With the rapid rate of urbanization and population growth, the world needs to build better with less to decarbonize construction and build new from old to preserve natural resources. We can do this by deploying low-carbon materials, smart design and circular construction.
3D concrete printing ticks all the boxes and at Holcim, this is one of the innovations in construction that we are continuously advancing to solve some of these global challenges. It all started with Striatus, and now we are taking it to the next level with Phoenix.
From Striatus to Phoenix
Phoenix represents the evolution of Striatus, the first-of-its-kind and award-winning 3D concrete printed bridge that we presented during the 2021 Venice Biennale of Architecture together with our partners: Block Research Group at ETH Zurich, Zaha Hadid Architects Computation and Design Group and incremental3D.
Building on the innovations of Striatus, Phoenix is made with 10 tons of recycled materials, including recycled aggregates from the original blocks of Striatus. We developed a proprietary concrete ink for Phoenix, with an optimized low-carbon formulation that has a 40% lower CO2 footprint compared to the original Striatus. The structure’s overall carbon footprint is 25% lower.
Together with our partners, we are now exploring how Phoenix could be scaled up to provide more generalized sustainable infrastructure solutions.