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Rheological and mechanical behavior of earth materials / starch mixes



Author(s): Ghaith Alhaik, Michel Ferreira, Vincent Dubois, Eric Wirquin, SébastienTilloy, Eric Monflier, George Aouad
Paper category: Proceedings
Book title: Proceedings of the 1st International Conference on Bio-based Building Materials
Editor(s): Sofiane Amziane and Mohammed Sonebi
e-ISBN: 978-2-35158-154-4
Publisher: RILEM Publications SARL
Publication year: 2015
Pages: 368-375
Total Pages: 8
Language : English


Abstract: This research work highlights a new approach in the sector of building materials based on bio resources. An experimental investigation was conducted in order to study the rheological and mechanical behavior of earth/starch mixes. In this study, two types of earth materials have been studied: quarry fines and a model material which was kaolinite. For starches, two categories have been used: native and derivative. Starch with a chemical modification has also been studied. The earth/starch composite material specimens were manufactured with a constant ratio of 1%. The water content has been fixed by the flow table test. The rheological and mechanical tests have shown a significant effect of starch on the earth material properties. In the rheological part of the study, two starches have shown an increase of the thixotropic index for quarry fines. From a mechanical point of view, all starches increase mechanical strengths.


Online publication : 2015
Publication type : full_text
Public price (Euros) : 0.00


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