Static Mixing for Set-on-Demand of Digital Concrete
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Author / Producer
Date
2024
Publication Type
Conference Paper
ETH Bibliography
yes
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Abstract
Digital fabrication with concrete requires set-on-demand and self-support of fresh material without formwork. To this end, the twin-pipe pumping strategy has been proposed, employing a motionless static mixer to introduce a chemical trigger into fresh concrete. In this short paper, we present the concept and recent progress in twin-pipe pumping. We start with the characterization and optimization of the static mixing process in both numerical and experimental approaches. This is followed by an overview of various twin-mixture designs based on different hydration reaction mechanisms. Finally, the mechanical behavior of twin-pipe concrete is discussed.
Permanent link
Publication status
published
External links
Book title
Fourth RILEM International Conference on Concrete and Digital Fabrication
Journal / series
Volume
53
Pages / Article No.
107 - 115
Publisher
Springer
Event
4th International Conference on Concrete and Digital Fabrication (Digital Concrete 2024)
Edition / version
Methods
Software
Geographic location
Date collected
Date created
Subject
Digital concrete; 3D printing; Set-on-demand; Inline mixing; Static mixer
Organisational unit
03891 - Flatt, Robert J. / Flatt, Robert J.
02284 - NFS Digitale Fabrikation / NCCR Digital Fabrication
Notes
Conference Presentation held on September 5, 2024.