Promising more sustainable and cost-effective structures, researchers developed a method for 3D concrete printing that creates ultra-lightweight, waste-free concrete.
have made a transformative breakthrough in 3D concrete printing, promising a more sustainable and cost-effective future for the construction industry. Architect Mania Aghaei Meibodi and researchers Alireza Bayramvand and Yuxin Lin of the DART lab at U-M’s Taubman College of Architecture and Urban Planning have developed a groundbreaking method for creating ultra-lightweight,
. This innovative technology reduces weight by 72% compared to conventional, solid concrete of the same size and paves the way for new partnerships and patents beyond the university.Traditional approaches to 3D concrete printing, or 3DCP, aim to digitize construction and reduce concrete consumption. However, these methods have geometric limitations, restricting their application to simpler shapes like orthogonal walls.
Topology optimization is a technique that generates the most efficient distribution of material based on performance criteria, such as strength or weight, for a given set of support. By creating a computational model that synergizes nonplanar and variable material deposition based on the shape and geometric features of the topology-optimized parts, the team has developed a method that allows for the efficient use of material by placing it precisely where it's needed for structural purposes.
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