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dc.contributor.author
Boscaro, Federica
dc.contributor.author
Quadranti, Elia
dc.contributor.author
Wangler, Timothy
dc.contributor.author
Mantellato, Sara
dc.contributor.author
Reiter, Lex
dc.contributor.author
Flatt, Robert J.
dc.date.accessioned
2021-09-01T16:05:22Z
dc.date.available
2021-08-31T02:39:51Z
dc.date.available
2021-09-01T16:05:22Z
dc.date.issued
2021
dc.identifier.issn
2329-7662
dc.identifier.issn
2329-7670
dc.identifier.other
10.1089/3dp.2020.0350
en_US
dc.identifier.uri
http://hdl.handle.net/20.500.11850/503122
dc.description.abstract
Digital fabrication with concrete is considered to potentially revolutionize the construction sector and is often presented as a means to reduce its environmental footprint. However, at least in the case of concrete, it encounters significant challenges in terms of material design, since high paste volumes and Portland cement contents are normally used due to process requirements. In this article, the application to layered extrusion of a recently developed low clinker cement containing 50% Portland cement and 50% supplementary cementitious materials, such as limestone, burnt oil shale, and fly ash, is presented. It is found that an accelerator paste composed by Calcium Aluminate Cement (CAC) and anhydrite provides the required hydration and structural build-up for 3D printing, while not compromising the early and long-term compressive strength. Such a low clinker mortar can be successfully retarded, processed, pumped, and extruded just after mixing it in line with the accelerator paste. This accelerated mortar formulation contains only 303 kg/m(3) of Portland cement, which is roughly half the amount used in current accelerated formulations used for digital fabrication with concrete.
en_US
dc.language.iso
en
en_US
dc.publisher
Mary Ann Liebert, Inc.
en_US
dc.subject
Digital fabrication
en_US
dc.subject
blended cement
en_US
dc.subject
acceleration
en_US
dc.subject
rheology
en_US
dc.subject
hydration
en_US
dc.subject
Sustainable construction
en_US
dc.title
Eco-Friendly, Set-on-Demand Digital Concrete
en_US
dc.type
Journal Article
dc.date.published
2021-08-24
ethz.journal.title
3D Printing and Additive Manufacturing
ethz.identifier.wos
ethz.publication.place
New Rochelle, NY
en_US
ethz.publication.status
published
en_US
ethz.leitzahl
ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02115 - Dep. Bau, Umwelt und Geomatik / Dep. of Civil, Env. and Geomatic Eng.::02606 - Institut für Baustoffe (IfB) / Institute for Building Materials::03891 - Flatt, Robert J. / Flatt, Robert J.
ethz.leitzahl
ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02100 - Dep. Architektur / Dep. of Architecture::02284 - NFS Digitale Fabrikation / NCCR Digital Fabrication
ethz.leitzahl.certified
ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02115 - Dep. Bau, Umwelt und Geomatik / Dep. of Civil, Env. and Geomatic Eng.::02606 - Institut für Baustoffe (IfB) / Institute for Building Materials::03891 - Flatt, Robert J. / Flatt, Robert J.
ethz.date.deposited
2021-08-31T02:40:00Z
ethz.source
WOS
ethz.eth
yes
en_US
ethz.availability
Metadata only
en_US
ethz.rosetta.exportRequired
true
ethz.COinS
ctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.atitle=Eco-Friendly,%20Set-on-Demand%20Digital%20Concrete&rft.jtitle=3D%20Printing%20and%20Additive%20Manufacturing&rft.date=2021&rft.issn=2329-7662&2329-7670&rft.au=Boscaro,%20Federica&Quadranti,%20Elia&Wangler,%20Timothy&Mantellato,%20Sara&Reiter,%20Lex&rft.genre=article&rft_id=info:doi/10.1089/3dp.2020.0350&
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