M. Sc. Niklas Freund

2023 | David, M., Freund, N., Dröder, K., Lowke, D.: The effects of nozzle diameter and length on the resulting strand properties for shotcrete 3D printing. In: Material and Structures 56, 157 (2023).
https://doi.org/10.1617/s11527-023-02246-1

2023 | R. Dörrie, N. Freund, E. Herrmann, A. Baghdadi, I., Mai, F. Galli, M. David, K. Dröder, D. Lowke, H. Kloft: Automated force-flow-oriented reinforcement integration for Shotcrete 3D Printing. In: Automation in Construction, 155, p.105075, https://doi.org/10.1016/j.autcon.2023.105075
https://doi.org/10.3390/buildings12111806

2023 | N. Freund, M. David, D. Böhler, I. Mai, S. Ullmann, K. Dröder, D. Lowke: Shotcrete 3D Printing – Interaction of nozzle geometry, homogeneity and hardened concrete properties. In: International Conference on Building Materials (ibausil) 2023

2023 | D. Böhler, N. Freund, I. Mai, D. Lowke, D: Shotcrete 3D Printing – Effect of material-process interaction on the global and local material density. In: International Conference on Building Materials (ibausil) 2023

2022 | Lachmayer, L.; Böhler, D.; Freund, N.; Mai, I.; Lowke, D.; Raatz, A.: Modelling the influence of material and process parameters on shotcrete 3D printing strands – cross-section adjustment for automatic robotic manufacturing. Automation in Construction, Volume 145, https://doi.org/10.1016/j.autcon.2022.104626

2022 | Lowke, D.; Gehlen, C.; Kloft, H.; Freund, N.; Matthäus, C.: Bewehrungskonzepte beim 3D-Druck von Konstruktionsbeton. In: BfT International, 02.2021, S. 92.

2022 | Böhler, D., Mai, I., Freund, N., Lachmayer, L., Raatz, A., Lowke, D.: Influence of Material and Process Parameters on Hardened State Properties of Shotcrete 3D-Printed Elements. In: Buswell, R., Blanco, A., Cavalaro, S., Kinnell, P. (eds) Third RILEM International Conference on Concrete and Digital Fabrication. DC 2022. RILEM Bookseries, vol 37. Springer, Cham.
https://doi.org/10.1007/978-3-031-06116-5_38

2022 | Buswell, R. A.; Bos, F. P.; Leal da Silva, W. R.; Hack, N.; Kloft, H.; Lowke, D.; Freund, N.; Fromm, A.; Dini, E.; Wangler, T.; Lloret-Fritschi, E.; Schipper, R.; Mechtcherine, V.; Perrot, A.; Vasilic, K.; Roussel, N.: Digital Fabrication with Cement-Based Materials: Process Classification and Case Studies. In: Roussel, N. and Lowke, D. (2022). Digital Fabrication with Cement-Based Materials (Reports 36). RILEM State-of-the-Art. DOI: https://doi.org/10.1007/978-3-030-90535-4_2

2022 | Freund, N., & Lowke, D.: Interlayer Reinforcement in Shotcrete-3D-Printing: Interlayer Reinforcement in Shotcrete-3D-Printing: The Effect of Accelerator Dosage on the Resulting Bond Behavior of Integrated Reinforcement Bars. In: Open Conference Proceedings, 1, 83–95, 2022
https://doi.org/10.52825/ocp.v1i.72

2021 | Mai, I.; Brohmann, L.; Freund, N.; Gantner, S.; Kloft, H.; Lowke, D.; Hack, N.: Large Particle 3D Concrete Printing – A Green and Viable Solution. In: Materials, 14, 6125, 2021. DOI: https://doi.org/10.3390/ma14206125.

2021 | Lowke, D.; Gehlen, C.; Kloft, H.; Freund, N.; Matthäus, C.: Bewehrungskonzepte beim 3D-Druck von Konstruktionsbeton. In: BfT International, 02.2021, S. 92, 2021.

2020 | Freund, N.; Dressler, I.; Lowke, D.: Studying the Bond Properties of Vertical Integrated Short Reinforcement in the Shotcrete 3D Printing Process. In: RILEM Bookseries 28, pp. 612–621, 2020. – DOI: https://doi.org/10.1007/978-3-030-49916-7_62.

2020 | Dressler, I.; Freund, N.; Lowke, D.: Control of Strand Properties Produced with Shotcrete 3D Printing by Accelerator Dosage amd Process Parameters. In: RILEM Bookseries 28, pp. 42–52, 2020. – DOI: https://doi.org/10.1007/978-3-030-49916-7_5.

2020 | Dreßler, I.; Freund, N.; Lowke, D.: The Effect of Accelerator Dosage on Fresh Concrete Properties and on Interlayer Strength in Shotcrete 3D Printing. In: Materials 2020, 13, 374, 2020. – DOI: https://doi.org/10.3390/ma13020374.