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Book Chapter: Impact of 3D printing direction on mechanical performance of strain-hardening cementitious composite (SHCC)

TitleImpact of 3D printing direction on mechanical performance of strain-hardening cementitious composite (SHCC)
Authors
Keywords3D printing
Additive manufacturing
Fibre distribution
Printable concrete
Strain-hardening cementitious composite
Tensile performance
Issue Date2019
Citation
RILEM Bookseries, 2019, v. 19, p. 255-265 How to Cite?
AbstractAutomatically adding or even printing steel reinforcements into a 3D-printed concrete structure is antithetical to the design freedom as well as construction ease and efficiency. Strain-Hardening Cementitious Composite (SHCC) is a kind of short random fibre reinforced cementitious composites exhibiting robust tensile strain-hardening and multiple cracking, which has potentials to reduce or even eliminate the need for steel reinforcements in printed concrete structures. Since one of the main disadvantages of 3D-printed structures is the anisotropy, this study aims to evaluate the impact of 3D printing directions on the tensile and compressive performance of self-reinforced SHCC materials. Four series of SHCC specimens with the same mix proportion but different printing patterns (including Parallel, Perpendicular, Cross and Normal Casting) were prepared and tested under uniaxial tension and compression, and the single-crack fibre-bridging constitutive relations were micromechanically modelled to physically support the experimental results. The findings of this study can support the future design and manufacturing of 3D-printed concrete structures using fibre-reinforced materials.
Persistent Identifierhttp://hdl.handle.net/10722/334558
ISSN
2023 SCImago Journal Rankings: 0.228
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorYu, Jing-
dc.contributor.authorLeung, Christopher K.Y.-
dc.date.accessioned2023-10-20T06:49:00Z-
dc.date.available2023-10-20T06:49:00Z-
dc.date.issued2019-
dc.identifier.citationRILEM Bookseries, 2019, v. 19, p. 255-265-
dc.identifier.issn2211-0844-
dc.identifier.urihttp://hdl.handle.net/10722/334558-
dc.description.abstractAutomatically adding or even printing steel reinforcements into a 3D-printed concrete structure is antithetical to the design freedom as well as construction ease and efficiency. Strain-Hardening Cementitious Composite (SHCC) is a kind of short random fibre reinforced cementitious composites exhibiting robust tensile strain-hardening and multiple cracking, which has potentials to reduce or even eliminate the need for steel reinforcements in printed concrete structures. Since one of the main disadvantages of 3D-printed structures is the anisotropy, this study aims to evaluate the impact of 3D printing directions on the tensile and compressive performance of self-reinforced SHCC materials. Four series of SHCC specimens with the same mix proportion but different printing patterns (including Parallel, Perpendicular, Cross and Normal Casting) were prepared and tested under uniaxial tension and compression, and the single-crack fibre-bridging constitutive relations were micromechanically modelled to physically support the experimental results. The findings of this study can support the future design and manufacturing of 3D-printed concrete structures using fibre-reinforced materials.-
dc.languageeng-
dc.relation.ispartofRILEM Bookseries-
dc.subject3D printing-
dc.subjectAdditive manufacturing-
dc.subjectFibre distribution-
dc.subjectPrintable concrete-
dc.subjectStrain-hardening cementitious composite-
dc.subjectTensile performance-
dc.titleImpact of 3D printing direction on mechanical performance of strain-hardening cementitious composite (SHCC)-
dc.typeBook_Chapter-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1007/978-3-319-99519-9_24-
dc.identifier.scopuseid_2-s2.0-85052699653-
dc.identifier.volume19-
dc.identifier.spage255-
dc.identifier.epage265-
dc.identifier.eissn2211-0852-
dc.identifier.isiWOS:000465013600024-

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