World’s First 3D-Printed Steel Bridge

Last week, the world’s first 3D-printed steel bridge was unveiled in Amsterdam, the Netherlands.

The 40-foot-long (12 meter) bridge was created from 6 tons of stainless steel in just 6 months by four industrial 3D printing robots by Dutch company MX3D. It was created using a 3D printing technique called wire and arc additive manufacturing that combines robotics with welding.

In addition to serving as a foot bridge over one of the canals in Amsterdam’s city center, it will also serve as a “living laboratory” as a network of sensors will monitor and analyze its performance as the bridge serves pedestrian traffic.  The data collected will enable engineers to measure the bridge’s ‘health’ in real time and understand further how 3D printed steel structures will perform over time.

Professor Leroy Gardner of the Department of Civil and Environmental Engineering of Imperial College London said in a statement, “D printing presents tremendous opportunities to the construction industry, enabling far greater freedom in terms of material properties and shapes. This freedom also brings a range of challenges and will require structural engineers to think in new ways.”

To unveil the new 3D-printed steel bridge, Queen Máxima of the Netherlands pressed a button that prompted a robot to cut a ribbon hanging across the bridge.

Images: MX3D

#bridge #3DPrinting #MX3D #steel #civilengineering #welding

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