough flowability, and that should show stability. This paper presents preliminary results of a novel viscosity modifying agent based on a biopolymer (chitosan) found in the residues of the fishing industry. The effects of the product were tested in cement pastes by means of typical flow tests and rheological measurements. The new admixture promotes an increase in the plastic viscosity and yield stress of fluid cement pastes resulting in stable and fluid mixtures.
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Data Availability Statement
All data, models, and code generated or used during the study appear in the published article.
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Published In
Journal of Materials in Civil Engineering
Volume 33 • Issue 4 • April 2021
Copyright
© 2021 American Society of Civil Engineers.
History
Received: Sep 12, 2019
Accepted: Aug 13, 2020
Published online: Jan 19, 2021
Published in print: Apr 1, 2021
Discussion open until: Jun 19, 2021
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