Influences of Engineering Spoil on the Properties and Microstructure of 3D Printable Magnesium-Cement (2023-09)¶
10.1016/j.conbuildmat.2023.133150
, , Tang Wei, Wu Chun-ran, Kou Shi-cong
Journal Article - Construction and Building Materials, Vol. 404, No. 133150
Abstract
Using magnesium cement to solidify engineering spoil (ES) is an eco-friendly option for disposing of solid waste. This paper proposes a novel type of magnesium cement for 3D printing (MC-3DP) using ES as an additive to magnesium oxychloride cement (MOC). The effect of the ES on the mechanical properties and water resistance of the MC-3DP paste and mortar were investigated. The MC-3DP paste was subjected to a hydration heat test and microscopic tests (X-ray diffraction and scanning electron microscopy). The 3D printing properties of the MC-3DP paste were evaluated, including the open time, flowability, extrudability, buildability, and hardened properties. The results showed that the ES improved the MC-3DP’s mechanical properties and water resistance. The results of the hydration heat test, XRD analysis, and SEM analysis revealed that the addition of ES did not result in new hydration products in the MC-3DP paste. Instead, the ES served as a filler and improved the performance of MC-3DP. Additionally, the ES addition significantly improved the printing properties of the MC-3DP paste, and the degree of improvement increased with the ES content. Our results provide new insights into developing methods to upcycle ES.
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BibTeX
@article{luo_cui_tang_wu.2023.IoESotPaMo3PMC,
author = "Fuming Luo and Peng Cui and Wei Tang and Chun-ran Wu and Shi-cong Kou",
title = "Influences of Engineering Spoil on the Properties and Microstructure of 3D Printable Magnesium-Cement",
doi = "10.1016/j.conbuildmat.2023.133150",
year = "2023",
journal = "Construction and Building Materials",
volume = "404",
pages = "133150",
}
Formatted Citation
F. Luo, P. Cui, W. Tang, C.-. ran . Wu and S.-. cong . Kou, “Influences of Engineering Spoil on the Properties and Microstructure of 3D Printable Magnesium-Cement”, Construction and Building Materials, vol. 404, p. 133150, 2023, doi: 10.1016/j.conbuildmat.2023.133150.
Luo, Fuming, Peng Cui, Wei Tang, Chun-ran Wu, and Shi-cong Kou. “Influences of Engineering Spoil on the Properties and Microstructure of 3D Printable Magnesium-Cement”. Construction and Building Materials 404 (2023): 133150. https://doi.org/10.1016/j.conbuildmat.2023.133150.