#6 – Additive Manufacturing in Construction: In situ Retrofitting Using AM with Mobile Robots

Topic

In this workshop we aim to experimentally explore whether the deployment of mobile robots on building sites could be utilized for retrofitting, customized renovation, or repair by applying in situ extrusion 3D printing technology. For this, we will set up a testing scenario, in which parts of an incomplete – unfinished or broken – building component will be completed by utilizing the AM technology of in-place extrusion 3D printing. A mobile robot will be equipped with an onboard sensing system to recognize the geometric shape of such an incomplete component, and a geometry will be generated based on the sensor data, which will be in-place printed by the robot.

The workshop will include the following blocks:

  • Block 1 (Theory): Introduction of mobile construction robotics and basics of sensing and context awareness
  • Block 2 (Practical Experiment): Sensing, data processing, and geometry generation
  • Block 3 (Practical Experiment): Design studies and path planning
  • Block 4 (Practical Experiment): 3D printing
  • Block 5 (Results and Discussion): Reflection on the results and learned topics

Prior knowledge to Rhino/Grasshopper is of advantage but not required.

Moods


Speakers


Gido Dielemans

gido.dielemans@tum.de

Gido Dielemans is a doctoral researcher at the Assistant Professorship for Digital Fabrication at the Department of Architecture within TU Munich. With background in structural design and engineering, he develops strategies for using mobile robotic systems performing extrusion-based AM on construction sites.


Noor Kader

n.khader@tu-braunschweig.de

Noor Kader is a research associate at the Institute for Structural Design at TU Braunschweig. With training in both architecture and digital fabrication, she deals with workflows from design to fabrication with various additive manufacturing processes using cementitious materials.


Lukas Lachmayer

lachmayer@match.uni-hannover.de

Lukas Lachmayer is conducting his research as a mechanical engineer at the institute of assembly technology at the Leibniz University in Hannover. He focuses on process control and path-planning for robot-based additive manufacturing processes to ensure faultless deposition 3D-printing processes.


Gabriela Kienbaum

gabriela.kienbaum@tu-braunschweig.de

Gabriela Kienbaum pursues her master’s in architecture at TU Braunschweig and holds a position as research associate within the Institute for Structural Design in the Junior Research Group “Future Urban Coastlines” applying Shotcrete 3DPrinting Technology.



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