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Title: Design 3D printing cementitious materials via Fuller Thompson theory and Marson-Percy model
Authors: Weng, Yiwei
Li, Mingyang
Tan, Ming Jen
Qian, Shunzhi
Keywords: Fuller Thompson Theory
Marson-Percy Model
Issue Date: 2018
Source: Weng, Y., Li, M., Tan, M. J., & Qian, S. (2018). Design 3D printing cementitious materials via Fuller Thompson theory and Marson-Percy model. Construction and Building Materials, 163, 600-610.
Series/Report no.: Construction and Building Materials
Abstract: Cementitious materials for 3D printing have special requirements for rheological properties, which are significantly affected by many factors, including sand gradation and packing fraction. Fuller Thompson theory and Marson-Percy model are classic approaches for sand gradation and packing fraction optimiza- tion, respectively. This paper attempts to apply Fuller Thompson theory and Marson-Percy model in designing cementitious materials for 3D Cementitious Materials Printing (3DCMP). Various gradation methods adopted in this study were Fuller Thompson gradation (mixture A), uniform-gradations (mix- ture B and C), gap-gradations (mixture D and E). Besides these mixtures with special gradation approaches, one mixture using natural river sand (mixture F) was prepared as well. Rheological proper- ties were characterized by static/dynamic yield stress and plastic viscosity in Bingham Plastic model. Buildability was examined by printing a column with 10 cm inner diameter via a gantry printer. Rheological test results indicate that mixture A designed by continuous gradation possesses the highest static/dynamic yield stress and lowest plastic viscosity. During printing test for buildability, mixture A can easily reach up to 40 layers without notable deformation, while all other mixtures deformed notice- ably and fell down before the 35th layer. Finally, a large-scale printing was carried out with mixture A and a structure with the height of 80 cm was printed successfully without notable deformation. Density, compressive strength and flexural strength of printed filaments were also characterized. Mechanical performance test results illustrate mixture A has the highest density and appropriate com- pressive strength, and a relative high flexural strength at different curing ages. These results indicate that Fuller Thompson theory and Marson-Percy model can serve as a reasonable guide for material rheology design for 3DCMP.
ISSN: 0950-0618
DOI: 10.1016/j.conbuildmat.2017.12.112
Rights: © 2017 Elsevier. This is the author created version of a work that has been peer reviewed and accepted for publication by Construction and Building Materials, Elsevier. It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: [].
Fulltext Permission: open
Fulltext Availability: With Fulltext
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