Fine-Grained Polymer-Cement Basalt Fibrous Concrete for 3D Printing

Abstract:

The construction concrete printing requires new approaches at reinforcement performing. Only successful integration of the existing reinforcement systems will provide for the opportunity to design concrete structures and make objects with the help of additive technologies. The paper dwells upon the issues of possibilities and the efficiency of disperse reinforcement with basalt fibers. It presents a composition of a composite material for 3D printing of a type of fine-grained fibrous concretes with the required technological properties: a necessary plasticity and a high plastic strength for printing large-dimensioned items and structures without timbering by means of extrusion with a high material adhesion between the layers and controlled setting periods. The author studied a possibility to reclaim basalt fiber production wastes as a high-disperse fibrous filler for the reinforcement of polymer-modified concretes. The article provides the dependence of plastic strength on the fiber content in concrete. The authors consider the influence of components and the mechanism of modifying disperse particles of basalt fibrous concrete at obtaining the material for 3D printing. The obtained polymer-modified basal fibrous concrete has a good impact resistance, low water absorption and high crack resistance.

• Periodical: Solid State Phenomena (Volume 299)
• Pages: 227-234
• DOI: https://doi.org/10.4028/www.scientific.net/SSP.299.227
• Online since: January 2020
• Authors: Valentina Anatolyevna Poluektova*
• Keywords: 3D Concrete Printing, Basalt Fiber, Concrete Reinforcement, Phloroglucin-Furfural Modifier, Polymer-Cement Concrete, Waste Product

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