Rheological and Water Transport Properties of Cement-Pastes Modified with Diutan Gum and Attapulgite-Palygorskite-Nano-Clay for 3D Concrete Printing (2018-09)¶

10.1007/978-3-319-99519-9_6

Ma Siwei, Kawashima Shiho
Contribution - Proceedings of the 1^st RILEM International Conference on Concrete and Digital Fabrication, pp. 61-69

Abstract

This paper identifies and addresses two challenges in extrusionbased 3D concrete printing from a materials perspective. The first is the effect of self-weight and the weight of subsequent layers on structural build-up. And the second is the excessive water loss of printed materials due to the absence of formwork. Viscosity modifying admixtures (VMAs) are extensively used in cement-based 3D printing projects to achieve sufficient print quality, shape stability, and printability window. This study aims to evaluate VMAs’ effects on the two aforementioned challenges through investigating the evolution of static yield stress under sustained stress at rest and water retention capacity of cement pastes modified with nanoclay and diutan gum.

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9 References

7 Citations

BibTeX

@inproceedings{ma_kawa.2019.RaWTPoCPMwDGaAPNCf3CP,
  author            = "Siwei Ma and Shiho Kawashima",
  title             = "Rheological and Water Transport Properties of Cement-Pastes Modified with Diutan Gum and Attapulgite-Palygorskite-Nano-Clay for 3D Concrete Printing",
  doi               = "10.1007/978-3-319-99519-9_6",
  year              = "2019",
  volume            = "19",
  pages             = "61--69",
  booktitle         = "Proceedings of the 1st RILEM International Conference on Concrete and Digital Fabrication: Digital Concrete 2018",
  editor            = "Timothy Paul Wangler and Robert Johann Flatt",
}

Formatted Citation

IEEE

S. Ma and S. Kawashima, “Rheological and Water Transport Properties of Cement-Pastes Modified with Diutan Gum and Attapulgite-Palygorskite-Nano-Clay for 3D Concrete Printing”, in Proceedings of the 1^st RILEM International Conference on Concrete and Digital Fabrication: Digital Concrete 2018, 2019, vol. 19, pp. 61–69. doi: 10.1007/978-3-319-99519-9_6.

CMOS

Ma, Siwei, and Shiho Kawashima. “Rheological and Water Transport Properties of Cement-Pastes Modified with Diutan Gum and Attapulgite-Palygorskite-Nano-Clay for 3D Concrete Printing”. In Proceedings of the 1^st RILEM International Conference on Concrete and Digital Fabrication: Digital Concrete 2018, edited by Timothy Paul Wangler and Robert Johann Flatt, 19:61–69, 2019. https://doi.org/10.1007/978-3-319-99519-9_6.