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HomeMaterials Science ForumMaterials Science Forum Vol. 1037Mortar for 3D Printing Based on Gypsum Binders

Mortar for 3D Printing Based on Gypsum Binders

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Abstract:

3D construction printer - is an innovative construction approach with which building elements can be constructed without the use of formwork and you to get products of various complex shapes with minimal time and material costs. Binder 3D printing technology results in a cheap and high-speed construction method that allows greater freedom in both architectural and structural design of concrete. The principle of operation of a 3D printer is based on the principle of gradual (layer-by-layer) creation of a solid model, which is, as it were, "grown" from a certain binding material. The working mixture must have thixotropic and adhesive properties, it must be workable by the printer and at the same time not spread under the influence of subsequent layers. Therefore, it is important to select the composition of the composition of the working mixture. This paper presents the results of a study on the development of the composition of a working mixture based on a gypsum-cement-pozzolanic binder. The developed composition of the gypsum-cement-pozzolanic binder with a complex of modifying additives is characterized by low spreadability, high viscosity and is easy to lay.

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Periodical:

Materials Science Forum (Volume 1037)

Pages:

26-31

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.1037.26

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Online since:

July 2021

Authors:

Ekaterina Potapova*, Tatiana Guseva, Kirill Shchelchkov, Hans Bertram Fischer

Keywords:

3D-printing, Additive Manufacturing, Cementitious Materials, Gypsum-Cement-Pozzolanic Binder, Metakaolin

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© 2021 Trans Tech Publications Ltd. All Rights Reserved

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* - Corresponding Author

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