Publication detail

DoE Approach to Setting Input Parameters for Digital 3D Printing of Concrete for Coarse Aggregates up to 8 mm

VESPALEC, A. PODROUŽEK, J. KOUTNÝ, D.

Original Title

DoE Approach to Setting Input Parameters for Digital 3D Printing of Concrete for Coarse Aggregates up to 8 mm

Type

journal article in Web of Science

Language

English

Original Abstract

This paper is primarily concerned with determining and assessing the properties of a cement-based composite material containing large particles of aggregate in digital manufacturing. The motivation is that mixtures with larger aggregate sizes offer benefits such as increased resistance to cracking, savings in other material components (such as Portland cement), and ultimately cost savings. Consequently, in the context of 3D Construction/Concrete Print technology (3DCP), these materials are environmentally friendly, unlike the fine-grained mixtures previously utilized. Prior to printing, these limits must be established within the virtual environment's process parameters in order to reduce the amount of waste produced. This study extends the existing research in the field of large-scale 3DCP by employing coarse aggregate (crushed coarse river stone) with a maximum particle size of 8 mm. The research focuses on inverse material characterization, with the primary goal of determining the optimal combination of three monitored process parameters-print speed, extrusion height, and extrusion width-that will maximize buildability. Design Of Experiment was used to cover all possible variations and reduce the number of required simulations. In particular, the Box-Behnken method was used for three factors and a central point. As a result, thirteen combinations of process parameters covering the area of interest were determined. Thirteen numerical simulations were conducted using the Abaqus software, and the outcomes were discussed.

Keywords

3DCP; inverse material characterisation; large-scale additive manufacturing; contour crafting; digital manufacturing; cementitious material; coarse aggregate concrete printing

Authors

VESPALEC, A.; PODROUŽEK, J.; KOUTNÝ, D.

Released

27. 4. 2023

Publisher

MDPI

Location

BASEL

ISBN

1996-1944

Periodical

Materials

Year of study

16

Number

9

State

Swiss Confederation

Pages from

1

Pages to

17

Pages count

17

URL

https://www.mdpi.com/1996-1944/16/9/3418

Full text in the Digital Library

http://hdl.handle.net/11012/213573

BibTex

@article{BUT184042,
  author="Arnošt {Vespalec} and Jan {Podroužek} and Daniel {Koutný}",
  title="DoE Approach to Setting Input Parameters for Digital 3D Printing of Concrete for Coarse Aggregates up to 8 mm",
  journal="Materials",
  year="2023",
  volume="16",
  number="9",
  pages="17",
  doi="10.3390/ma16093418",
  issn="1996-1944",
  url="https://www.mdpi.com/1996-1944/16/9/3418"
}