Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

3D Printing and Assembling of Frame Modules Using Printable Strain-Hardening Cement-Based Composites (SHCC)

Egor Ivaniuk
* ORCID logo ,
Martin Friedrich Eichenauer
,
Tošić Zlata
ORCID logo ,
Steffen Müller
ORCID logo ,
Daniel Lordick
,
Viktor Mechtcherine
Version 1 : Received: 14 March 2022 / Approved: 16 March 2022 / Online: 16 March 2022 (09:33:46 CET)

A peer-reviewed article of this Preprint also exists.

Ivaniuk, E.; Friedrich Eichenauer, M.; Tošić, Z.; Müller, S.; Lordick, D.; Mechtcherine, V. 3D Printing and Assembling of Frame Modules Using Printable Strain-Hardening Cement-Based Composites (SHCC). Materials & Design 2022, 219, 110757, doi:10.1016/j.matdes.2022.110757. Ivaniuk, E.; Friedrich Eichenauer, M.; Tošić, Z.; Müller, S.; Lordick, D.; Mechtcherine, V. 3D Printing and Assembling of Frame Modules Using Printable Strain-Hardening Cement-Based Composites (SHCC). Materials & Design 2022, 219, 110757, doi:10.1016/j.matdes.2022.110757.

Abstract

Despite all their advantages, load-bearing concrete shell structures with double curvatures are not frequently in use. The main reason is the complexity of their construction. In such a context, this article starts with a brief, critical review of existing technologies while their pros and cons are highlighted. Against that background the authors then propose a new approach for the highly automated fabrication of gridshell structures from variable modules. To demonstrate the feasibility of such a new technology, a demonstrator called ConDIT 1.0, a sphere-like shell structure composed of several frames was designed and built. The frame modules were fabricated automatically using extrusion-based 3D printing and a printable, strain-hardening cement-based composite (SHCC). This article presents the design of ConDIT 1.0, the mechanical material characterization of printed SHCC, the technology of module production, the results of geometry verification for print modules using 3D scanning, and the procedure for the demonstrator’s assembly.

Keywords

concrete frames; modules; gridshell structures; 3D concrete printing; digital construction; SHCC; ECC

Subject

Engineering, Civil Engineering

Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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