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Author
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Abstract
Extrusion-based concrete 3D printing is getting broader attention in academia and industry. However, the larger interconnected pores at the interlayer region reduce the mechanical integrity and durability performance of 3D printed concrete elements. The present study investigates the influence of layer improvement techniques on the transport properties of 3D printed elements. Printed concrete wall elements were prepared with and without fresh cement paste applied in between the layers. The transport of chloride and moisture was investigated by measuring the non-steady-state migration coefficient and the conductivity. It was observed that the application of fresh cement paste at the interlayer decreased the migration coefficient as compared to the printed samples without cement paste in between the layers. The study gives further insights into the transport of ions through the interconnected interlayer region and the influence of the interlayer bond improvement technique on the transport properties.
Keywords
3D printing, interlayer, migration coefficient, porosity, sla

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Citation

Please use this url to cite or link to this publication:

MLA
K Mohan, Manu, et al. “Transport Properties of 3D Printed Concrete Elements.” 76th Annual RILEM Week and the International Conference on Regeneration and Conservation of Structures (ICRCS 2022), Proceedings, 2022.
APA
K Mohan, M., Rahul, A. V., De Schutter, G., & Van Tittelboom, K. (2022). Transport properties of 3D printed concrete elements. 76th Annual RILEM Week and the International Conference on Regeneration and Conservation of Structures (ICRCS 2022), Proceedings. Presented at the 76th RILEM Annual Week and International Conference and Conservation of Structures (ICRCS2022), Kyoto, Japan.
Chicago author-date
K Mohan, Manu, A.V. Rahul, Geert De Schutter, and Kim Van Tittelboom. 2022. “Transport Properties of 3D Printed Concrete Elements.” In 76th Annual RILEM Week and the International Conference on Regeneration and Conservation of Structures (ICRCS 2022), Proceedings.
Chicago author-date (all authors)
K Mohan, Manu, A.V. Rahul, Geert De Schutter, and Kim Van Tittelboom. 2022. “Transport Properties of 3D Printed Concrete Elements.” In 76th Annual RILEM Week and the International Conference on Regeneration and Conservation of Structures (ICRCS 2022), Proceedings.
Vancouver
1.
K Mohan M, Rahul AV, De Schutter G, Van Tittelboom K. Transport properties of 3D printed concrete elements. In: 76th annual RILEM week and the International Conference on Regeneration and Conservation of Structures (ICRCS 2022), Proceedings. 2022.
IEEE
[1]
M. K Mohan, A. V. Rahul, G. De Schutter, and K. Van Tittelboom, “Transport properties of 3D printed concrete elements,” in 76th annual RILEM week and the International Conference on Regeneration and Conservation of Structures (ICRCS 2022), Proceedings, Kyoto, Japan, 2022.
@inproceedings{01GS7F4PXWZWV363MTSXJABVZ7,
  abstract     = {{Extrusion-based concrete 3D printing is getting broader attention in academia and industry. However, the larger interconnected pores at the interlayer region reduce the mechanical integrity and durability performance of 3D printed concrete elements. The present study investigates the influence of layer improvement techniques on the transport properties of 3D printed elements. Printed concrete wall elements were prepared with and without fresh cement paste applied in between the layers. The transport of chloride and moisture was investigated by measuring the non-steady-state migration coefficient and the conductivity. It was observed that the application of fresh cement paste at the interlayer decreased the migration coefficient as compared to the printed samples without cement paste in between the layers. The study gives further insights into the transport of ions through the interconnected interlayer region and the influence of the interlayer bond improvement technique on the transport properties.}},
  author       = {{K Mohan, Manu and Rahul, A.V. and De Schutter, Geert and Van Tittelboom, Kim}},
  booktitle    = {{76th annual RILEM week and the International Conference on Regeneration and Conservation of Structures (ICRCS 2022), Proceedings}},
  keywords     = {{3D printing,interlayer,migration coefficient,porosity,sla}},
  language     = {{eng}},
  location     = {{Kyoto, Japan}},
  pages        = {{4}},
  title        = {{Transport properties of 3D printed concrete elements}},
  year         = {{2022}},
}