Functionally Graded Concrete Building System

Research Project 1-1 (RP 1-1)

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IntCDC Research Project 1 – Functionally Graded Concrete Building System
CO-DESIGN OF FUNCTIONALLY GRADED CONCRETE BUILDING SYSTEM

This research project will develop a functionally graded concrete (FGC) building system that is resource efficient in terms of load-bearing capacity, taking into account the specific requirements of multi-storey buildings.

We will develop methods for the design and production of concrete structures that fulfil their functions with minimum material use by synthesising knowledge in materials science, structural engineering and production processes. This work will include the conceptual development of the FGC building system and evaluation of its overall performance for load transfer and building physics. In addition, we will develop methods for the optimisation of components interior, optimised load-adapted joints and the integration of reinforcement in terms of fabrication processes, logistics and construction tolerances. Throughout this project, components will be produced and tested to evaluate their load-bearing behaviour and their building physics performance. The flexibility of the system will be evaluated on the design and production of the demonstrator building.

The development will include design methods, structural systems, building services and building physics, as well as joint systems, in close collaboration with with the Research Projects Cyber-Physical Fabrication of Functionally Graded Concrete (RP 2-1), Multi-Storey Wood Building Systems (RP 3-1), Cyber-Physical Construction Platform (RP 8-1), Robotic Platform for Cyber-Physical Assembly (RP 16-1) and Holistic Social, Environmental and Technical Quality Model (RP 18-1).

PRINCIPAL INVESTIGATORS

Prof. Dr.-Ing. Dr. h.c. Dr.-Ing. E.h. Werner Sobek 
Institute for Lightweight Structures and Conceptual Design (ILEK), University of Stuttgart
Prof. Dr.-Ing. Lucio Blandini
Institute for Lightweight Structures and Conceptual Design (ILEK), University of Stuttgart
Prof. Dr.-Ing. Harald Garrecht 
Institute of Construction Materials (IWB), University of Stuttgart

TEAM

Dr.-Ing. Walter Haase (ILEK)
Oliver Gericke (ILEK)
Carl Haufe (ILEK)
Daria Kovaleva (ILEK)
Piotr Lazik (IWB)
David Nigl (ILEK)
Alexander Teichmann (IWB)
 

PEER-REVIEWED PUBLICATIONS

  1. 2025

    1. Strahm, B., Haufe, C. N., & Blandini, L. (2025). Investigations on the shear load‐bearing behavior of functionally graded concrete beams with mineral hollow spheres. Structural Concrete. https://doi.org/10.1002/suco.202401276

  2. 2024

    1. Blagojevic, B., Houriez, N., Gienger, A., & Sawodny, O. (2024). Modeling and Volume Flow Control of a Hydraulic Concrete Piston Pump. 2024 IEEE Conference on Control Technology and Applications (CCTA), 612–617. https://doi.org/10.1109/CCTA60707.2024.10666564
    2. Teichmann, A., Strahm, B., Garrecht, H., & Blandini, L. (2024). Effects of a two-stage mixing process on the characteristics of concrete: Part I - Hardened concrete characteristics. Results in Materials, 23, 100604. https://doi.org/10.1016/j.rinma.2024.100604

  3. 2023

    1. Blagojevic, B., Gienger, A., Nigl, D., Blandini, L., & Sawodny, O. (2023). Modelling, Feedforward Control and Constrained Trajectory Generation for a Concrete Conveyance System. Journal of Dynamic Systems, Measurement, and Control.
    2. Blagojevic, B., Gienger, A., & Sawodny, O. (2023). Dynamics of Path Following and Constrained Path Synchronization Applied to Graded Concrete Element Fabrication. 2023 IEEE 19th International Conference on Automation Science and Engineering (CASE), 1–6. https://doi.org/10.1109/CASE56687.2023.10260681
    3. Blagojevic, B., & Sawodny, O. (2023). Path Planning for Graded Concrete Element Fabrication. Construction Robotics.
    4. Blandini, L., Kovaleva, D., Haufe, C. N., Nething, C., Nigl, D., Nitzlader, M., Smirnova, M., Strahm, B., Bosch, M., Funaro, D., & Nistler, M. (2023). Leicht bauen mit Beton – ausgewählte Forschungsarbeiten des ILEK – Teil 2: Strukturleichtbau. Beton- Und Stahlbetonbau, 118, Article 5. https://doi.org/10.1002/best.202300026
    5. Blandini, L., Kovaleva, D., Nething, C., Nigl, D., Smirnova, M., Strahm, B., Eppinger, E., & Teichmann, A. (2023). Leicht bauen mit Beton – ausgewählte Forschungsarbeiten des ILEK – Teil 1: Materialleichtbau. Beton- Und Stahlbetonbau, 118, Article 5. https://doi.org/10.1002/best.202300025
    6. Haufe, C. N., Nigl, D., & Blandini, L. (2023). Investigations On The Load-bearing Behaviour Of Continuous Functionally Graded Concrete Beams: Vol. Proceedings of the International fib Symposium on the Conceptual Design of Concrete Structures held in Oslo, Norway (F. I. du Béton – International Federation for Structural Concrete, ed.). Fédération Internationale du Béton – International Federation for Structural Concrete. https://www.fib-international.org

  4. 2022

    1. Blandini, L. (2022). Lightweight and Sustainable Concrete Structures: The ILEK Research Strategy. Proceedings of the Fib International Congress 2022 in Oslo, Norway.
    2. Frost, D., Gericke, O., Di Bari, R., Balangé, L., Zhang, L., Blagojevic, B., Nigl, D., Haag, P., Blandini, L., Jünger, H. C., Kropp, C., Leistner, P., Sawodny, O., Schwieger, V., & Sobek, W. (2022). Holistic Quality Model and Assessment—Supporting Decision-Making towards Sustainable Construction Using the Design and Production of Graded Concrete Components as an Example. Sustainability, 14, Article 18. https://doi.org/10.3390/su141811269
    3. Gericke, O., Blandini, L., & Sobek, W. (2022). Rigid Implant Connections for Thin-Walled Concrete Beams. Proceedings of the Fib International Congress 2022 in Oslo, Norway.
    4. Miller, O., Gericke, O., Nigl, D., Kovaleva, D., & Blandini, L. (2022). Simulation-Based Investigations of the Load-Bearing Behavior of Concrete Hollow Sphere Slabs Exposed to Fire. Fire, 5, Article 6. https://doi.org/10.3390/fire5060197
    5. Nigl, D., Gericke, O., Blandini, L., & Sobek, W. (2022). Numerical investigations on the biaxial load-bearing behaviour of graded concrete slabs. Proceedings of the Fib International Congress 2022 in Oslo, Norway.

  5. 2021

    1. Yang, Y., Balangé, L., Gericke, O., Schmeer, D., Zhang, L., Sobek, W., & Schwieger, V. (2021). Monitoring of the Production Process of Graded Concrete Component Using Terrestrial Laser Scanning. Remote Sensing, 13, Article 9. https://doi.org/10.3390/rs13091622

OHTER PUBLICATIONS

  1. 2020

    1. Alhamdani, I. A. H. (2020). Investigation of the web layout in thin-walled hollow core slabs made from carbon fibre reinforced concrete.
    2. Sahin, A. (2020). Investigations on transferring tensile forces out of thin-walled concrete components.
    3. Trunzer, P. (2020). Investigation on modular sand formwork for the waste-free production of concrete components.
    4. Vorholzer, M. (2020). Investigations of connections and supports of concrete slabs in multi-storey buildings with regard to resulting mass saving potentials.
    5. Yang, Y. (2020). Investigation for position determination of hollow sphere integrated in concrete components during component production.
    6. Zhang, H. (2020). Development of an implant for the optimised support of prefabricated slabs made of fibre-reinforced concrete.

DATA SETS

  1. 2025

    1. Teichmann, A. (2025). Replication Data for: Exploring the Predictive Potential of Sequential Data in Concrete Manufacturing [DaRUS]. https://doi.org/10.18419/DARUS-4780

  2. 2024

    1. Strahm, B., Haufe, C., & Blandini, L. (2024). Replication Data for: Investigations on the Fire Behavior of Functionally Graded Concrete Slabs with Mineral Hollow Spheres [DaRUS]. https://doi.org/10.18419/darus-4194
    2. Strahm, B., Haufe, C., & Blandini, L. (2024). Replication Data for: Numerical and Experimental Investigations on the Shear Load-Bearing Behavior of Functionally Graded Concrete Components [DaRUS]. https://doi.org/10.18419/darus-3875

  3. 2023

    1. Teichmann, A., Strahm, B., Garrecht, H., & Blandini, L. (2023). Compressive strength measurement data [DaRUS]. https://doi.org/10.18419/darus-3753

    

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