People
is a doctoral researcher at the TT Professorship for Digital Fabrication within TUM. With background in structural design and engineering, he will develop strategies for using mobile robotic systems performing extrusion-based AM on construction sites. Fundamentally, this work is interdisciplinary, and he therefore strives for a high degree of collaboration within, but not limited to, the TRR277.
Project(s)
Principles of Mobile Robotics for Additive Manufacturing in Construction
Central Tasks of the AMC
Publications
All publications from M. Sc. Gido DielemansPublications from M. Sc. Gido Dielemans
Publications
2023 | G. Dielemans, L. Lachmayer, N. Kadher, N. Hack, A. Raatz, K. Dörfler: Robotic Repair: In-place 3D Printing for Repair of Building Components using a Mobile Robot. In: 4th International Conference on 3D Construction Printing (4th 3DcP), Singapore; Springer.
2022 | Dielemans, G.; Lachmayer, L.; Recker, T.; Atanasova, L.; Hechtl, M.; Matthäus, C.; Raatz, A.; Dörfler, K.: Mobile Additive Manufacturing: A Case Study of Clay Formwork for Bespoke in Situ Concrete Construction. 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_3
2022 | Dörfler, K.; Dielemans, G.; Lachmayer, L.; Recker, T.; Raatz, A.; Lowke, D.; Gerke, M.: Additive Manufacturing using mobile robots: Opportunities and challenges for building construction. In: Cem. Concr. Res., vol. 158, Aug. 2022, doi: 10.1016/J.CEMCONRES.2022.106772.
2022 | Lachmayer, Recker, T.; Dielemans, G.; Dörfler, K.; Raatz, A.: Autonomous sensing and localization of a mobile robot for multi-step additive manufacturing in construction. In: 24th International society for photogrammetry and remote sensing, 2022
https://doi.org/10.5194/isprs-archives-XLIII-B1-2022-453-2022
2021 | Dielemans, G., Briels, D., Jaugstetter, F., Henke, K., Dörfler, K.: Additive Manufacturing of Thermally Enhanced Lightweight Concrete Wall Elements with Closed Cellular Structures. In: Journal of Facade Design & Engineering, 9(1), 59–72. – DOI: https://doi.org/10.7480/jfde.2021.1.5418.
2021 | Dielemans, G., Dörfler, K.: Mobile Additive Manufacturing: a robotic system for cooperative on-site construction. In: IROS 2021 Workshop Robotic Fabrication: Sensing in Additive Construction, 2021.
is a researcher at Institute of Building Materials, Concrete Construction and Fire Safety and works for the project A01.
Project(s)
Particle-Bed 3D Printing by Selective Cement Activation (SCA) – Sustainability, process enhancement and material models
Publications
All publications from M. Sc. Evelien DorresteijnPublications from M. Sc. Evelien Dorresteijn
Publications
leads the scientific staff in the conception and execution of the research, and in questions of validation of the proposed methods. She is also responsible for the coordination of the cooperating research projects in the TRR 277. She is the Co-Spokesperson of the TRR 277. Dörfler supports Kloft as contact person for the DFG, in general public relation matters and also in representing the TRR 277 externally. Internally, Dörfler assists Kloft in the coordination between the research projects, as well as in the decisions on the financing of research tasks in the TRR 277.
Project(s)
Earth Additive Manufacturing (EAM) – Material and Process Combinations for AM with Earth-based Materials
Principles of Mobile Robotics for Additive Manufacturing in Construction
Learning, Sustainability, Design: Gender-equitable introduction of AMC to the public
Central Tasks of the AMC
Publications from Prof. Dr. sc. ETH Kathrin Dörfler
Publications
2024 |J. Fleckenstein, B. Knychalla, D. Briels, A. Baghdadi, G. Placzek, F. Herding, P. Schwerdtner, T. Auer, D. Lowke, H. Kloft, K. Dörfler, P. Ayres, M. R. Thomsen, B. Sheil, M. Skavara: BREUER X AM: Functional hybridisation in concrete building envelope elements through additive manufacturing, Fabricate 2024: Creating Resourceful Futures, UCL Press, 2024, 196–205, https://doi.org/10.2307/jj.11374766.29
2023 | G. Dielemans, L. Lachmayer, N. Kadher, N. Hack, A. Raatz, K. Dörfler: Robotic Repair: In-place 3D Printing for Repair of Building Components using a Mobile Robot. In: 4th International Conference on 3D Construction Printing (4th 3DcP), Singapore; Springer.
2023 | D. Briels, M. Renz, A. Nouman, A. Straßer, M. Hechtl, M. Dahlenburg, B. Knychalla, P. Sonnleitner, F. Herding, J. Fleckenstein, E. Krakovská, K. Dörfler, T. Auer: Monolithic AM Façade: Multi-Objective Parametric Design Optimization of Additively Manufactured Insulating Wall Elements. In: Frontiers in Built Environment ., vol. 9, 2023 doi: 10.3389/fbuil.2023.1286933
2022 | Dielemans, G.; Lachmayer, L.; Recker, T.; Atanasova, L.; Hechtl, M.; Matthäus, C.; Raatz, A.; Dörfler, K.: Mobile Additive Manufacturing: A Case Study of Clay Formwork for Bespoke in Situ Concrete Construction. 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_3
2022 | Dörfler, K.; Dielemans, G.; Lachmayer, L.; Recker, T.; Raatz, A.; Lowke, D.; Gerke, M.: Additive Manufacturing using mobile robots: Opportunities and challenges for building construction. In: Cem. Concr. Res., vol. 158, Aug. 2022, doi: 10.1016/J.CEMCONRES.2022.106772.
2022 | Lachmayer, Recker, T.; Dielemans, G.; Dörfler, K.; Raatz, A.: Autonomous sensing and localization of a mobile robot for multi-step additive manufacturing in construction. In: 24th International society for photogrammetry and remote sensing, 2022
https://doi.org/10.5194/isprs-archives-XLIII-B1-2022-453-2022
2021 | Borrmann, A.; Bruckmann, T.; Dörfler, K.; Hartmann, T.; Smarsly, K.: Towards realizing the information backbone of robotized construction – Computational methods and cyber-physical architectures for collaborative robotic fleets. In: Proc. of the CIB W78 Conference, 2021.
2021 | Dielemans, G., Briels, D., Jaugstetter, F., Henke, K., Dörfler, K.: Additive Manufacturing of Thermally Enhanced Lightweight Concrete Wall Elements with Closed Cellular Structures. In: Journal of Facade Design & Engineering, 9(1), 59–72. – DOI: https://doi.org/10.7480/jfde.2021.1.5418.
2021 | Dielemans, G., Dörfler, K.: Mobile Additive Manufacturing: a robotic system for cooperative on-site construction. In: IROS 2021 Workshop Robotic Fabrication: Sensing in Additive Construction, 2021.
2021 | Kloft, H., Gehlen, C., Dörfler, K., Hack, N., Henke, K., Lowke, D., Mainka, J. and Raatz, A. (2021), TRR 277: Additive Fertigung im Bauwesen. In: Bautechnik, 98: 222-231. – DOI: https://doi.org/10.1002/bate.202000113.
is a doctoral researcher for the duration of the research project. He is leading the A04 project and organising the development of new concepts and strategies for the integration of reinforcement in SC3DP elements. Furthermore he is investigating the SC3DP process, its limitations and the spatial effect for the application in architecture and design within the work group of Prof. Dr.-Ing. Harald Kloft. Moreover, he will frequently publish the results achieved within the community.
Project(s)
Integrated Additive Manufacturing Processes for Reinforced Shotcrete 3D Printing (SC3DP) Elements with Precise Surface Quality
Publications
All publications from M. Sc. Robin DörriePublications from M. Sc. Robin Dörrie
Publications
2024 | L. Lachmayer, J. Quantz, H. Heeren, T. Recker, R. Dörrie, H. Kloft, A. Raatz: A spatial multi-layer control concept for strand geometry control in robot-based additive manufacturing processes, Fourth RILEM International Conference on Concrete and Digital Fabrication Munich, RILEM Bookseries, vol 53, Springer, 2024, https://doi.org/10.1007/978-3-031-70031-6_14
2024 | L. Lachmayer, T. Recker, L. Dittrich, R. Dörrie, H. Kloft, A. Raatz: Inline image-based reinforcement detection for concrete additive manufacturing processes using a convolutional neural network, Proceedings of the 41st ISARC,2024 https://doi.org/10.22260/ISARC2024/0007
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
2022 | R. Dörrie, V. Laghi, L. Arrè, G. Kienbaum, N. Babovic, N. Hack, H. Kloft: Combined Additive Manufacturing Techniques for Adaptive Coastline Protection Structures. In: Buildings, vol. 12, no. 11, p. 1806, 2022.
https://doi.org/10.3390/buildings12111806
2022 | R. Dörrie, and H. Kloft: Force-Flow compliant robotic path planning approach for reinforced concrete elements. In Proc. Int. Conf. on Concrete and Digital Fabrication, 2022, pp. 370-375.
2022 | Lachmayer L., Dörrie R., Kloft H., Raatz A.: Process Control for Additive Manufacturing of Concrete Components. In: RILEM Bookseries Vol. 37, pp. 351-356, (3rd RILEM International Conference on Concrete and Digital Fabrication (DC 2022), England), (6 pages), https://doi.org/10.1007/978-3-031-06116-5_52
2021 | Lachmayer, L.; Dörrie, R.; Kloft,H.; Raatz, A.: Automated shotcrete 3D printing – Printing interruption for extended component complexity. In: ISARC, 2021.
2021 | Baghdadi, A.; Doerrie, R.; Kloft, H.: New calculation approach for selecting and orienting the reinforcing material for robotic concrete manufacturing. In: Proceedings of the IASS Annual Symposium 2020/21 and the 7th International Conference on Spatial Structures Inspiring the Next Generation. 23 – 27 August, Guilford, UK, 2021.
advises the scientific staff in continuous consideration of the defined research objectives and investigates opportunities to generate novel research projects and publications. He is responsible for the content and organisational coordination of all work on the part of IWF.
Project(s)
Integrated Additive Manufacturing Processes for Reinforced Shotcrete 3D Printing (SC3DP) Elements with Precise Surface Quality
Publications
All publications from Prof. Dr.-Ing. Klaus DröderPublications from Prof. Dr.-Ing. Klaus Dröder
Publications
2024 | M. David, K. Dröder: Robot-Guided End Effector for an Automated Finishing of Concrete Free-Form Surfaces, Fourth RILEM International Conference on Concrete and Digital Fabrication Munich, RILEM Bookseries, Volume 53, Springer, 2024, https://doi.org/10.1007/978-3-031-70031-6_7
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
is a structural engineer and doctoral researcher at the TUB Institute for Structural Design (ITE). He is responsible for Project A10 where he is researching on Sprayed Earth Additive Manufacturing (SEAM). This includes general investigations on earthen constructions as well as development of the SEAM process and the optimization of material-process interactions. Within the project, he will carry out experimental studies and systematically evaluate the data in order to determine the key parameters of the SEAM process. In addition, he will design and investigate suitable applications in the context of construction in collaboration with other sub-projects.
Project(s)
Earth Additive Manufacturing (EAM) – Material and Process Combinations for AM with Earth-based Materials
Publications
All publications from M. Sc. Hannes EichlerPublications from M. Sc. Hannes Eichler
Publications
is a doctoral researcher at the IWF. He will be developing finite element models to be used in additive manufacturing. He will lead the implementation of mathematical approaches for model order reduction and work on system sensorization. He will frequently publish the results achieved within the community.
Project(s)
Process Control and Adaptive Path Planning for Additive Manufacturing Processes Based on Industrial Robots with an Extended Degree of Freedom
Publications
All publications from M. Sc. Virama EkanayakaPublications from M. Sc. Virama Ekanayaka
Publications
2024 | L. Lachmayer, T. Recker, V. Ekanayaka, A. Hürkamp, A. Raatz: Multi-model based additive manufacturing: A framework for automated large-scale 3D concrete printing with industrial robots, Proceedings of 2024 IEEE 20th International Conference on Automation Science and Engineering (CASE), https://doi.org/10.1109/CASE59546.2024.10711326
2023 |A. Hürkamp, V. Ekanayaka: A novel surrogate modelling approach for additive manufacturing processes in: PAMM (2023)
2023 |V. Ekanayaka, A. Hürkamp: Modeling of additive manufacturing processes with time-dependent material properties using physics-informed neural networks. In: PAMM (2023)
2022 | Ekanayaka, V.; Hürkamp, A. : Implementation of a surrogate model for a novel path-based finite element simulation for additive manufacturing processes in construction. In: PAMM. (2022.)
2022 | Ekanayaka, V.; Lachmayer, L.; Raatz, A; Hürkamp, A.: Approach to optimize the interlayer waiting time in additive manufacturing with concrete utilizing FEM modeling. In: Procedia CIRP Design, 2022
https://doi.org/10.1016/j.procir.2022.05.295
2021 | Lachmayer, L.; Ekanayaka, V.; Hürkamp, A.; Raatz, A.: Approach to an optimized printing path for additive manufacturing in construction utilizing FEM modeling. In: Procedia CIRP CMS, 2021.
instructs the research engineer at iBMB in the conceptual structure, execution and evaluation of the theoretical, experimental and numerical research work.
Project(s)
Jointing Principles for Combination of Concrete Elements Produced by Different Additive Manufacturing Processes
Publications from Prof. Dr.-Ing. Martin Empelmann
Publications
2022 | Lanwer, J.-P.; Weigel, H.; Baghdadi, A.; Empelmann, M.; Kloft, H.: Jointing Principles in AMC—Part 1: Design and Preparation of Dry Joints. In: Applied Sciences, 2022, 12, 4138
https://doi.org/10.3390/app12094138
2021 | Empelmann, M.; Kloft, H.: Practical solutions in additive manufacturing – Innovative jointing principles. In: BFT International 87, Issue 2, p. 93.
2020 | Kloft, H.; Empelmann, M.; Hack, N.; Herrmann, E. Lowke, D.: Bewehrungsstrategien für den Beton-3D-Druck. In: Beton- und Stahlbetonbau 115, 2020. – DOI: https://onlinelibrary.wiley.com/doi/epdf/10.1002/best.202000032.
is a doctoral researcher at the TT Professorship for Digital Fabrication at TUM with background in architecture. In her research, she explores site-specific digital design tools for robotically fabricated real-size mono-component building envelopes. As part of her association with the AMC, she is part of the interdisciplinary teaching team for the project “From Additive Manufacturing to Architecture” in 2022 and contributes as Design Lead for the collaborative demonstrator “Breuer x AM”.
Publications
All publications from Dipl. Ing. Julia FleckensteinPublications from Dipl. Ing. Julia Fleckenstein
Publications
2024 |J. Fleckenstein, B. Knychalla, D. Briels, A. Baghdadi, G. Placzek, F. Herding, P. Schwerdtner, T. Auer, D. Lowke, H. Kloft, K. Dörfler, P. Ayres, M. R. Thomsen, B. Sheil, M. Skavara: BREUER X AM: Functional hybridisation in concrete building envelope elements through additive manufacturing, Fabricate 2024: Creating Resourceful Futures, UCL Press, 2024, 196–205, https://doi.org/10.2307/jj.11374766.29
2023 | D. Briels, M. Renz, A. Nouman, A. Straßer, M. Hechtl, M. Dahlenburg, B. Knychalla, P. Sonnleitner, F. Herding, J. Fleckenstein, E. Krakovská, K. Dörfler, T. Auer: Monolithic AM Façade: Multi-Objective Parametric Design Optimization of Additively Manufactured Insulating Wall Elements. In: Frontiers in Built Environment ., vol. 9, 2023 doi: 10.3389/fbuil.2023.1286933
Project leader in A03 and B02. He instructs and supports the academic staff regarding bulk conveying and machine design questions.
Project(s)
Extrusion of Near-Nozzle Mixed Concrete –Individually Graded in Density and in Rate of 3D Fibre Reinforcement
Publications from Prof. Dr.-Ing. Johannes Fottner
Publications
2021 | Tan, Y.; Dahlenburg, M.; Kessler, S.; Fottner, J.: Virtual Prototyping mit DEM zur Entwicklung eines Near-Nozzle-Mixing Verfahrens für den additiven 3D Betondruck für den Roboter Einsatz. In: 25. Fachtagung Schüttgutfördertechnik. OVGU Magdeburg, 2021.
is a doctoral researcher for the duration of the research project. He will lead and organise the material development and testing program as well as the data evaluation and material modelling work within WG Lowke. Moreover, he will frequently publish the results achieved within the community.
Project(s)
Integrated Additive Manufacturing Processes for Reinforced Shotcrete 3D Printing (SC3DP) Elements with Precise Surface Quality
Publications
All publications from M. Sc. Niklas FreundPublications from M. Sc. Niklas Freund
Publications
2023 |D. Böhler, N. Freund, I. Mai, D. Lowke: Shotcrete 3D printing – effect of material‐process interaction on the global and local material density, ce/papers, 2023, 6, 770–776, https://doi.org/10.1002/cepa.2822
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.
investigates fibre reinforcement strategies as doctoral researcher. In collaboration with project partners he develops techniques for processing fibres to obtain suitable reinforcement structures for different AM methods. Beyond conception his work scope ranges from deriving representative part designs to physical testing including prototyping of toolings.
Project(s)
Integration of Individualized Prefabricated Fibre Reinforcement in Additive Manufacturing with Concrete
Publications
All publications from M. Sc. Stefan GantnerPublications from M. Sc. Stefan Gantner
Publications
2023 | T. Rothe, S. Gantner, N. Hack, C. Hühne: A Dynamic Winding Process of Individualized Fibre Reinforcement Structures for Additive Manufacturing in Construction. Open Conference Proceedings (2023)
2023 | T. Rothe, J. Pösch, S. Gantner, N. Hack, C. Hühne: Optimization of tensile properties and bond behaviour to concrete of fibre reinforcement strands produced within a dynamic fibre winding process. In: 11th International Conference on Fiber-Reinforced Polymer (FRP) Composites in Civil Engineering (CICE 2023), Rio de Janeiro, Brazil. 2023, July
https://doi.org/10.5281/zenodo.8133237
2022 | Gantner, S., Rennen, P., Rothe, T., Hühne, C., & Hack, N.: Core Winding: Force-Flow Oriented Fibre Reinforcement in Additive Manufacturing with Concrete. In: RILEM International Conference on Concrete and Digital Fabrication (pp. 391-396), (2022) Springer, Cham
2021 | Gantner, S.; Rothe, T.; Hühne, C.; Hack, N.: Reinforcement strategies for additive manufacturing in construction based on Dynamic Fibre Winding: Concepts and initial case studies. In: Vision and Strategies for Reinforcing Additively Manufactured Concrete Structures, Conference, Dresden, Germany, 2021.
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 | Hack, N.; Bahar, M.; Hühne, C.; Lopez, W.; Gantner, S.; Khader, N.; Rothe, T.: Development of a Robot-Based Multi-Directional Dynamic Fiber Winding Process for Additive Manufacturing Using Shotcrete 3D Printing. In: Fibers 2021, 9, 39, 2021. – DOI: https://doi.org/10.3390/fib9060039.
2020 | Hack, N.; Dressler, I.; Brohmann, L.; Gantner, S.; Lowke, D.; Kloft, H.: Injection 3D Concrete Printing (I3DCP): Basic Principles and Case Studies. In: Materials 2020, 13, 1093, 2020. – DOI: https://doi.org/10.3390/ma13051093.
Dean of TUM School of Engineering and Design, Head of cbm and leads project A02 and A03. He instructs and advises the academic staff regarding additive manufacturing and concrete technological questions. He is responsible for the coordination and quality control of all work of cbm. Untill Oct. 2021 he was the co-spokesperson of the TRR 277. He then became Dean of TUM School of Engineering and Design and handed over the tasks of Co-Speaker to Kathrin Dörfler.
Project(s)
Particle-Bed 3D Printing by Selective Cement Paste Intrusion (SPI) – Particle Surface Functionalisation, Particle Synthesis and Integration of WAAM Reinforcement
Extrusion of Near-Nozzle Mixed Concrete –Individually Graded in Density and in Rate of 3D Fibre Reinforcement
Publications from Prof. Dr.-Ing. Christoph Gehlen
Publications
2023 | A. Straßer, F. Riegger, L.D Hamilton, T. Kraenkel, C. Gehlen, M.F. Zaeh, A. Kwade: Selective Paste Intrusion: Integration of reinforcement by WAAM — Concept and current research with special attention to cooling strategies. Construction and Building Materials 2023, 406, 133236.
https://doi.org/10.1016/j.conbuildmat.2023.133236
2023 | K. Tischner, S. Rappl, F. Riegger, A. Strasser, K. Osterminski, T. Kraenkel, S. Baehr, M.F. Zaeh, C. Gehlen: Bond Behavior of WAAM Reinforcements in Comparison to Conventional Steel Reinforcements. In: Constr. Mater. 2023, 3, 217–232.
https://doi.org/10.3390/constrmater3020014
2023 | A. Straßer, T. Kränkel. C. Gehlen: Integrating Wire Arc Additive Manufacturing into Selective Paste Intrusion for Reinforced Concrete Elements: Effect of Temperature on the Mechanical Performance. In: ibausil 2023
2023 | A. Straßer, A. Haynack, T. Kränkel, C. Gehlen: Additive Manufacturing by the Selective Paste Intrusion Method: Effect of the Distance of the Print NozzIe to the Particle bed on the Print Quality. In: Preprints 2023, 2023030236.
https://doi.org/10.20944/preprints202303.0236.v1
2022 | Straßer, A.; Weger, D.; Matthäus, Carla; Kränkel, T.; Gehlen, C.: Combining Wire and Arc Additive Manufacturing and Selective Paste Intrusion for Additively Manufactured Structural Concrete. In: Visions and Strategies for Reinforcing Additively Manufactured Concrete Structures 61-72 (2022)
2022 | Straßer, A.; Matthäus, Carla; Weger, D.; Kränkel, T.; Gehlen, C.: Selective Paste Intrusion: Stability of Cement Paste Mixtures Towards Changing Ambient Temperature. In: Third RILEM International Conference 296–301 (2022)
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 | Lowke, D.; Mai, I.; Keita, E.; Perrot, A.; Weger, D.; Gehlen, C.; Herding, F.; Zuo, Wenqiang; Roussel, N.: Material-process interactions in particle bed 3D printing and the underlying physics. In: Cement and Concrete Research, CCR 156 (106748), 2022
https://doi.org/10.1016/j.cemconres.2022.106748
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.
2021 | Alaimo, G.; Carraturo, M.; Korshunova, N.; Kollmannsberger, S.: Numerical evaluation of high cycle fatigue life for additively manufactured stainless steel 316L lattice structures. In: Material Design and Processing Communication 3 (4), pp. e249, Wiley, 2021. – DOI: 10.1002/mdp2.249.
2021 | Gehlen, C.; Lowke, D.; Weger, D.; Dreßler, I.: Dauerhaftigkeit – Potenzial additiver Fertigung und Performance im Vergleich zu konventioneller Fertigung. In: BfT International, 02.2021, S. 94, 2021.
2021 | Weger, D.; Pierre, A.; Perrot, A.; Kränkel, T.; Lowke, D.; Gehlen, C.: Penetration of Cement Pastes into Particle-Beds: A Comparison of Penetration Models. In: Materials 2021, 14, 389. – DOI: https://doi.org/10.3390/ma14020389.
2021 | Weger, D.; Gehlen, C.: Particle-Bed Binding by Selective Paste Intrusion—Strength and Durability of Printed Fine-Grain Concrete Members. In: Materials 2021, 14, 586. – DOI: doi.org/10.3390/ma14030586.
2021 | Kloft, H., Gehlen, C., Dörfler, K., Hack, N., Henke, K., Lowke, D., Mainka, J. and Raatz, A. (2021), TRR 277: Additive Fertigung im Bauwesen. In: Bautechnik, 98: 222-231. – DOI: https://doi.org/10.1002/bate.202000113.
2020 | Matthäus, C.; Kofler, N.; Kränkel, T.; Weger, D.; Gehlen, C.: Interlayer Reinforcement Combined with Fiber Reinforcement for Extruded Lightweight Mortar Elements. In: Materials 2020, 13, 4778, 2020. – DOI: https://doi.org/10.3390/ma13214778.
2020 | Weger, D.; Baier, D.; Straßer, A.; Prottung, S.; Kränkel, T.; Bachmann, A.; Gehlen, C.; Zäh, M.: Reinforced Particle-Bed Printing by Combination of the Selective Paste Intrusion Method with Wire and Arc Additive Manufacturing – A First Feasibility Study. In: RILEM Bookseries 28, pp. 978–987, 2020. – DOI: https://doi.org/10.1007/978-3-030-49916-7_95.
2020 | Lowke, D.; Talke, D.; Dreßler, I.; Weger, D.; Gehlen, C.; Ostertag, C.; Rael, R.: Particle bed 3D printing by selective cement activation – Applications, material and process technology. In: Cement and Concrete Research 134,2020. – DOI: https://doi.org/10.1016/j.cemconres.2020.106077.
will substantially contribute to model development and implementation related aspects of WPs 1-2 and will contribute to the analysis of simulation results with special focus on WP 5.
Project(s)
Modelling and Simulation of Shotcrete 3D Printing (SC3DP) Based on a Massively Parallel Multi-Phase, Multi-Component Coupled LBM-DEM Approach
Publications from Prof. Dr. rer. nat. Martin Geier
Publications
2023 | O. Boolakee, M. Geier, L. De Lorenzis: A new lattice Boltzmann scheme for linear elastic solids: periodic problems. In: Computer methods in applied mechanics and engineering, 415 (2023) 116225
2023 | O. Boolakee, M. Geier, L. De Lorenzis: A new lattice Boltzmann scheme for linear elastic solids: periodic problems. In: Comput. Methods Appl. Mech. Engrg. 404 (2023) 115756
2021 | Geier, M.; Lenz, S.; Schönherr, M.; Krafczyk, M.: Under-resolved and large eddy simulations of a decaying Taylor-Green vortex with the cumulant lattice Boltzmann method. In: Theoretical and Computational Fluid. Dynamics 35, 169-208, 2021.
2021 | Geier, M.; Alihussein, H.: Computation of Implicit Representation of Volumetric Shells with Predefined Thickness. In: Algorithms 14.4, 125, 2021.
2021 | Geier, M.; Kutscher, K.; Krafczyk, M.: A Direct Effective Viscosity Approach for Modeling and Simulating Bingham Fluids with the Cumulant Lattice Boltzmann Method. In: Open Journal of Fluid Dynamics 11.01, 34, 2021. – DOI: https://www.scirp.org/html/3-2320649_107771.htm.
will instruct the other doc. researcher in the fields of surveying, scanning and machine learning. A particular task will be the coordination of participants involved with this and other projects.
Publications
All publications from Prof. Dr.-Ing. Markus GerkePublications from Prof. Dr.-Ing. Markus Gerke
Publications
2023 | K. Mawas, M. Maboudi, M. Gerke: Filament Extraction in 3D Printing of Shotcrete Walls from Terrestrial Laser Scanner Data. In: The ISPRS Geospatial (Egypt GSW’23) Remote Sensing For Better Future, September 2-7, 2023.
2023 | M. Maboudi, M. Homaei, S. Song, S. Malihi, M. Saadatseresht, and M. Gerke: A Review on Viewpoints and Path Planning for UAV-Based 3D Reconstruction. In: IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Volume: 16, 5026 – 5048 (2023)
doi: 10.1109/JSTARS.2023.3276427
2022 | M. Slepicka, K. Mawas, A. Borrmann, M. Maboudi, M. Gerke: Digital Twinning in Additive Manufacturing – Closing the Digital-Physical-Digital Loop by Automated Integration of Captured Geometric Data into Fabrication Information Models Advances in Information Technology in Civil and Building Engineering. ICCCBE 2022. Lecture Notes in Civil Engineering, vol 357. Springer, Cham
2022 | Hack, N.; Jantzen, C.; Brohmann, L.; Gerke, M.; Mawas, K.; Maboudi, M.: A Closed-Loop Workflow for Quality Inspection and Integrated Post-processing of 3D-Printed Concrete Elements. In: RILEM Bookseries, 364-369 (2022)
https://doi.org/10.1007/978-3-031-06116-5_54
2022 | Dörfler, K.; Dielemans, G.; Lachmayer, L.; Recker, T.; Raatz, A.; Lowke, D.; Gerke, M.: Additive Manufacturing using mobile robots: Opportunities and challenges for building construction. In: Cem. Concr. Res., vol. 158, Aug. 2022, doi: 10.1016/J.CEMCONRES.2022.106772.
2022 | Mawas K., Maboudi M., Gerke M.: Automatic geometric inspection in digital fabrication. In: ISPRS Congress (2022 edition), 6–11 June 2022, Nice, France
https://doi.org/10.5194/isprs-archives-XLIII-B1-2022-459-2022
2021 | Placzek, G., Brohmann, L., Mawas, K., Schwerdtner, P., Hack, N., Maboudi M., Gerke, M.: D.: A Lean-based Production Approach for Shotcrete 3D Printed Concrete Components. In: 2021 Proceedings of the 38th ISARC, Dubai, UAE, Pages 811-818
doi.org/10.22260/ISARC2021/0110
2020 | Maboudi, M.; Gerke, M.; Hack, N.; Brohmann, L.; Schwerdtner, P.; Placzek, G.: Current Surveying Methods for the Integration of Additive Manufacturing in the Construction Process. In: The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Volume XLIII-B4-2020, 2020 XXIV ISPRS Congress, 2020. – DOI: https://doi.org/10.5194/isprs-archives-XLIII-B4-2020-763-2020.
2020 | Buswell, R.; Kinnell, P.; Xu, J.; Hack, N.; Kloft, H.; Maboudi, M.; Gerke, M.; Massin, P.; Grasser, G.; Wolfs, R.; Bos, F.: Inspection Methods for 3D Concrete Printing. In: RILEM Bookseries 28, pp. 790-803, 2020. – DOI: https://doi.org/10.1007/978-3-030-49916-7_78.
Project(s) Project A 10 Earth Additive Manufacturing (EAM) – Material and Process Combinations for AM with Earth-based Materials
Project(s)
Earth Additive Manufacturing (EAM) – Material and Process Combinations for AM with Earth-based Materials
Publications from M.Sc. Joschua Gosslar
is a doctoral researcher at the Centre for Building Material within TUM. He is responsible for the further development of the material established in the first project phase of A03. He further analysis all data, prepares reports, presentations and publications.
Project(s)
Extrusion of Near-Nozzle Mixed Concrete –Individually Graded in Density and in Rate of 3D Fibre Reinforcement
Publications
All publications from M. Eng. Benedikt GrimmPublications from M. Eng. Benedikt Grimm
Publications
is supervising ITE`s requested doctoral researcher during all phases of the research. Additionally, he is actively involved in the conceptual phase, developing reinforcement concepts for the different AM methods.
Project(s)
Integration of Individualized Prefabricated Fibre Reinforcement in Additive Manufacturing with Concrete
Injection 3D Concrete Printing (I3DCP) – Material Efficient Lightweight Reinforced Concrete Structures Based on Spatially Complex Strut-and-Tie-Models
Integration of Additive Manufacturing in the Construction Process
Publications from Prof. Dr. sc. ETH Zurich Dipl. Ing. M.A. AA Norman Hack
Publications
2023 | T. Rothe, S. Gantner, N. Hack, C. Hühne: A Dynamic Winding Process of Individualized Fibre Reinforcement Structures for Additive Manufacturing in Construction. Open Conference Proceedings (2023)
2023 | G. Dielemans, L. Lachmayer, N. Kadher, N. Hack, A. Raatz, K. Dörfler: Robotic Repair: In-place 3D Printing for Repair of Building Components using a Mobile Robot. In: 4th International Conference on 3D Construction Printing (4th 3DcP), Singapore; Springer.
2023 | T. Rothe, J. Pösch, S. Gantner, N. Hack, C. Hühne: Optimization of tensile properties and bond behaviour to concrete of fibre reinforcement strands produced within a dynamic fibre winding process. In: 11th International Conference on Fiber-Reinforced Polymer (FRP) Composites in Civil Engineering (CICE 2023), Rio de Janeiro, Brazil. 2023, July
https://doi.org/10.5281/zenodo.8133237
2022 | R. Dörrie, V. Laghi, L. Arrè, G. Kienbaum, N. Babovic, N. Hack, H. Kloft: Combined Additive Manufacturing Techniques for Adaptive Coastline Protection Structures. In: Buildings, vol. 12, no. 11, p. 1806, 2022.
https://doi.org/10.3390/buildings12111806
2022 | Gantner, S., Rennen, P., Rothe, T., Hühne, C., & Hack, N.: Core Winding: Force-Flow Oriented Fibre Reinforcement in Additive Manufacturing with Concrete. In: RILEM International Conference on Concrete and Digital Fabrication (pp. 391-396), (2022) Springer, Cham
2022 | Hack, N.; Jantzen, C.; Brohmann, L.; Gerke, M.; Mawas, K.; Maboudi, M.: A Closed-Loop Workflow for Quality Inspection and Integrated Post-processing of 3D-Printed Concrete Elements. In: RILEM Bookseries, 364-369 (2022)
https://doi.org/10.1007/978-3-031-06116-5_54
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
2021 | Gantner, S.; Rothe, T.; Hühne, C.; Hack, N.: Reinforcement strategies for additive manufacturing in construction based on Dynamic Fibre Winding: Concepts and initial case studies. In: Vision and Strategies for Reinforcing Additively Manufactured Concrete Structures, Conference, Dresden, Germany, 2021.
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 | Mechtcherine, V.; Buswell, R.; Kloft, H.; Bos, F. P.; Hack, N.; Wolfs, R.; Sanjayan, J.; Nematollahi, B.; Ivaniuk, E.; Neef, T.: Integrating reinforcement in digital fabrication with concrete: A review and classification framework. In: Cement and Concrete Composites, 119, 2021. – DOI: https://doi.org/10.1016/j.cemconcomp.2021.103964.
2021 | Placzek, G., Brohmann, L., Mawas, K., Schwerdtner, P., Hack, N., Maboudi M., Gerke, M.: D.: A Lean-based Production Approach for Shotcrete 3D Printed Concrete Components. In: 2021 Proceedings of the 38th ISARC, Dubai, UAE, Pages 811-818
doi.org/10.22260/ISARC2021/0110
2021 | Lowke, D.: Injection 3D concrete printing in a carrier liquid – Underlying physics and applications to lightweight space frame structures. In: Cement and Concrete Composites, 2021. – DOI: https://doi.org/10.1016/j.cemconcomp.2021.104169.
2021 | Hack, N.; Bahar, M.; Hühne, C.; Lopez, W.; Gantner, S.; Khader, N.; Rothe, T.: Development of a Robot-Based Multi-Directional Dynamic Fiber Winding Process for Additive Manufacturing Using Shotcrete 3D Printing. In: Fibers 2021, 9, 39, 2021. – DOI: https://doi.org/10.3390/fib9060039.
2021 | Kloft, H., Gehlen, C., Dörfler, K., Hack, N., Henke, K., Lowke, D., Mainka, J. and Raatz, A. (2021), TRR 277: Additive Fertigung im Bauwesen. In: Bautechnik, 98: 222-231. – DOI: https://doi.org/10.1002/bate.202000113.
2020 | Hack, N.; Kloft, H.; Lowke, D.: Additive Fertigung im Bauwesen: 3D-Betondruck als eine Schlüsseltechnologie für die Digitalisierung der Bauwirtschaft. In: Ingenieurbaukunst 2020 – Made in Germany, Jahrbuch der Bundesingenieurkammer, S. 178-183, 2020.
2020 | Maboudi, M.; Gerke, M.; Hack, N.; Brohmann, L.; Schwerdtner, P.; Placzek, G.: Current Surveying Methods for the Integration of Additive Manufacturing in the Construction Process. In: The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Volume XLIII-B4-2020, 2020 XXIV ISPRS Congress, 2020. – DOI: https://doi.org/10.5194/isprs-archives-XLIII-B4-2020-763-2020.
2020 | Buswell, R.; Kinnell, P.; Xu, J.; Hack, N.; Kloft, H.; Maboudi, M.; Gerke, M.; Massin, P.; Grasser, G.; Wolfs, R.; Bos, F.: Inspection Methods for 3D Concrete Printing. In: RILEM Bookseries 28, pp. 790-803, 2020. – DOI: https://doi.org/10.1007/978-3-030-49916-7_78.
2020 | Kloft, H.; Krauss, H.-W.; Hack, N.; Herrmann, E.; Neudecker, S.; Varady, P.; Lowke, D.: Influence of process parameters on the interlayer bond strength of concrete elements additive manufactured by Shotcrete 3D Printing (SC3DP). In: Cement and Concrete Research 134, 2020. – DOI: https://doi.org/10.1016/j.cemconres.2020.106078.
2020 | Kloft, H.; Empelmann, M.; Hack, N.; Herrmann, E. Lowke, D.: Bewehrungsstrategien für den Beton-3D-Druck. In: Beton- und Stahlbetonbau 115, 2020. – DOI: https://onlinelibrary.wiley.com/doi/epdf/10.1002/best.202000032.
2020 | Hack, N.; Dressler, I.; Brohmann, L.; Gantner, S.; Lowke, D.; Kloft, H.: Injection 3D Concrete Printing (I3DCP): Basic Principles and Case Studies. In: Materials 2020, 13, 1093, 2020. – DOI: https://doi.org/10.3390/ma13051093.
is a research associate in the work group of Prof. Dr.-Ing. Arno Kwade. He is responsible for the development of tailored particles for the combined process of SPI and WAAM.
Project(s)
Particle-Bed 3D Printing by Selective Cement Paste Intrusion (SPI) – Particle Surface Functionalisation, Particle Synthesis and Integration of WAAM Reinforcement
Publications
All publications from M. Sc. Leigh Duncan HamiltonPublications from M. Sc. Leigh Duncan Hamilton
Publications
2023 | A. Straßer, F. Riegger, L.D Hamilton, T. Kraenkel, C. Gehlen, M.F. Zaeh, A. Kwade: Selective Paste Intrusion: Integration of reinforcement by WAAM — Concept and current research with special attention to cooling strategies. Construction and Building Materials 2023, 406, 133236.
https://doi.org/10.1016/j.conbuildmat.2023.133236
2022 | Hamilton, L. D.; Zetzener, H.; Kwade, A.: The Effect of Water, Nanoparticulate Silica and Dry Water on the Flow Properties of Cohesionless Sand. In: Processes 2022, 10, 2438. https://doi.org/10.3390/pr10112438
is a research associate at the Working group of Prof. Dr.-Ing. Christoph Gehlen. Expert in material development of Extrusion Concrete for additive manufacturing.
Project(s)
Extrusion of Near-Nozzle Mixed Concrete –Individually Graded in Density and in Rate of 3D Fibre Reinforcement
Publications
All publications from M. Sc. Maximilian HechtlPublications from M. Sc. Maximilian Hechtl
Publications
2023 | D. Briels, M. Renz, A. Nouman, A. Straßer, M. Hechtl, M. Dahlenburg, B. Knychalla, P. Sonnleitner, F. Herding, J. Fleckenstein, E. Krakovská, K. Dörfler, T. Auer: Monolithic AM Façade: Multi-Objective Parametric Design Optimization of Additively Manufactured Insulating Wall Elements. In: Frontiers in Built Environment ., vol. 9, 2023 doi: 10.3389/fbuil.2023.1286933
2022 | Dielemans, G.; Lachmayer, L.; Recker, T.; Atanasova, L.; Hechtl, M.; Matthäus, C.; Raatz, A.; Dörfler, K.: Mobile Additive Manufacturing: A Case Study of Clay Formwork for Bespoke in Situ Concrete Construction. 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_3