Additive Manufacturing in Construction
AMC TRR 277

Research Summary Report

Research Summary Report of C02

3D Structural Puzzle – Numerical Multi Scale Shape and Topology Optimisation Methods to Additively Manufacture Optimal Structures from Optimised Pieces   [01.03.2024] Richter, Christiane, M.Sc.; Doctoral Researcher, christiane.richter@tum.de, TUM, Professorship of Structural Design (SD) Prof. Dr. D’Acunto, Pierluigi; Project Leader, pierluigi.dacunto@tum.de, TUM, Professorship of Structural Design (SD)     Main Goal Current building practices often adopt a sequential design approach, where architectural, structural, and fabrication aspects are addressed independently, resulting in excessive material consumption. The CO2 project aims to establish …

Published on 7. March 2024
Category: Research Summary Report

Research Summary Report of A04

Integrated Additive Manufacturing Processes for Reinforced Shotcrete 3D Printing (SC3DP) Elements with Precise Surface Quality [23.02.2024] Dörrie, Robin Phd candidate r.doerrie@tu-braunschweig.de Technische Universität Braunschweig ITE Institut für Tragwerksentwurf   Main Goal The project aims to fundamentally understand SC3DP technology to manufacture sustainable, multi-objective optimised, reinforced concrete components with precise surface quality and improved building physics via functional integration. It seeks to minimise carbon footprint by exploring varied material strategies, such as reducing cement content and design methods to decrease overall …

Published on 29. February 2024
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 [07.02.2024] Raatz, Annika; raatz@match.uni-hannover.de LUH, Institute of Assembly Technology and Robotics Lachmayer, Lukas; lachmayer@match.uni-hannover.de LUH, Institute of Assembly Technology and Robotics Heeren, Hauke; heeren@match.uni-hannover.de LUH, Institute of Assembly Technology and Robotics   Main Goal The research of project B04 is dedicated to extending the current state-of-the-art path planning and process control algorithms for concrete-based additive manufacturing. The objective is to …

Published on 20. February 2024
Category: Research Summary Report

Research Summary Report of C01

Bridging Scales – From Geometric Part Details to Construction Elements [02.02.2024] Kollmannsberger, Stefan; stefan.kollmannsberger@tum.de TUM, Computational Modeling and Simulation Bürchner, Tim; tim.buerchner@tum.de TUM, Computational Modeling and Simulation Rank, Ernst; ernst.rank@tum.de TUM, Institute for Advanced Study   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 and mutually influence each other. Project C01 aims to develop consistent geometric and computational descriptions for the …

Published on 2. February 2024
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 [1.12.2023] Hechtl, Christian Maximilian, TP editor, m.hechtl@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 (NNM) approach to enable the gradual variation of material properties during printing (gradation). This approach allows for the creation of multifunctional components, …

Published on 10. December 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 [17.11.2023] 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   The goal of A02 is to implement reinforcement by Wire and Arc Additive Manufacturing (WAAM) in concrete elements produced by Selective Paste Intrusion …

Published on 24. November 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 [10.11.2023] Kutscher (PostDoc), M. Geier (PI), M. Krafczyk (PI) 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 of the process with …

Published on 14. November 2023
Category: Research Summary Report

Research Summary Report of A01

Particle bed 3D printing by selective cement activation: Particle surface functionalization, particle bed compaction and reinforcement integration [03.11.2023] Herding, Friedrich; Researcher, f.herding@ibmb.tu-bs.de Lowke, Dirk; Project leader, lowke@tum.de TU Braunschweig, Institute of Building Materials, Concrete Construction and Fire Safety / Technical University of Munich, Department of Materials Engineering Our main research objective is the fundamental understanding of the material-process interactions in particle bed 3D printing (PB3DP) by Selective Cement Activation (SCA). This will allow for the manufacturing of concrete elements with …

Published on 8. November 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 [06.10.2023] 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 10. October 2023
Category: Research Summary Report

Research Summary Report of A05

Integration of Individualized Prefabricated Fibre Reinforcement in Additive Manufacturing with Concrete [29.09.2023] Rothe, Tom; Doctoral researcher, t.rothe@tu-braunschweig.de, TU Braunschweig, Institute of Mechanics and Adaptronics (IMA)   Hühne, Christian; Project Leader, Christian.Huehne@tu-braunschweig.de, TU Braunschweig, Institute of Mechanics and Adaptronics (IMA)   Fig 2: Robotic integration of reinforcement into the column of the Shelltonics demonstrator 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. …

Published on 2. October 2023
Category: Research Summary Report
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