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Cement and Concrete Research· 2018Q1· Review

3D printing using concrete extrusion: A roadmap for research

Richard Buswell, W.R. Leal de Silva, Scott Z. Jones, Justin Dirrenberger

Short summary

This paper maps the relationship between concrete material properties and the geometry of 3D-printed construction elements, classifying findings by application to guide future research.

AI-generated from the title and abstract; the full text is not read.

Key points

  • 3D concrete printing relies on extruded cement-based mortar placed layer-by-layer.
  • Applications range from component manufacture to in-situ wall construction.
  • Material properties (fresh and hardened) directly impact printed object geometry.
  • Findings are categorized by construction application to highlight research gaps.

AI-generated from the title and abstract; the full text is not read.

Abstract

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.

The authors' abstract, as published at the source. Cement and Concrete Research, 2018 · DOI ↗

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Field: Building and Construction

Building and ConstructionEngineering