AMC Board Archives - Additive Manufacturing in Construction (AMC) TRR277 https://amc-trr277.de/bereich/amc-board/ AMC TRR 277 Mon, 09 Mar 2026 10:40:25 +0000 en-US hourly 1 https://wordpress.org/?v=6.9.10 Prof. Dr. sc. ETH Kathrin Dörfler https://amc-trr277.de/trr277-people/prof-dr-sc-kathrin-eth-doerfler/ Thu, 25 Nov 2021 09:36:15 +0000 http://amc-trr277.de/?post_type=person&p=3494 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.

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Prof. Dr. sc. ETH Kathrin Dörfler

AMC Board
Project leader
Current location: TU München
Institute: TT-Professorship Digital Fabrication
OrcidiD: 0000-0001-6557-5604

doerfler@tum.de

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)

Project A 10

Earth Additive Manufacturing (EAM) – Material and Process Combinations for AM with Earth-based Materials

Project B 05

Principles of Mobile Robotics for Additive Manufacturing in Construction

Öffentlichkeitsarbeit – Projekt Ö

Learning, Sustainability, Design: Gender-equitable introduction of AMC to the public

Central tasks
Overview Central tasks of the AMC

Central Tasks of the AMC

Publications

2025 | S. Dietrich, P. Schneider, C. Richter, Asl R. Najian, K. Dörfler, K-U. Bletzinger, P. D´Acunto: Multi-fidelity structural design for 3D concrete printing with selective paste intrusion Automation in Construction, 179, 2025, DOI: 10.1016/j.autcon.2025.106352

Data |Zenodo, 2025, https://doi.org/10.5281/zenodo.17910971

2025 |A. Keune, E. Manz, C.Y.J. Siry, J. Rowsell, K. Dörfler, K. Kumpulainen, K. Peppler, M. Schalk, N. Thompson, P. D´Acunto, S. Wilmes, S. Jurow: Design Future(s) Collective: New Directions for Educational Design Research 19th International Conference of the Learning Sciences—ICLS, 2025, https://doi.org/10.22318/icls2025.253440

 

2024 |E. Krakovska, D. Briels, A. Straßer, T. Kränkel, T. Auer, C. Gehlen, P. D´Acunto, K. Dörfler: Functionally Hybridised Lightweight Concrete Components: Monolithic Building Construction Using Selective Paste Intrusion Digital Concrete 2024, 2024, https://doi.org/10.1007/978-3-031-70031-6_41

2024 | G. Dielemans, L. Lachmayer, N. Khader, N. Hack, A. Raatz, K. Dörfler: Robotic Repair: In-Place 3D Printing for Repair of Building Components Using a Mobile Robot Construction 3D Printing, 2024, https://doi.org/10.1007/978-3-031-64269-2_20

2025 | K. Dörfler, G. Dielemans, S. Leutenegger, S.E. Jenny, J. Pankert, J. Sustarevas, L. Lachmayer, A. Raatz, D. Lowke: Advancing construction in existing contexts: Prospects and barriers of 3d printing with mobile robots for building maintenance and repair Cement and Concrete Research, 186, 2025, https://doi.org/10.1016/j.cemconres.2024.107656

 

2025 | A. Keune, Z. Simsic, H.Kloft, k. Dörfler: AMC Edu:Lab Design to Learn About Additive Manufacturing in Construction, Proceedings of the 24th Interaction Design and Children, 2025, . https://doi.org/10.1145/3713043.3728843

Data | Zenodo, 2026, https://doi.org/10.5281/zenodo.20719478

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. Thomson , R. Sheil, M. Skavara: BREUER X AM: FUNCTIONAL HYBRIDISATION IN CONCRETE BUILDING ENVELOPE ELEMENTS THROUGH ADDITIVE MANUFACTURING Fabricate 2024: Creating Resourceful Futures, 2024, https://doi.org/10.2307/jj.11374766.29

 

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.

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]]> Prof. Dr.-Ing. Christoph Gehlen https://amc-trr277.de/trr277-people/prof-dr-ing-christoph-gehlen/ Thu, 25 Nov 2021 09:42:48 +0000 http://amc-trr277.de/?post_type=person&p=3503 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.

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Prof. Dr.-Ing. Christoph Gehlen

AMC Board
Project leader
Head of Gender Equality
Current location: TU München
Institute: Chair of Materials Science and Testing
OrcidiD: 0000-0002-1214-3960

gehlen@tum.de

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.

Project(s)

Project A 02

Particle-Bed 3D Printing by Selective Cement Paste Intrusion (SPI) – Particle Surface Functionalisation, Particle Synthesis and Integration of WAAM Reinforcement

Project A 03

Extrusion of Near-Nozzle Mixed Concrete –Individually Graded in Density and in Rate of 3D Fibre Reinforcement

Publications

2026| C.M. Hechtl, S. Segl, T.Kränkel, C. Gehlen

Rheologica Acta, 65(5), pp. 475-486 https://doi.org/10.1007/s00397-026-01562-x

Data |  Zenodo, 2025                            https://doi.org/10.5281/zenodo.17983806

2026| C.M. Hechtl, M. Dahlenburg, F. Bos, T. Kränkel, C. Gehlen

Additive Manufacturing Letters, 17, 100353 https://doi.org/10.1016/j.addlet.2025.100353

 

2026 | S. Cheng, B. Grimm, M. Unterreiner, M. Hechtl, M. Dahlenburg, T. Kränkel, J. Fottner, C. Gehlen, F. Bos: Properties of the transition region in 3D printed functionally graded concrete through Near Nozzle Binder-Aggregate Mixing (NNBAM) Construction and Building Materials, Volume 520. 2026, https://doi.org/10.1016/j.conbuildmat.2026.145990

Data | Zenodo, 2026, https://doi.org/10.5281/zenodo.18899746

2024 |E. Krakovska, D. Briels, A. Straßer, T. Kränkel, T. Auer, C. Gehlen, P. D´Acunto, K. Dörfler: Functionally Hybridised Lightweight Concrete Components: Monolithic Building Construction Using Selective Paste Intrusion Digital Concrete 2024, 2024, https://doi.org/10.1007/978-3-031-70031-6_41

2024 | A. Straßer, D. Briels, T. Kränkel, C. Gehlen, T. Auer: Selective Paste Intrusion – An Additive Manufacturing Technique to produce customized Building Components with enhanced Thermal Insulating Performance HiPerMat 2024, 2024, https://doi.org/10.17170/kobra-202402059519

2025 | A.Straßer, F.Riegger, T. Kränkel, C. Gehlen: Additive Manufacturing of Steel-Reinforced Concrete by Combination of Selective Paste Intrusion and Wire Arc Additive Manufacturing: Impact of Heat Generated by WAAM on Bond Behavior of the Reinforcement Materials, 2025, https://doi.org/10.3390/ma18235455

Data |Zenodo, 2025, https://doi.org/10.5281/zenodo.16562375

2024 | A.Straßer, A. Haynack, T. Kränkel, C. Gehlen: Additive manufacturing by the selective paste intrusion: Effect of the distance of the print nozzle to the particle bed on the print quality Construction and Building Materials, Volume 449, 2024, https://doi.org/10.1016/j.conbuildmat.2024.138274

Data |Zenodo, 2024, https://doi.org/10.1016/j.conbuildmat.2024.138274

2024 | C. Thiel, C.M. Hechtl, C. Gehlen, T. Kränkel: Sustainability Potential of Additive Manufactured Concrete Structures – Studies on the Life Cycle Assessment and Circularity of an Extruded Exterior Wall Proceedings of the Fourth RILEM International Conference on Concrete and Digital Fabrication, DC 2024, RILEM Bookseries, vol. 53, Springer, Cham, 2024. https://doi.org/10.1007/978-3-031-70031-6_2

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.

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]]> Prof. Dr. sc. ETH Zurich Dipl. Ing. M.A. AA Norman Hack https://amc-trr277.de/trr277-people/junior-prof-dr-sc-eth-zurich-dipl-ing-m-a-aa-norman-hack/ Thu, 25 Nov 2021 09:45:56 +0000 http://amc-trr277.de/?post_type=person&p=3509 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.

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Prof. Dr. sc. ETH Zurich Dipl. Ing. M.A. AA Norman Hack

AMC Board
Project leader
Current location: TU Braunschweig
Institute: Institute of Structural Design
OrcidiD: 0000-0002-5261-6726

n.hack@tu-braunschweig.de

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)

Project A 05

Integration of Individualized Prefabricated Fibre Reinforcement in Additive Manufacturing with Concrete

Project A 09

Injection 3D Concrete Printing (I3DCP) – Material Efficient Lightweight Reinforced Concrete Structures Based on Spatially Complex Strut-and-Tie-Models

Project C 06

Integration of Additive Manufacturing in the Construction Process

Publications

2026 | G. Placzek, J. Tesche, K. Mawas, J. Thormählen, P. Schwerdtner, N. Hack, M. Maboudi, M. Gerke

Towards the Integration of Additive Manufacturing into a Cyber-Physical Construction System

Proceedings of the 2nd International Conference on Net-Zero Built Environment. NTZR 2025. Lecture Notes in Civil Engineering, vol 873. Springer, Cham. https://doi.org/10.1007/978-3-032-27698-8_49

Data |Zenodo, 2026 https://doi.org/10.5281/zenodo.22670554

2025 | Y. Xiao, A. Vandenberg, D. Lowke, I. Mai, P. D’Acunto, H. Kloft, N. Hack

Automation in Construction, vol. 179 https://doi.org/10.1016/j.autcon.2025.106440

Data | Zenodo, 2025                      https://doi.org/10.5281/zenodo.17943868

2025 | Y. Xiao, N. Hack, H. Kloft, D. Lowke, I. Mai, P. D’Acunto

Additive Manufacturing, vol. 103 https://doi.org/10.1007/s00466-026-02849-9

Data | Zenodo, 2025                       https://doi.org/10.5281/zenodo.17942354

2025 |B. Sawicki, N. Hack, H. Kloft

Visions and Strategies for Reinforcing Additively Manufactured Constructions 2025 https://doi.org/10.52825/ocp.v7i.2777

2026 |I. Mai, A. Jacobi, L. Döring, N. Hack

Beton- und Stahlbetonbau, pp. 1–4, 2026 https://doi.org/10.1002/best.70152

2026 | N. Hack, Y. Xiao, C. Jantzen, J. Tesche, K. Mawas , M. Gerke, P. D´Acunto: Design and fabrication of structures with graphic statics and augmented reality IASS 2024 Zurich Symposium, 2024, https://mediatum.ub.tum.de/node?id=1760208&change_language=en

Data | LeoPARD, 2026, https://doi.org/10.24355/dbbs.084-202606211131-0

2026 | T. Rothe, S. Gantner, P. Thiele, S. Amiri, N. Hack, C. Hühne: Reinforcing of Additively Manufactured Concrete Structures by Dynamic Fibre Winding: A Decision-supporting Framework 12th International Conference on FRP Composites in Civil Engineering (CICE 2025), Volume 1, 2026, https://link.springer.com/chapter/10.1007/978-3-032-09399-8_61

 

2024 | G. Dielemans, L. Lachmayer, N. Khader, N. Hack, A. Raatz, K. Dörfler: Robotic Repair: In-Place 3D Printing for Repair of Building Components Using a Mobile Robot Construction 3D Printing, 2024, https://doi.org/10.1007/978-3-031-64269-2_20

2024|H. Kloft, B. Sawicki, F. Bos, R. Dörrie, N. Freund, S. Gantner, L. Gebhard, N. Hack, E. Ivaniuk, J. Kruger, W. Kaufmann: Interaction of reinforcement, process, and form in Digital Fabrication with Concrete, Cement and Concrete Research Volume 186, 2024, https://doi.org/10.1016/j.cemconres.2024.107640

2024|D. Lowke, A. Anton, R. Buswell, S.E. Jenny, R. J. Flatt, E.L. Fritschi, N. Hack, I. Mai, M. Popescu, H. Kloft: Digital fabrication with concrete beyond horizontal planar layers, Cement and Concrete Research Volume 186, 2024, https://doi.org/10.1016/j.cemconres.2024.107663

2024 | A. Baghdadi, F. Salehi Amiri, C. Jantzen, H. Kloft: Integration of Augmented Reality for Enhanced Visualization and Analysis in Bridge Engineering, Towards Real-Time Optimization in Structural and Architectural Design, Proceedings of the IASS 2024 Symposium “Redefining the Art of Structural Design”, Zurich, 26–30 August 2024, https://app.iass2024.org/files/IASS_2024_Paper_17.pdf.

Data | LeoPARD, 2024, https://leopard.tu-braunschweig.de/receive/dbbs_mods_00079021

2024 | T. Rothe,S. Gantner, N. Hack, C. Hühne: Characterisation of the alkaline resistance of fibre reinforcement strands produced in a dynamic fibre winding process for 3D concrete printing Proceedings of the fib Symposium, ReConStruct: Resilient Concrete Structures in Christchurch, New Zealand, 11-13 November 2024, pp. 1274–1283.

Data | Zenodo, 2024, https://doi.org/10.5281/zenodo.15101881.

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.

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]]> Prof. Dr.-Ing. Harald Kloft https://amc-trr277.de/trr277-people/prof-dr-ing-harald-kloft/ Thu, 25 Nov 2021 09:52:43 +0000 http://amc-trr277.de/?post_type=person&p=3519 leads the scientific staff in the orientation and execution of the design process creation and supports them in an advisory capacity in the creation of test geometries and demonstrators. He is responsible for the content and organisational coordination of all work on the part of ITE.
He instructs the research engineer at ITE in the conceptual structure, execution and evaluation of the theoretical and experimental research work.
He is the spokesperson of the TRR 277.

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Prof. Dr.-Ing. Harald Kloft

AMC Board
Project leader
Current location: TU Braunschweig
Institute: Institute of Structual Design

ite@tu-bs.de

Prof. Dr.-Ing. Harald Kloft leads the scientific staff in the orientation and execution of the design process creation and supports them in an advisory capacity in the creation of test geometries and demonstrators. He is responsible for the content and organisational coordination of all work on the part of ITE.
He instructs the research engineer at ITE in the conceptual structure, execution and evaluation of the theoretical and experimental research work.
He is the spokesperson of the TRR 277. He serves as contact person for the DFG and represents the TRR 277 externally. Internally, Prof. Kloft is chairman of the executive board of TRR 277 as well as of the project leaders and the general assembly. He is responsible for the management and settlement of funds and for the convening of board meetings and general meetings in cooperation with 3). Additionally, he is involved in the coordination between the research projects and oversees the aims of TRR 277. Prof. Kloft is also responsible, assisted by 2), for the coordination of general public relation matters in close cooperation with the communication facilities TUBS Communications and Press Service (TUBS-CPS) and the TUM Corporate Communications Center (TUM CCC).

Project(s)

Project A 04

Integrated Additive Manufacturing Processes for Reinforced Shotcrete 3D Printing (SC3DP) Elements with Precise Surface Quality

Project A 07

Wire and Arc Additive Manufacturing (WAAM) of Complex Individualized Steel Components

Project A 10

Earth Additive Manufacturing (EAM) – Material and Process Combinations for AM with Earth-based Materials

Project C 05

Jointing Principles for Combination of Concrete Elements Produced by Different Additive Manufacturing Processes

Central tasks
Overview Central tasks of the AMC

Central Tasks of the AMC

Publications

2026 |B. Sawicki, R. Dörrie, H. Kloft

Preliminary Assessment of Ultrasonic Pulse Velocity for Quality Control of Shotcrete 3D-Printed Concrete

Buildings, 16, 3594 https://doi.org/10.3390/buildings16183594

 

2025 | Y. Xiao, A. Vandenberg, D. Lowke, I. Mai, P. D’Acunto, H. Kloft, N. Hack

Automation in Construction, vol. 179 https://doi.org/10.1016/j.autcon.2025.106440

Data | Zenodo, 2025                      https://doi.org/10.5281/zenodo.17943868

2025 | Y. Xiao, N. Hack, H. Kloft, D. Lowke, I. Mai, P. D’Acunto

Additive Manufacturing, vol. 103 https://doi.org/10.1007/s00466-026-02849-9

Data | Zenodo, 2025                       https://doi.org/10.5281/zenodo.17942354

2025 |B. Sawicki, N. Hack, H. Kloft

Visions and Strategies for Reinforcing Additively Manufactured Constructions 2025 https://doi.org/10.52825/ocp.v7i.2777

2025 | L. Ledderose, H. Kloft: First Investigations on WAAM-Printed Adhesive Sockets for Reinforcement Connections Open Conference Proceedings, 7, 2025, https://doi.org/10.52825/ocp.v7i.2788

Data | Zenodo, 2026, https://doi.org/10.5281/zenodo.18394837

2025 | R. Dörrie, L. Lachmayer, A. Baghdadi, M. David, K. Dröder, A. Raatz, H. Kloft: Investigation on process guidelines and geometric capabilities for robust shotcrete 3D printing, Materials & Design, 2025, https://doi.org/10.1016/j.matdes.2025.115050

Data | LeoPARD, 2025, https://doi.org/10.24355/dbbs.084-202510271126-0

2024|A. Perrot, Y. Jacquet, J.F. Caron, R. Mesnil, N. Ducoulombier, V. De Bono, J. Sanjayan, S. Ramakrishnan, H. Kloft, J. Gosslar, S. Muthukrishnan: Snapshot on 3D printing with alternative binders and materials: Earth, geopolymers, gypsum and low carbon concrete, Cement and Concrete Research Volume 185, 2024, https://doi.org/10.1016/j.cemconres.2024.107651

2024|L. Gebhard, J. Mata-Falcon, R. Ammann, N. Preßmair, B. Kromoser, C. Menna, A. Baghdadi, H. Kloft, M. Gabriel, M. Walch, W. Kaufmann: Enhancing structural efficiency with digital concrete – Principles, opportunities and case studies, Cement and Concrete Research Volume 185, 2024, https://doi.org/10.1016/j.cemconres.2024.107645

2024|H. Kloft, B. Sawicki, F. Bos, R. Dörrie, N. Freund, S. Gantner, L. Gebhard, N. Hack, E. Ivaniuk, J. Kruger, W. Kaufmann: Interaction of reinforcement, process, and form in Digital Fabrication with Concrete, Cement and Concrete Research Volume 186, 2024, https://doi.org/10.1016/j.cemconres.2024.107640

2024|D. Lowke, A. Anton, R. Buswell, S.E. Jenny, R. J. Flatt, E.L. Fritschi, N. Hack, I. Mai, M. Popescu, H. Kloft: Digital fabrication with concrete beyond horizontal planar layers, Cement and Concrete Research Volume 186, 2024, https://doi.org/10.1016/j.cemconres.2024.107663

2025 | A. Keune, Z. Simsic, H.Kloft, k. Dörfler: AMC Edu:Lab Design to Learn About Additive Manufacturing in Construction, Proceedings of the 24th Interaction Design and Children, 2025, . https://doi.org/10.1145/3713043.3728843

Data | Zenodo, 2026, https://doi.org/10.5281/zenodo.20719478

2026 | H.Eichler, B.Sawicki, H.Kloft: Hybrid wire and arc additive manufactured I-section beams: assessment of material efficiency and carbon footprint, Arch. Civ. Mech. Eng., 2026, https://doi.org/10.1007/s43452-025-01380-7

2025 | R. Dörrie, L. Lachmayer, A. Baghdadi, M. David, K. Dröder, A. Raatz, H. Kloft: Investigation on process guidelines and geometric capabilities for robust shotcrete 3D printing Materials & Design, 2025, 115050, https://doi.org/10.1016/j.matdes.2025.115050

Data |LeoPARD, 2025, https://doi.org/10.24355/dbbs.084-202510271126-0

2024 | R. Dörrie, M. David, N. Freund, D. Lowke, K. Dröder, H. Kloft: Surface Processing of Shotcrete 3D Printed Concrete Elements Using a Rotating Trowel Disc–Influence of Timing on Resulting Surface Quality RILEM International Conference on Concrete and Digital Fabrication, pp. 397-404, Cham: Springer Nature Switzerland.

2024 | R. Dörrie, H. Kloft, B. Sawicki, N. Freund, D. Lowke: Automated Reinforcement Integration in Shotcrete 3D Printing Through Green State Milling RILEM International Conference on Concrete and Digital Fabrication, pp. 319-326, Cham: Springer Nature Switzerland, https://doi.org/10.1007/978-3-031-70031-6_37

Data | Photographs of cross-section of automated reinforcement integration in Shotcrete 3D Printing through green state milling, LeoPARD, 2024, https://doi.org/10.24355/dbbs.084-202403201419-0

2024 | A. Baghdadi, L. Ledderose, H. Kloft: Application of Water Jet Cutting and Optimization Problems in the Development of a New Concrete Construction System, Proceedings of the IASS 2024 Symposium “Redefining the Art of Structural Design”, Zurich, 26–30 August 2024, https://app.iass2024.org/files/IASS_2024_Paper_1.pdf

Data | LeoPARD, 2025, https://leopard.tu-braunschweig.de/receive/dbbs_mods_00079020

2024 | A. Baghdadi, L. Ledderose, H. Kloft: Proposing New Standard and ANFIS Calculation Approaches for Structural Optimization of Multi-Floor Buildings: A Hybrid Numerical and Soft Computing Method, Buildings, 14(10), 3298, 2024, , https://doi.org/10.3390/buildings14103298.

Data | LeoPARD, 2025, https://leopard.tu-braunschweig.de/receive/dbbs_mods_00079018.

2024 | A. Baghdadi, F. Salehi Amiri, C. Jantzen, H. Kloft: Integration of Augmented Reality for Enhanced Visualization and Analysis in Bridge Engineering, Towards Real-Time Optimization in Structural and Architectural Design, Proceedings of the IASS 2024 Symposium “Redefining the Art of Structural Design”, Zurich, 26–30 August 2024, https://app.iass2024.org/files/IASS_2024_Paper_17.pdf.

Data | LeoPARD, 2024, https://leopard.tu-braunschweig.de/receive/dbbs_mods_00079021

2024 | A. Baghdadi, L. Ledderose, H. Kloft: Proposal and parametric investigations of square steel tubes as post-tensioned connectors for linear-shaped precast concrete elements, Structures, Vol. 69, Elsevier, 2024, https://doi.org/10.1016/j.istruc.2024.107295.

Data | LeoPARD, 2024, https://leopard.tu-braunschweig.de/receive/dbbs_mods_00079019

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. Thomson , R. Sheil, M. Skavara: BREUER X AM: FUNCTIONAL HYBRIDISATION IN CONCRETE BUILDING ENVELOPE ELEMENTS THROUGH ADDITIVE MANUFACTURING Fabricate 2024: Creating Resourceful Futures, 2024, https://doi.org/10.2307/jj.11374766.29

 

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

2024 | J. Unglaub, M. Müggenburg, H. Jahns, H. Kloft, J. Hensel, K. Thiele: Towards a Digital Twin to Enable First Time Right DED-Arc Components, 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 51

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

Data | ReinforcementInFoam_Image_Dataset, Zenodo, 2025, https://doi.org/10.5281/zenodo.15096976.

2024 | J. Hitzegrad, L. Brohmann, F. Herding, K. Pfennings, S. Jonischkies, E. Scharnbeck, J. Mainka, I. Mai, C. Windt, H. Kloft, A. Wehrmann, D. Lowke, N. Goseberg: Surfaces of coastal biogenic structures: exploiting advanced digital design and fabrication strategies for the manufacturing of oyster reef and mussel bed surrogates, Front. Mar. Sci., 11:1395025, 2024, https://doi.org/10.3389/fmars.2024.1395025

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 | C. Müller, J. Müller, H. Kloft, and J. Hensel :  Design of Structural Steel Components According to Manufacturing Possibilities of the Robot-Guided DED-Arc Process. In: Buildings, vol. 12, no. 12, p. 2154.  (Dec. 2022.) doi: 10.3390/buildings12122154

 

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

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 | 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

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 | Asprone, D.; Menna, C.; Bos, F.; Mata-Falcón, J.; Ferrara, L.; Auricchio, F.; Cadoni, E.; Cunha, V. M. C. F.; Esposito, L.; Fromm, A.; Grünewald, S.; Kloft, H.; Mechtcherine, V.; Naidu Nerella, V.; Schipper, R.: Structural Design and Testing of Digitally Manufactured Concrete Structures. 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_6

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 | 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.

2021 | Baghdadi, A.; Meshkini, A.; Kloft, H.: Parametric design of in-plane concrete dry joints by FE method and Fuzzy logic toward utilising additive manufacturing technique. 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.

2021 | Baghdadi, A.; Meshkini, A.; Kloft, H.: Inspiration of Interlocking Wooden Puzzles for Precast Concrete Construction Conceptual Design of Structures. In: International fib Symposium, September 16-18, Switzerland, 2021.

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 | 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 | Empelmann, M.; Kloft, H.: Practical solutions in additive manufacturing – Innovative jointing principles. In: BFT International 87, Issue 2, p. 93.

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 | 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 | Baghdadi, A.; Heristchian, M.; Ledderose, L.; Kloft, H.: Experimental and numerical assessment of new precast concrete connections under bending loads. In: Engineering Structures 212, ELSEVIER, 2020. – DOI: https://doi.org/10.1016/j.engstruct.2020.110456.

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.

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]]> Prof. Dr.-Ing. habil. Stefan Kollmannsberger https://amc-trr277.de/trr277-people/prof-dr-ing-habil-stefan-kollmannsberger/ Thu, 25 Nov 2021 09:54:17 +0000 http://amc-trr277.de/?post_type=person&p=3521 is Professor at Bauhaus-University Weimar and is Head of the Chair of Data Science in Civil Engineering. He was head of the work group ‘Simulation in Applied Mechanics’ at the Chair of Computational Modeling and Simulation and has a fifteen year-long scientific record in that field. In this project, he is responsible for the development of simulation methods for metal based artefacts.

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Prof. Dr.-Ing. habil. Stefan Kollmannsberger

AMC Board
Project leader
Current location: Bauhaus-Universität Weimar
Institute: Chair of Data Science in Civil Engineering
OrcidiD: 0000-0003-0823-8649

stefan.kollmannsberger@uni-weimar.de

is Professor at Bauhaus-University Weimar and is Head of the Chair of Data Science in Civil Engineering. He was head of the work group ‘Simulation in Applied Mechanics’ at the Chair of Computational Modeling and Simulation and has a fifteen year-long scientific record in that field. In this project, he is responsible for the development of simulation methods for metal based artefacts.

Project(s)

Project B 06

Material Modelling and Simulation of Deposition AM Processes on the Part Scale

Project C 01

Bridging Scales – From Geometric Part Details to Construction Elements

Publications

2026 | A. Daneshyar, L. Hermann, S. Kollmannberger

Computational Mechanics                                               https://doi.org/10.1007/s00466-026-02849-9

Data |  Zenodo, 2026           https://doi.org/10.5281/zenodo.18522059

2026 | M. Horstjan, M. Müggenburg, M. Christmann, S. Vogts, S. Kollmannsberger, K. Thiele, J. Unglaub: Scan-based Fatigue Prediction of DED-Arc Additively Manufactured Steel Components Additive Manufacturing, 2026, https://doi.org/10.1016/j.addma.2026.105243

Data | Zenodo, 2026, https://doi.org/10.5281/zenodo.17272254

2026 | Q.T. La, K.A. Meyer, S. Kollmannsberger, R. Jänicke: Viscoplastic Modeling the Evolving Mechanical Properties of Shotcrete 3D Printing Material Proceedings in Applied Mathematics and Mechanics, 2026, https://doi.org/10.1002/pamm.70094

Data | Zenodo, 2025, https://doi.org/10.5281/zenodo.15737951

2025 | A. Daneshyar, D. Siebert, C. Radlbeck, S. Kollmannsberger: A Plastic Damage Model With Mixed Isotropic–Kinematic Hardening for Low-Cycle Fatigue in 7020 Aluminum Fatigue & Fracture of Engineering Materials & Structures, 2025, https://doi.org/10.1111/ffe.14623.

Data | Zenodo, 2024, https://doi.org/10.5281/zenodo.14223187.

2024 | R. De Biasi, O. Oztoprak, F. Zanini, S. Carmignato, S. Kollmannsberger, M. Benedetti: Predicting fatigue life of additively manufactured lattice structures using the image-based Finite Cell Method and average strain energy density Materials & Design, 2024, https://doi.org/10.1016/j.matdes.2024.113321

Data | Fatigue life prediction of AM lattices based on image-based FCM and average strain energy density dataset, Technische Universität München, 2024, https://doi.org/10.14459/2024mp1751465.

2024 | L. Herrmann, A. Daneshyar, S. Kollmannsberger: The discontinuous strain method: accurately representing fatigue and failure, Computational Mechanics, 2024, https://doi.org/10.1007/s00466-024-02526-9

Data | Zenodo,2024,
https://doi.org/10.5281/zenodo.10215919.

2024 | A. Henkes, L. Herrmann, H. Wessels, S. Kollmannsberger: Generative adversarial networks enable outlier detection and property monitoring for additive manufacturing of complex structures Engineering Applications of Artificial Intelligence, 2024, 108993, https://doi.org/10.1016/j.engappai.2024.108993

Data | Mendeley Data, 2024, https://doi.org/10.17632/zbbrbzrdtd.3.

2024 | M. Meßmer, R. Najian, S. Kollmannsberger, R. Wüchner, K.U. Bletzinger: Shape optimization of embedded solids using implicit Vertex-Morphing, Computer Methods in Applied Mechanics and Engineering, Volume 426, 2024, 116999, ISSN 0045-7825

https://doi.org/10.1016/j.cma.2024.116999

2024 | C. Faßbender, T. Bürchner, P. Kopp, E. Rank, S. Kollmannsberger: Implicit-explicit time integration for the immersed wave equation. Computers & Mathematics with Applications 163 (2024) 1–13.
https://doi.org/10.1016/j.camwa.2024.02.049

2024 | M. Meßmer, S. Kollmannsberger, R. Wüchner, K.U. Bletzinger: Robust numerical integration of embedded solids described in boundary representation Computer Methods in Applied Mechanics and Engineering, Volume 419, 2024, https://doi.org/10.1016/j.cma.2023.116670.

Data |Quadrature for Embedded Solids – QuESo, GitHub, 2024, https://github.com/manuelmessmer/QuESo.

2023 | Oztoprak, O.; Slepicka, M.; Aninger, A.L.; Kollmannsberger, S.; Rank, E.; Borrmann, A.: Linking Fabrication Information Modeling and Finite Cell Method for simulating the behavior of additively manufactured building components. In: EG-ICE Conference, 2023.

2023 | A. Daneshyar, L. Herrmann, S. Kollmannsberger: From ductile damage to unilateral contact via a point-wise implicit discontinuity. In: Computational Mechanics, 2023, Sep.
doi: 10.1007/s00466-023-02392-x

2023 | O. Oztoprak, A. Paolini, P. D’Acunto, E. Rank, S. Kollmannsberger: Two-scale analysis of spaceframes with complex additive manufactured nodes. In: Engineering Structures, vol. 289, p. 116283, Aug. 2023,
doi: 10.1016/j.engstruct.2023.116283

2022 | Briels, D.; Kollmannsberger, S.; Leithner, F.; Matthäus, C.; Nouman, A.S.; Oztoprak, O.; Rank, E.: Thermal Optimization of Additively Manufactured Lightweight Concrete Wall Elements with Internal Cellular Structure through Simulations and Measurements. In: Buildings 2022, 12, 1023,
https://doi.org/10.3390/buildings12071023

 

2022 | D’Angella, D., Kollmannsberger, S., Reali, A., Rank, E., Hughes, T. J. R.: An accurate strategy for computing reaction forces and fluxes on trimmed locally refined meshes. In: Journal of Mechanics, vol. 38, pp. 60–76, Apr. 2022
http://doi: 10.1093/jom/ufac006

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 | Jomo, J.; Oztoprak, O.; de Prenter, F.; Zander, N.; Kollmannsberger, S.; Rank, E.: Hierarchical multigrid approaches for the finite cell method on uniform and multi-level hp-refined grids. In: Computer Methods in Applied Mechanics and Engineering 386, pp. 114075, 2021. – DOI: 10.1016/j.cma.2021.114075.

2021 | Paolini, A.; Korshunova, N.; Kollmannsberger, S.; Rank, E.: Multiscale analysis of high damping composites using the finite cell and the mortar method. In: International Journal of Structural Stability and Dynamics, 2021. – DOI: 10.1142/S0219455421501492.

2021 | Korshunova, N.; Papaioannou, I.; Kollmannsberger S.; Straub, D.; Rank, E.: Uncertainty quantification of microstructure variability and mechanical behavior of additively manufactured lattice structures. In: Computer Methods in Applied Mechanics and Engineering 385 (1), pp. 114049, 2021. – DOI: https://doi.org/10.1016/j.cma.2021.114049.

2021 | Korshunova, N.; Alaimo, G.; Hosseini, S. B.; Carraturo, M.; Reali, A.; Niiranen, J.; Auricchio, F.; Rank, E.; Kollmannsberger, S.: Bending behavior of octet-truss lattice structures: modelling options, numerical  characterization and experimental validation. In: Materials & Design, 2021.

2021 | Korshunova, N.; Alaimo, G.; Hosseini, S.; Carraturo, M.; Reali, A.; Niiranen, J.; Auricchio, F.; Rank, E.; Kollmannsberger, S.: A CT-based numerical characterization of tensile behavior of additively manufactured octet-truss structures and its experimental validation. In: Additive Manufacturing, p. 101949, 2021. – DOI: https://doi.org/10.1016/j.addma.2021.101949.

2020 | Wassermann, B.; Korshunova, N.; Kollmannsberger, S.; Rank, E.; Elber, G.: Finite Cell Method for functionally graded materials based on V-models and homogenized microstructures. In: Advanced Modeling and Simulation in Engineering Sciences (7), pp. 49, 2020. – DOI: 10.1186/s40323-020-00182-1.

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]]> Prof. Dr.-Ing. Dirk Lowke https://amc-trr277.de/trr277-people/prof-dr-ing-dirk-lowke/ Thu, 25 Nov 2021 09:58:15 +0000 http://amc-trr277.de/?post_type=person&p=3527 Prof. Dr.-Ing. Dirk Lowke is Chair of Materials and Methods in Digital Construction. He will advise the scientific staff in carrying out their work in line with the formulated project aims. He is responsible for the coordination and quality control of all work conducted by the Chair of Materials and Methods in Digital Construction at the Department of Materials Engineering at TU Munich.

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Prof. Dr.-Ing. Dirk Lowke

AMC Board
Project leader
Head of Family Friendliness
Head of early career
Current location: TU München
Institute: Chair of Materials and Methods in Digital Construction
OrcidiD: 0000-0001-8626-918X

lowke@tum.de

Prof. Dr.-Ing. Dirk Lowke is Chair of Materials and Methods in Digital Construction. He will advise the scientific staff in carrying out their work in line with the formulated project aims. He is responsible for the coordination and quality control of all work conducted by the Chair of Materials and Methods in Digital Construction at the Department of Materials Engineering at TU Munich.

Project(s)

Project A 01

Particle-Bed 3D Printing by Selective Cement Activation (SCA) – Sustainability, process enhancement and material models

Project A 04

Integrated Additive Manufacturing Processes for Reinforced Shotcrete 3D Printing (SC3DP) Elements with Precise Surface Quality

Publications

2025 | Y. Xiao, A. Vandenberg, D. Lowke, I. Mai, P. D’Acunto, H. Kloft, N. Hack

Automation in Construction, vol. 179 https://doi.org/10.1016/j.autcon.2025.106440

Data | Zenodo, 2025                      https://doi.org/10.5281/zenodo.17943868

2025 | Y. Xiao, N. Hack, H. Kloft, D. Lowke, I. Mai, P. D’Acunto

Additive Manufacturing, vol. 103 https://doi.org/10.1007/s00466-026-02849-9

Data | Zenodo, 2025                       https://doi.org/10.5281/zenodo.17942354

2025 | K. Dörfler, G. Dielemans, S. Leutenegger, S.E. Jenny, J. Pankert, J. Sustarevas, L. Lachmayer, A. Raatz, D. Lowke: Advancing construction in existing contexts: Prospects and barriers of 3d printing with mobile robots for building maintenance and repair Cement and Concrete Research, 186, 2025, https://doi.org/10.1016/j.cemconres.2024.107656

 

2024|D. Lowke, A. Anton, R. Buswell, S.E. Jenny, R. J. Flatt, E.L. Fritschi, N. Hack, I. Mai, M. Popescu, H. Kloft: Digital fabrication with concrete beyond horizontal planar layers, Cement and Concrete Research Volume 186, 2024, https://doi.org/10.1016/j.cemconres.2024.107663

2025 | N. Meier, F. Herding, H. Zetzener, I. Mai, D. Lowke, A. Kwade: Surface modification of bulk material for particle bed 3D concrete printing – Effect on wettability, porosity, and mechanical properties Advanced Powder Technology, 2025, https://doi.org/10.1016/j.apt.2025.105123

Data |Zenodo, 2025, https://doi.org/10.5281/zenodo.17641009

2024 | R. Dörrie, M. David, N. Freund, D. Lowke, K. Dröder, H. Kloft: Surface Processing of Shotcrete 3D Printed Concrete Elements Using a Rotating Trowel Disc–Influence of Timing on Resulting Surface Quality RILEM International Conference on Concrete and Digital Fabrication, pp. 397-404, Cham: Springer Nature Switzerland.

2024 | R. Dörrie, H. Kloft, B. Sawicki, N. Freund, D. Lowke: Automated Reinforcement Integration in Shotcrete 3D Printing Through Green State Milling RILEM International Conference on Concrete and Digital Fabrication, pp. 319-326, Cham: Springer Nature Switzerland, https://doi.org/10.1007/978-3-031-70031-6_37

Data | Photographs of cross-section of automated reinforcement integration in Shotcrete 3D Printing through green state milling, LeoPARD, 2024, https://doi.org/10.24355/dbbs.084-202403201419-0

2024 |  J. V. Rudolph, D. Lowke: Design and Characterisation of a Two-Component Mortar System for Shotcrete 3D Printing: An Approach to the Targeted Control of Material Properties Proceedings of the RILEM International Conference on Concrete and Digital Fabrication, 217–224, Cham: Springer Nature Switzerland, 2024. https://doi.org/10.1007/978-3-031-70031-6_26

2024 |F. Herding, D. Lowke: Improving the Dimensional Accuracy in Selective Cement Activation by w/c-Ratio Gradation Fourth RILEM International Conference on Concrete and Digital Fabrication, 2024, https://doi.org/10.1007/978-3-031-70031-6_43

 

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. Thomson , R. Sheil, M. Skavara: BREUER X AM: FUNCTIONAL HYBRIDISATION IN CONCRETE BUILDING ENVELOPE ELEMENTS THROUGH ADDITIVE MANUFACTURING Fabricate 2024: Creating Resourceful Futures, 2024, https://doi.org/10.2307/jj.11374766.29

 

2024 |F. Herding, D. Lowke: Improving the dimensional accuracy in selective cement activation by w/c-ratio gradation, Fourth RILEM International Conference on Concrete and Digital Fabrication Munich, RILEM Bookseries, vol 53, Springer,  https://doi.org/10.1007/978-3-031-70031-6_43

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

2024 |N. Freund, M. David, K. Dröder, D. Lowke: Vibrated Short Rebar Insertion – The Effect of Integration Time on the Resulting Bond Quality, Proceedings of Fourth RILEM International Conference on Concrete and Digital Fabrication (DC 2024), RILEM Bookseries, vol. 53, Springer, Cham, 2024, https://doi.org/10.1007/978-3-031-70031-6_38.

2024 |D. Böhler, I. Mai, D. Lowke: Durability of 3D Printed Concrete: A Comparison of Extrusion 3D Printing, Shotcrete 3D Printing and Conventional Casting, 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_33

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

2024 | J. Hitzegrad, L. Brohmann, F. Herding, K. Pfennings, S. Jonischkies, E. Scharnbeck, J. Mainka, I. Mai, C. Windt, H. Kloft, A. Wehrmann, D. Lowke, N. Goseberg: Surfaces of coastal biogenic structures: exploiting advanced digital design and fabrication strategies for the manufacturing of oyster reef and mussel bed surrogates, Front. Mar. Sci., 11:1395025, 2024, https://doi.org/10.3389/fmars.2024.1395025

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 | F. Herding, A. Strasser, D. Briels, D. Lowke, T. Kränkel: Experimental results for mechanical and thermal properties of SCA material, Dataset, TUM: Munich, 2023, https://doi.org/10.14459/2023mp1720074

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

2023 | F. Herding, I. Mai, D. Lowke: Reduction of the cement content in Selective Cement Activation. In: ibausil 2023
https://doi.org/10.1002/cepa.2826

2023 | F. Herding, I. Mai, D. Lowke: Effect of Grain Size and Layer Thickness on Hardened State Properties in Selective Cement Activation. In: ibausil 2023
https://doi.org/10.1002/cepa.2816

2023 | D. Talke, B. Saile, N. Meier, F. Herding, I. Mai, H. Zetzener, A. Kwade, D. Lowke: Particle-bed 3D printing by selective cement activation – Influence of process parameters on particle-bed density. In: Cement and Concrete Research, 168. (2023)
https://doi.org/10.1016/j.cemconres.2023.107140

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 | 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 | 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 | Herding, F., Mai, I., Lowke, D.: Effect of Curing in Selective Cement Activation. 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_42

2022 | Mai, I.; Lowke, D.; Perrot, A.: Fluid intrusion in powder beds for selective cement activation – an experimental and analytical study. In: Cement and Concrete Research, CCR 156 (106771), 2022
https://doi.org/10.1016/j.cemconres.2022.106771

 

 

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

2022 | Mai, I., Herding, F., Lowke, D.: Evaluating the Effect of Methyl Cellulose on Hardened State Properties in Selective Cement Activation. 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_43

2022 |Lowke, D.; Mai, I.; Keita, E.; Perrot, A.; Weger, D,; Gehlen, C.; Herding, F.; Zuo, W.; Roussel, N.: Material-process interactions in particle bed 3D printing and the underlying physics, In: Cement and Concrete Research, Volume 156, June 2022, 106748, DOI: http//:doi.org/10.1016/j.cemconres.2022.106748

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

2022 |Lowke, D.; Mai, I.; Perrot, A.: Fluid intrusion in powder beds for selective cement activation – An experimental and analytical study, In: Cement and Concrete Research, Volume 156, June 2022, 106748, DOI: http//:doi.org/10.1016/j.cemconres.2022.106771

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.: 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 | 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 | 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 | 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 | 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 | 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 | 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.

2020 | Buswell, R.A.; Leal da Silva; W.R.; Bos, F.P.; Schipper, H.R.; Lowke, D.; Hack, N.; Kloft, H.; Mechtcherine, V.; Wangler, T.; Roussel, N.: A process classification framework for defining and describing Digital Fabrication with Concrete. In: Cement and Concrete Research 134, 2020. – DOI: https://doi.org/10.1016/j.cemconres.2020.106068.

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.

2020 | Lowke, D.: Herausforderungen für einen traditionellen Werkstoff auf dem Weg in die Zukunft – Digitaler Beton. In: BFT International, 02-2020, Vol. 86, S. 75, 2020.

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.

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]]> Prof. Dr.-Ing. Annika Raatz https://amc-trr277.de/trr277-people/prof-dr-ing-annika-raatz/ Thu, 25 Nov 2021 10:04:18 +0000 http://amc-trr277.de/?post_type=person&p=3533 she is responsible for the scientific management and coordination of project B04. In addition to supervising the content of the research assistant, she supports the coordination of the work and represents the project internally and externally as head of the institute.

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Prof. Dr.-Ing. Annika Raatz

AMC Board
Project leader
Current location: Leibnitz Universität Hannover
Institute: Institute of Assembly Technology
OrcidiD: 0000-0002-1697-1907

raatz@match.uni-hannover.de

she is head of the Institute of Assembly Technology and Robotics. Together with André Hürkamp, she leads project B04 and is responsible for the scientific management and coordination with a particular focus on robotics and automation. In this role, she represents the project both internally and externally.

Project(s)

Project B 04

Process Control and Adaptive Path Planning for Additive Manufacturing Processes Based on Industrial Robots with an Extended Degree of Freedom

Publications

2024 | G. Dielemans, L. Lachmayer, N. Khader, N. Hack, A. Raatz, K. Dörfler: Robotic Repair: In-Place 3D Printing for Repair of Building Components Using a Mobile Robot Construction 3D Printing, 2024, https://doi.org/10.1007/978-3-031-64269-2_20

2025 | K. Dörfler, G. Dielemans, S. Leutenegger, S.E. Jenny, J. Pankert, J. Sustarevas, L. Lachmayer, A. Raatz, D. Lowke: Advancing construction in existing contexts: Prospects and barriers of 3d printing with mobile robots for building maintenance and repair Cement and Concrete Research, 186, 2025, https://doi.org/10.1016/j.cemconres.2024.107656

 

2025 | R. Dörrie, L. Lachmayer, A. Baghdadi, M. David, K. Dröder, A. Raatz, H. Kloft: Investigation on process guidelines and geometric capabilities for robust shotcrete 3D printing, Materials & Design, 2025, https://doi.org/10.1016/j.matdes.2025.115050

Data | LeoPARD, 2025, https://doi.org/10.24355/dbbs.084-202510271126-0

2025 | R. Dörrie, L. Lachmayer, A. Baghdadi, M. David, K. Dröder, A. Raatz, H. Kloft: Investigation on process guidelines and geometric capabilities for robust shotcrete 3D printing Materials & Design, 2025, 115050, https://doi.org/10.1016/j.matdes.2025.115050

Data |LeoPARD, 2025, https://doi.org/10.24355/dbbs.084-202510271126-0

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

Data |Zenodo, 2025, https://doi.org/10.5281/zenodo.17899305

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

Data | ReinforcementInFoam_Image_Dataset, Zenodo, 2025, https://doi.org/10.5281/zenodo.15096976.

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 | L. Lachmayer, N. Müller, T. Herlyn, A. Raatz: Volume flow-based process control for robotic additive manufacturing processes in construction 2023 IEEE 19th International Conference on Automation Science and Engineering (CASE)

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

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 | 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 | 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

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 | 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

2022 | Lachmayer, L.; Recker, T.; Raatz, A.: Contour Tracking Control for Mobile Robots applicable to Large-scale Assembly and Additive Manufacturing in Construction. In: 9th CIRP Conference on Assembly Technology and Systems, 2022
https://doi.org/10.1016/j.procir.2022.02.163

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.

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.

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