Holcim and Zaha Hadid Architects team debuts second 3D printed concrete bridge concept

Zaha Hadid Architects has released details of a second collaborative effort with Holcim on a 3D printed bridge concept that was first debuted as part of the 2021 Venice Architecture Biennale. The new ten-ton Phoenix design offers an evolution of the innovations seen in the previous Striatus bridge, the original blocks of which the team was able to recycle in the second iteration.  Image: Vincent DelesvauxFor the project, Holcim was able to deliver Phoenix with a 25% overall reduction in CO2 footprint compared to its earlier counterpart, thanks to the use of an updated ECOCycle circular technology and a special proprietary concrete ink that was also developed by the company. The construction was completed recently in Lyon, France, on the grounds of Holcim’s Innovation Hub. Its proponents are now citing it as a milestone for the design industry’s quest to develop low-carbon structural solutions at different scales. Image: HolcimShajay Bhooshan, head of Zaha Hadid Architects' Computati...