Additive Manufacturing in Construction
AMC TRR 277

Research Summary Report

Research Summary Report of A01

Particle-Bed 3D Printing by Selective Cement Activation (SCA) – Particle Surface Functionalisation, Particle-Bed Compaction and Reinforcement Implementation [10.03.2023] Herding, Friedrich; Researcher, f.herding@ibmb.tu-bs.de Mai, Inka; Researcher, mai@tu-berlin.de Lowke, Dirk; Project leader, d.lowke@ibmb.tu-bs.de TU Braunschweig, Institute of Building Materials, Concrete Construction and Fire Safety (iBMB)     The main objective of our research is to understand the material-process interactions in particle-bed 3D printing (PB3DP) by Selective Cement Activation (SCA) in order to produce concrete elements with high mechanical strength and geometric precision. …

Published on 28. March 2023
Category: Research Summary Report

Research Summary Report of C05

Jointing Principles for Combination of Concrete Elements Produced by Different Additive Manufacturing Processes [24.03.2023] Prof. Dr. Martin Empelmann (iBMB) Prof. Dr. Harald Kloft (ITE) Abtin Baghdadi, a.baghdadi@tu-braunschweig.de Jan-Paul Lanwer,  Hendrik Weigel (iBMB) The Technical University of Braunschweig, Institute of Structural Design (ITE) Institute of Building Materials, Concrete Construction and Fire Safety (iBMB)     This collaborative project between ITE and iBMB (Concrete-Construction Division) focuses on investigating the combination of different additively manufactured elements using subtractive robotic processes. The primary objective …

Published on 24. March 2023
Category: Research Summary Report

Research Summary Report of B03

Modelling and Simulation of Shotcrete 3D Printing (SC3DP) Based on a Massively Parallel Multi-Phase, Multi-Component Coupled LBM-DEM Approach [17.03.2023] K. Kutscher (PostDoc), kutscher@irmb.tu-bs.de M. Geier (PI), geier@irmb.tu-bs.de M. Krafczyk (PI), kraft@irmb.tu-bs.de TU Braunschweig, IRMB   The primary aim of the project is to understand and quantify the dynamic distribution of material components (fluid, air and particles) and kinetic energy inside the jet of liquid concrete present in the shotcrete process. The information is required as a basis for future optimization …

Published on 21. March 2023
Category: Research Summary Report

Research Summary Report of C04

Integrating Digital Design and Additive Manufacturing through BIM-Based Decision Support and Digital Twin Methods [17.02.2023] Borrmann, André, Project leader,andre.borrmann@tum.de, Slepicka, Martin, Researcher,martin.slepicka@tum.de, Technical University of Munich,Chair of Computational Modeling and Simulation   Summary Computer Aided Manufacturing (CAM) methods, such as Additive Manufacturing (AM), are becoming increa­singly popular in the construction industry since they of­fer more geometrical freedom than conventional methods. However, more complex data preparation is required for these methods and thus they have been considered separately from digital design …

Published on 11. March 2023
Category: Research Summary Report

Research Summary Report of A02

Particle-Bed 3D Printing by Selective Cement Paste Intrusion (SPI) – Particle Surface Functionalisation, Particle Synthesis and Integration of WAAM Reinforcement [10.02.2023] Hamilton, Leigh Duncan; Researcher; Leigh-Duncan.Hamilton@tu-braunschweig.de Zetzener, Harald; Leading researcher; H.Zetzener@tu-braunschweig.de Kwade, Arno; Project leader; A.Kwade@tu-braunschweig.de All: TU Braunschweig, Institute for Particle Technology   Our main goal within project A02 is to unite two additive manufacturing (AM) processes, thereby, creating a hybrid AM process for structural concrete. The foundation of A02 is formed around the concrete 3D printing process Selective …

Published on 6. March 2023
Category: Research Summary Report

Research Summary Report of A04

Integrated Additive Manufacturing Processes for Reinforced Shotcrete 3D Printing (SC3DP) Elements with Precise Surface Quality [20.01.2023] David, Martin; Doctoral Researcher, m.david@tu-braunschweig.de, TU Braunschweig, Institute for Machine Tools and Production Technology (IWF)     Summary Project A04 aims to investigate cooperative Additive Manufacturing (AM) processes based on Shotcrete 3D Printing (SC3DP) for the production of material-efficient, force-optimised, reinforced, load-bearing concrete components with precise surface quality and geometrical precision. The goal is to produce large-scale concrete elements using significantly lower amounts of …

Published on 23. February 2023
Category: Research Summary Report

Research Summary Report of A05

Integration of Individualized Prefabricated Fibre Reinforcement in Additive Manufacturing with Concrete [03.02.2023] Rothe, Tom; Doctoral researcher, t.rothe@tu-braunschweig.de, Hühne, Christian; Project Leader, Christian.Huehne@tu-braunschweig.de, TU Braunschweig, Institute for Mechanics and Adaptronics (IMA)   The individual integration of fibre reinforcement into large concrete components produced by Additive Manufacturing allows new design freedoms and reduces concrete consumption due to reduced concrete cover. The project A05 develops strategies to integrate freely formable reinforcement strands for the different AM processes. For doing so, a Dynamic Winding …

Published on 16. February 2023
Category: Research Summary Report

Research Summary Report of A06

Laser Powder-Bed Fusion (LPBF) of Steel Elements for Construction – Basics of Design and Mechanical Resilience [27.01.2023] Wenzler, David; doctoral researcher; david.wenzler@tum.de Technical University of Munich, Institute for Machine Tools and Industrial Management   Diller, Johannes; doctoral researcher; johannes.diller@tum.de Siebert, Dorina; doctoral researcher; dorina.siebert@tum.de Technical University of Munich, Chair of Metal Structures     Summary The project A06 aims to explore and evaluate the factors influencing the manufacturing of safe and durable structural steel elements by laser powder-bed fusion (LPBF). …

Published on 8. February 2023
Category: Research Summary Report

Research Summary Report of A07

Wire and Arc Additive Manufacturing (WAAM) of Complex Individualized Steel Components [13.01.2023] Jahns, Hendrik; Doctoral researcher; h.jahns@stahlbau.tu-braunschweig.de Unglaub, Julian; Principle Investigator; j.unglaub@stahlbau.tu-braunschweig.de Thiele, Klaus; Principle Investigator; k.thiele@stahlbau.tu-braunschweig.de Institute of Steel Structures Technische Universität Braunschweig   In project A07 the design, manufacturing and mechanical properties of complex individualized WAAM steel nodes for use in construction is investigated. A new method is developed to design force flow optimized steel nodes as connectors between semi-finished parts and anchorage structures considering the manufacturing possibilities …

Published on 24. January 2023
Category: Research Summary Report

Research Summary Report of A08

Structural Timber by Individual Layer Fabrication (ILF) [06.01.2023] Asshoff, Carsten; Doctoral researcher; carsten.asshoff@wki.fraunhofer.de Fraunhofer Institute for Wood Research Wilhelm-Klauditz-Institut WKI   The main goal of the project ’A08 – Structural Timber by Individual Layer Fabrication (ILF)’ is to develop a process to additively manufacture large-scale, wood composite objects with a maximum content of wood material and strength values suited for applications in construction. In the course of the project multiple process variants and material combinations are explored. For this, the …

Published on 20. January 2023
Category: Research Summary Report