Additive Manufacturing in Construction
AMC TRR 277

Research Summary Report

Research Summary Report of A04

Integrated Additive Manufacturing Processes for Reinforced Shotcrete 3D Printing (SC3DP) Elements with Precise Surface Quality [21.03.2023] Robin Dörrie; phd candidate, r.doerrie@tu-braunschweig.de, Technische Universität Braunschweig, Institute of Structural Design   Main goal Within this project, basic research on various Shotcrete 3D Printing (SC3DP) strategies, materials, tools and methods will be conducted with regard to enhanced material and process control, reinforcement integration, surface quality and automation. To that end, different reinforcement materials in combination with suitable reinforcement manufacturing and integration concepts will …

Published on 28. April 2023
Category: Research Summary Report

Research Summary Report of B04

Process Control and Adaptive Path Planning for Additive Manufacturing Processes Based on Industrial Robots with an Extended Degree of Freedom [14.04.2023] Lachmayer, Lukas; Doctoral researcher, lachmayer@match.uni-hannover.de, Leibniz Universität Hannover, Institute of Assembly Technology (match)   Main goal The main objective of project B04 is to achieve repeatability in concrete-based robot-guided additive manufacturing processes, which is crucial for enhancing productivity, sustainability and safety in the construction industry. While additive manufacturing processes offer several benefits such as reduced workload, decreased material usage, …

Published on 26. April 2023
Category: Research Summary Report

Research Summary Report of A03

Extrusion of Near-Nozzle Mixed Concrete –Individually Graded in Density and in Rate of 3D Fibre Reinforcement [07.04.2023] Hechtl, Christian Maximilian, TP editor, m.hechtl@tum.de, TUM, Chair of Materials Science and Testing (cbm) Dr.-Ing. Kränkel, Thomas, PL, thomas.kraenkel@tum.de, TUM, cbm Prof. Dr.-Ing. Gehlen, Christoph, PL, gehlen@tum.de, TUM, cbm   Main goal The goal of A03 is to establish a concrete extrusion process using a near-nozzle mixing (NNM) approach to enable a quick change of material properties during printing (gradation). This approach allows …

Published on 19. April 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 [24.03.2023] Straßer, Alexander, TP editor, alexander.strasser@tum.de, TUM, Chair of Materials Science and Testing Kränkel, Thomas, TP editor, thomas.kraenkel@tum.de, TUM, Chair of Materials Science and Testing Gehlen, Christoph, PL, gehlen@tum.de, TUM, Chair of Materials Science and Testing   Main goal The goal of A02 is to implement reinforcement by Wire and Arc Additive Manufacturing (WAAM) in concrete elements produced by Selective …

Published on 14. April 2023
Category: 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
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