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Modelling curved-layered printing paths for fabricating large-scale construction components

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posted on 15.07.2016 by Sungwoo Lim, Richard Buswell, Philip J. Valentine, Daniel Piker, Simon Austin, Xavier De Kestelier
In this paper, a non-conventional way of additive manufacturing, curved-layered printing, has been applied to large-scale construction process. Despite the number of research works on Curved Layered Fused Deposition Modelling (CLFDM) over the last decade, few practical applications have been reported. An alternative method adopting the CLFDM principle, that generates a curved-layered printing path, was developed using a single scripting environment called Grasshopper – a plugin of Rhinoceros® . The method was evaluated with the 3D Concrete Printing process developed at Loughborough University. The evaluation of the method including the results of simulation and printing revealed three principal benefits compared with existing flat-layered printing paths, which are particularly beneficial to large-scale AM techniques: (i) better surface quality, (ii) shorter printing time and (iii) higher surface strengths.

Funding

The work outlined in this paper was funded by the EPSRC (grant EP/E002323/1 and an associated Knowledge Transfer Account grant) at Loughborough University. The authors gratefully acknowledge the technical contribution of John Webster in the development of the 3D Concrete Printing system. The authors also thank Buro Happold for their assistance in the structural analysis.

History

School

  • Architecture, Building and Civil Engineering

Published in

Additive Manufacturing

Citation

LIM, S. ... et al., 2016. Modelling curved-layered printing paths for fabricating large-scale construction components. Additive Manufacturing, 12 Part B, pp. 216-230.

Publisher

© Elsevier

Version

AM (Accepted Manuscript)

Publisher statement

This work is made available according to the conditions of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0) licence. Full details of this licence are available at: https://creativecommons.org/licenses/by-nc-nd/4.0/

Acceptance date

01/06/2016

Publication date

2016-06-03

Notes

This paper was accepted for publication in the journal Additive Manufacturing and the definitive published version is available at http://dx.doi.org/10.1016/j.addma.2016.06.004

ISSN

2214-8604

Language

en

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