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Using Limestone Powder as a Carrier for the Accelerator in Extrusion-Based 3D Concrete Printing
Aiming at obtaining good shape stability after extrusion, accelerators are used in extrusion-based 3D concrete printing. Instead of injecting a liquid accelerator into fresh concrete, limestone slurry is proposed as a carrier for the dry accelerator in this study. As such, two pumpable mixtures (a Portland cement-based mixture and a limestone powder-based mixture) and a combination of these two mixtures (a combined mixture) were prepared. The flow behaviors and structural build-up were investigated, respectively.
Using Limestone Powder as a Carrier for the Accelerator in Extrusion-Based 3D Concrete Printing
Aiming at obtaining good shape stability after extrusion, accelerators are used in extrusion-based 3D concrete printing. Instead of injecting a liquid accelerator into fresh concrete, limestone slurry is proposed as a carrier for the dry accelerator in this study. As such, two pumpable mixtures (a Portland cement-based mixture and a limestone powder-based mixture) and a combination of these two mixtures (a combined mixture) were prepared. The flow behaviors and structural build-up were investigated, respectively.
Using Limestone Powder as a Carrier for the Accelerator in Extrusion-Based 3D Concrete Printing
RILEM Bookseries
Buswell, Richard (editor) / Blanco, Ana (editor) / Cavalaro, Sergio (editor) / Kinnell, Peter (editor) / Tao, Yaxin (author) / Lesage, Karel (author) / Van Tittelboom, Kim (author) / Yuan, Yong (author) / De Schutter, Geert (author)
RILEM International Conference on Concrete and Digital Fabrication ; 2022 ; Loughborough, United Kingdom
Third RILEM International Conference on Concrete and Digital Fabrication ; Chapter: 46 ; 311-317
RILEM Bookseries ; 37
2022-06-25
7 pages
Article/Chapter (Book)
Electronic Resource
English
Properties of Composite Modified with Limestone Powder for 3D Concrete Printing
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