Additive Manufacturing in Construction
AMC TRR 277

Research Summary Report

Research Summary Report A04

Integrated Additive Manufacturing Processes for Reinforced Shotcrete 3D Printing (SC3DP) Elements with Precise Surface Quality [26.08.2022] Dörrie, Robin: doctoral researcher, r.doerrie@tu-braunschweig.de, Technische Universität Braunschweig, Institut für Tragwerksentwurf 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 be investigated based on …

Published on 6. September 2022
Category: Research Summary Report

Research Summary Report A03

Extrusion of Near-Nozzle Mixed Concrete –Individually Graded in Density and in Rate of 3D Fibre Reinforcement [26.08.2022] Hechtl, Christian Maximilian, TP editor, m.hechtl@tum.de, TUM, Chair of Materials Science and Testing (cbm) Dr.-Ing. Matthäus, Carla, TP editor, c.matthaeus@tum.de, TUM, cbm Dr.-Ing. Kränkel, Thomas, PL, thomas.kraenkel@tum.de, TUM, cbm Prof. Dr.-Ing. Gehlen, Christoph, PL, gehlen@tum.de, TUM, cbm   The goal of A03 is to establish a concrete extrusion process using a near nozzle mixing approach to enable the change of material properties while …

Published on 31. August 2022
Category: Research Summary Report

Research Summary Report B04

Process Control and Adaptive Path Planning for Additive Manufacturing Processes Based on Industrial Robots with an Extended Degree of Freedom [19.08.2022] Lachmayer, Lukas; Doctoral researcher, lachmayer@match.uni-hannover.de Leibniz Universität Hannover, Institute of Assembly Technology (match) Function integration, topology optimization and automation increase productivity through the reduced workload, sustainability by less applied material and safety by decreasing manual labour. These benefits are condensed in most additive manufacturing processes, and thus, these are of significant interest to the construction industry. However, the time- …

Published on 24. August 2022
Category: Research Summary Report

Research Summary Report C01

Bridging Scales – From Geometric Part Details to Construction Elements [16.08.2022] Kollmannsberger, Stefan; PL, stefan.kollmannsberger@tum.de, TUM, CMS Rank, Ernst; PL, ernst.rank@tum.de, TUM, Institute for Advanced Study Oztoprak, Oguz; WiMi, oguz.oztoprak@tum.de, TUM, CMS   Digital models for Additive Manufacturing (AM) must consider many different geometric scales. The scales range from micrometers up to tens of meters for metal- or concrete-based processes. The TP C01 aims to develop consistent geometric and computational descriptions for the relevant AM products on all of these …

Published on 16. August 2022
Category: Research Summary Report

Research Summary Report A02

Particle-Bed 3D Printing by Selective Cement Paste Intrusion (SPI) – Particle Surface Functionalisation, Particle Synthesis and Integration of WAAM Reinforcement [09.08.2022] Straßer, Alexander, TP editor, alexander.strasser@tum.de, TUM, Chair of Materials Science and Testing Matthäus, Carla, TP editor, c.matthaeus.@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 The goal of A02 is to implement reinforcement by Wire and Arc …

Published on 9. August 2022
Category: Research Summary Report

Research Summary Report B03

Modelling and Simulation of Shotcrete 3D Printing (SC3DP) Based on a Massively Parallel Multi-Phase, Multi-Component Coupled LBM-DEM Approach [26.07.2022] Kutscher, Konstantin; Researcher Geier, Martin; Project leader Krafczyk, Manfred; Project leader all: TU Braunschweig, Institut für rechnergestützte Modellierung im Bauingenieurwesen (IRMB) B03 goals 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 …

Published on 28. July 2022
Category: Research Summary Report

Research Summary Report A01

Particle-Bed 3D Printing by Selective Cement Activation (SCA) – Particle Surface Functionalisation, Particle-Bed Compaction and Reinforcement Implementation [15.07.2022] Herding, Friedrich; Researcher, f.herding@ibmb.tu-bs.de Mai, Inka; Leading researcher, i.mai@ibmb.tu-bs.de Lowke, Dirk; Project leader, d.lowke@ibmb.tu bs.de all: TU Braunschweig, Institute of Building Materials, Concrete Construction and Fire Safety (iBMB) The main objective of our research in TP A01 is to understand the material-process-interactions in particle bed 3D printing by Selective Cement Activation (SCA) in order to produce concrete elements with high mechanical strength …

Published on 19. July 2022
Category: Research Summary Report

Research Summary Report C05

Jointing Principles for Combination of Concrete Elements Produced by Different Additive Manufacturing Processes [12.07.2022] The Technical University of Braunschweig, Institute of Structural Design (ITE) Prof. Dr. Harald Kloft.eng (ITE) Prof. Dr. Martin Empelmann.eng (iBMB)  Author: Abtin Baghdadi a.baghdadi@tu-braunschweig.de Researchers: Jan-Paul Lanwer, Hendrik Weigel  (iBMB), Abtin Baghdadi (ITE) This project, as close cooperation between ITE and iBMB (Concrete-Construction) by subtractive robotic process, aims to investigate the jointing principle to combine different additively manufactured elements. C05 investigates the execution process and load-bearing …

Published on 12. July 2022
Category: Research Summary Report

Research Summary Report C04

Integrating Digital Design and Additive Manufacturing through BIM-Based Decision Support and Digital Twin Methods [05.07.2022] Borrmann, André, Project leader, andre.borrmann@tum.de, Technical University of Munich, Chair of Computational Modeling and Simulation; Slepicka, Martin, Researcher, martin.slepicka@tum.de, Technical University of Munich, Chair of Computational Modeling and Simulation; 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 …

Published on 5. July 2022
Category: Research Summary Report

Research Summary Report A02

Particle-Bed 3D Printing by Selective Cement Paste Intrusion (SPI) – Particle Surface Functionalisation, Particle Synthesis and Integration of WAAM Reinforcement [17.06.2022] 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 TU Braunschweig, Institute for Particle Technology  Our research mission for A02 is the implementation of Wire and Arc Additive Manufacturing (WAAM) as a means of simultaneously printing the reinforcement during the particle bed concrete 3D-printing method selective paste intrusion (SPI). The combination of SPI …

Published on 21. June 2022
Category: Research Summary Report