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dc.contributor.authorPanda, Biranchien
dc.contributor.authorTan, Ming Jenen
dc.identifier.citationPanda, B., & Tan, M. J. (2018). Experimental study on mix proportion and fresh properties of fly ash based geopolymer for 3D concrete printing. Ceramics International, 44(9), 10258-10265. doi:10.1016/j.ceramint.2018.03.031en
dc.description.abstractThis paper presents the material design and fresh properties of geopolymer mortar developed for 3D concrete printing application. Unlike traditional casting, in 3D printing, extruded materials are deposited layer-by-layer to build complex architectural and structural components without the need of any formwork and human intervention. Extrudability, shape retention, buildability and thixotropic open time (TOT) are identified as critical early-age properties to characterize the 3D printable geopolymer material. Five different mix designs of geopolymer are tested in a systematic experimental approach to obtain a best printable mix and later it is used to print a 60-centimeter-tall freeform structure using a concrete gantry printer to validate the formulation.en
dc.description.sponsorshipNRF (Natl Research Foundation, S’pore)en
dc.format.extent25 p.en
dc.relation.ispartofseriesCeramics Internationalen
dc.rights© 2018 Elsevier Ltd and Techna Group S.r.l. All rights reserved. This paper was published by Elsevier in Ceramics International and is made available with permission of Elsevier Ltd and Techna Group S.r.l.en
dc.subject3D Concrete Printingen
dc.subjectEngineering::Mechanical engineeringen
dc.titleExperimental study on mix proportion and fresh properties of fly ash based geopolymer for 3D concrete printingen
dc.typeJournal Articleen
dc.contributor.schoolSchool of Mechanical and Aerospace Engineeringen
dc.contributor.researchSingapore Centre for 3D Printingen
dc.description.versionAccepted versionen
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