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HomeMaterials Science ForumMaterials Science Forum Vol. 974Fiber Concrete for 3-D Additive Technologies

Fiber Concrete for 3-D Additive Technologies

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Abstract:

Fine-grained fiber concrete used in 3D printing is significantly different from conventional heavy concrete, which is determined by the increased consumption of cement, low water-cement ratio and the absence of large aggregates. The largest grain size of fine aggregate is selected taking into account the thickness of the section, the frequency and type of reinforcement, as well as the method of concrete placement. Despite the fact that the tensile strength of concrete on fine sand is more than 1.5 times higher than the strength of concrete on coarse sand, while there is a decrease in compressive strength. Due to the peculiarities of the technology of concrete manufacturing for layering, the use of coarse sands is impractical, and therefore it was decided to use quartz sand with a particle size module of 1.12 as a filler.

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Materials and Technologies in Construction and Architecture II

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Periodical:

Materials Science Forum (Volume 974)

Pages:

367-372

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.974.367

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Online since:

December 2019

Authors:

Sergei V. Klyuev*, A.V. Klyuev, E.S. Shorstova

Keywords:

3-D Technology, Additive, Fine-Grained Fiber Concrete, Microsilica

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* - Corresponding Author

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