Development of a shotcrete 3D-printing (SC3DP) technology for additive manufacturing of reinforced freeform concrete structures

authored by: H. Lindemann, R. Gerbers, Serhat Ibrahim, F. Dietrich, E. Herrmann, K. Dröder, Annika Raatz, H. Kloft
Abstract: In this paper, a novel Additive Manufacturing (AM) technique for robot-based fabrication of large-scale freeform reinforced concrete elements is presented. The AM technology, called Shotcrete 3D Printing (SC3DP), is based on an automated shotcreteing process and offers the ability to integrate structural reinforcement in both principal directions and enables printing of horizontal cantilevers onto vertical surfaces. Moreover, the SC3DP technique effectively addresses the problem of cold joints that is inherent to other 3D printing techniques. However, as controlling the process parameters of the SC3DP technique is significantly more complex than it is for conventional 3D concrete printing processes, several closed-loop online control routines were developed and integrated. The resulting gain of control for this adaptive fabrication process is demonstrated through a case study for the production of a complexes reinforced concrete component. Moreover, its conceptual implications are discussed and an outlook for future work is given.
Organisation(s): Institute for Assembly Technology and Robotics
External Organisation(s): Technische Universität Braunschweig
Type: Contribution to book/anthology
Pages: 287-298
No. of pages: 12
Publication date: 30.08.2018
Publication status: Published
Peer reviewed: Yes
ASJC Scopus subject areas: Civil and Structural Engineering, Building and Construction, Mechanics of Materials
Electronic version(s): https://doi.org/10.1007/978-3-319-99519-9_27 (Access: Closed)

BibTeX

@inbook{bdbc085d39fa4efa90ba4c8a72fd8bf8,
title = "Development of a shotcrete 3D-printing (SC3DP) technology for additive manufacturing of reinforced freeform concrete structures",
abstract = "In this paper, a novel Additive Manufacturing (AM) technique for robot-based fabrication of large-scale freeform reinforced concrete elements is presented. The AM technology, called Shotcrete 3D Printing (SC3DP), is based on an automated shotcreteing process and offers the ability to integrate structural reinforcement in both principal directions and enables printing of horizontal cantilevers onto vertical surfaces. Moreover, the SC3DP technique effectively addresses the problem of cold joints that is inherent to other 3D printing techniques. However, as controlling the process parameters of the SC3DP technique is significantly more complex than it is for conventional 3D concrete printing processes, several closed-loop online control routines were developed and integrated. The resulting gain of control for this adaptive fabrication process is demonstrated through a case study for the production of a complexes reinforced concrete component. Moreover, its conceptual implications are discussed and an outlook for future work is given.",
keywords = "3D printing, Concrete reinforcement, Online path-planning, Robotic fabrication, Shotcrete 3D printing",
author = "H. Lindemann and R. Gerbers and Serhat Ibrahim and F. Dietrich and E. Herrmann and K. Dr{\"o}der and Annika Raatz and H. Kloft",
year = "2018",
month = aug,
day = "30",
doi = "10.1007/978-3-319-99519-9_27",
language = "English",
series = "RILEM Bookseries",
publisher = "Springer Netherlands",
pages = "287--298",
booktitle = "RILEM Bookseries",
address = "Netherlands",
}