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Low Global-Warming-Potential and Resource-Efficient 3D Printing Cement-Based Concrete (2025-01)

10.1007/978-3-031-80724-4_52

 Obermeier Nico,  Richter Christiane,  Wiese Felix,  Stengel Thorsten
Contribution - Proceedings of the 4th fib International Conference on Concrete Sustainability, pp. 422-429

Abstract

3D printing cement-based materials are often mortars based on a considerable amount of binder materials and high-quality fine sands. Indeed, most of the research and realized projects are 3D-printed fine-grained mortars with round or crushed natural sand. As raw materials for construction materials, especially high-quality sands, are becoming less available, this research project aims to use 100% recycled aggregates (RA) for 3D printing concrete with a maximum grain size of 8 mm. In addition to incorporating 100% recycled aggregates (RA), the goal is to develop 3D printing material with a reduced Global Warming Potential (GWP), e.g., by using low binder – especially Portland cement – contents. Therefore, a packing density optimization was performed to reduce the amount of Portland cement below 200 kg/m3. This paper overviews the first results on fresh and hardened concrete properties using 100% RA for 3D printing concrete and low cement content.

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0 Citations

BibTeX 
@inproceedings{ober_rich_wies_sten.2024.LGWPaRE3PCBC,
  author            = "Nico Obermeier and Christiane Richter and Felix Wiese and Thorsten Stengel",
  title             = "Low Global-Warming-Potential and Resource-Efficient 3D Printing Cement-Based Concrete",
  doi               = "10.1007/978-3-031-80724-4_52",
  year              = "2024",
  volume            = "574",
  pages             = "422--429",
  booktitle         = "Proceedings of the 4th fib International Conference on Concrete Sustainability",
  editor            = "Joaquim A. O. Barros and Vítor M. C. F. Cunha and Hélder S. Sousa and José C. Matos and José M. Sena-Cruz",
}
Formatted Citation

N. Obermeier, C. Richter, F. Wiese and T. Stengel, “Low Global-Warming-Potential and Resource-Efficient 3D Printing Cement-Based Concrete”, in Proceedings of the 4th fib International Conference on Concrete Sustainability, 2024, vol. 574, pp. 422–429. doi: 10.1007/978-3-031-80724-4_52.

Obermeier, Nico, Christiane Richter, Felix Wiese, and Thorsten Stengel. “Low Global-Warming-Potential and Resource-Efficient 3D Printing Cement-Based Concrete”. In Proceedings of the 4th Fib International Conference on Concrete Sustainability, edited by Joaquim A. O. Barros, Vítor M. C. F. Cunha, Hélder S. Sousa, José C. Matos, and José M. Sena-Cruz, 574:422–29, 2024. https://doi.org/10.1007/978-3-031-80724-4_52.