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World’s first 3D printed bridge is unveiled in Madrid

Researchers have created first concrete large-scale 3D printed bridge in the world, which they say could be the future for construction.

The pedestrian footbridge, which is 12 meters long and almost two meters wide, was positioned across a small creek in the public Castilla La Mancha Park in Alcobendas, Madrid, using cranes.

The architecture of the bridge was designed by Barcelona-based Institute of Advanced Architecture of Catalonia (IAAC), and utilized the philosophy and techniques of biomimetic architecture, which attempts to create solutions that allow for sustainability in nature, which can save on resources, energy, and cost of the structure, as well as builds elements that resemble the various forms of nature.

There are several advantages to large-scale 3D printing in concrete, which include:

  • Versatility in building structural elements freely, without using molds or formwork
  • Flexibility and adaptability to any shape, geometry, and architectural design of great resistance
  • Minimizing the amount of waste by recycling the raw material during the manufacturing
  • Reduced resources and energy needed for constructing the concrete elements.

 

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