ЦЕМЕНТНО-ШЛАКОВЫЕ СМЕСИ ДЛЯ 3D ПРИНТЕРА

Leonid Dvorkin; Vitaliy  Marchuk; Yuriy Zyatuk

doi:10.48076/2413-9890.2021-102-02

Authors

Leonid Dvorkin National University of Water and Environmental Engineering http://orcid.org/0000-0001-8759-6318
Vitaliy Marchuk National University of Water and Environmental Engineering http://orcid.org/0000-0003-0999-0402
Yuriy Zyatuk National University of Water and Environmental Engineering

DOI:

https://doi.org/10.48076/2413-9890.2021-102-02

Keywords:

рortland cement, blast furnace slag, 3D construction printer, additive technologies, superplasticizer, hardening accelerator

Abstract

The article shows the possibility of obtaining cement-slag fine-grained concrete mixtures and concretes, which can be used as working mixtures for a 3D printer. The resulting complex of experimental and statistical models makes it possible to predict the influence of factors characterizing the composition of the mixture on the main properties of concretes intended for 3D concreting. The developed compositions of mixtures make it possible to provide the required values of the setting time, structural strength, splitting and compression strength at an early and projected age. The influence of granulated blast-furnace slag and the addition of a hardening accelerator on the complex of properties of the proposed finegrained concrete for 3D concreting has been established.

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