3D printing using concrete extrusion: A roadmap for research

Large-scale additive manufacturing processes for construction utilise computer-controlled placement of extruded cement-based mortar to create physical objects layer-by-layer. Demonstrated applications include component manufacture and placement of in-situ walls for buildings. These applications vary...

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Bibliographic Details
Published in:Cement and concrete research 2018-10, Vol.112, p.37-49
Main Authors: Buswell, R.A., Leal de Silva, W.R., Jones, S.Z., Dirrenberger, J.
Format: Article
Language:English
Subjects:
3-D printers
3DCP
Concrete
Concrete construction
Concrete printing
Design parameters
Engineering Sciences
Extrusion
Geometric conformity
Hardened properties
Material properties
Measurement
Mortars (material)
Placement
Rheology
Three dimensional printing
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Description
Summary:Large-scale additive manufacturing processes for construction utilise computer-controlled placement of extruded cement-based mortar to create physical objects layer-by-layer. Demonstrated applications include component manufacture and placement of in-situ walls for buildings. These applications vary the constraints on design parameters and present different technical issues for the production process. In this paper, published and new work are utilised to explore the relationship between fresh and hardened paste, mortar, and concrete material properties and how they influence the geometry of the created object. Findings are classified by construction application to create a matrix of issues that identifies the spectrum of future research exploration in this emerging field.
ISSN:0008-8846
1873-3948
DOI:10.1016/j.cemconres.2018.05.006