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THE LONGEST 3D PRINTED BRIDGE
The world’s longest 3D-printed concrete pedestrian bridge has been completed in Shanghai. Designed by Professor Xu Weiguo from the Tsinghua University (School of Architecture) - Zoina Land Joint Research Center for Digital Architecture, the 26.3-meter-long bridge was inspired by the ancient Anji Bridge in Zhaoxian, China.
The single-arch structure was created using a 3D printing concrete system developed by Professor Xu Weiguo’s team, integrating digital design, cost efficiency, smart technology, and architectural dynamism. Enclosing the 3.6-meter width, the bridge’s handrails are shaped like flowing ribbons on the arch, creating a light, elegant movement across the Shanghai Wisdom Bay pond.
The bridge is constructed of 44 hollowed-out 3D printed concrete units, while the handrails are divided into 68 units. The bridge’s components have been printed from composite materials, containing polyethylene fiber concrete to match the structural performance of conventional materials.
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