3D Printing Devices and Reinforcing Techniques for Extruded Cement-Based Materials: A Review

The three-dimensional (3D) printing technique for cement-based materials has been actively investigated and utilized in civil engineering. However, there is no systematic review of the fabricating devices. This paper reviews the software and hardware for extrusion-based 3D concrete printing. Firstly...

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Bibliographic Details
Published in:Buildings (Basel) 2022-04, Vol.12 (4), p.453
Main Authors: Cao, Xiangpeng, Yu, Shiheng, Cui, Hongzhi, Li, Zongjin
Format: Article
Language:English
Subjects:
3-D printers
3D concrete printing
Cement
Civil engineering
Concrete mixing
extruding device
Extrusion
Flow charts
hybrid manufacture
Hybrid systems
Motion systems
Printing
printing nozzle
reinforcing technique
Rheology
Robots
Software
Three dimensional motion
Three dimensional printing
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Summary:The three-dimensional (3D) printing technique for cement-based materials has been actively investigated and utilized in civil engineering. However, there is no systematic review of the fabricating devices. This paper reviews the software and hardware for extrusion-based 3D concrete printing. Firstly, a dedicated tool path generating software is urgently needed to meet the cementitious printing applications and to improve printing quality with toolpath optimizations. Secondly, the existing printing equipment was summarized and discussed, concluding the pros and cons of various 3D motion systems, material systems, and nozzle units. Suitable choices for scientific research and engineering applications were recommended. The reinforcing techniques were categorized and concluded with the existing drawbacks and the research trend. A hybrid manufacturing system of 3D printing and the reinforcing technique was then proposed with a system diagram and flowchart.
ISSN:2075-5309
2075-5309
DOI:10.3390/buildings12040453