MIT model reduces construction material use and carbon emissions with topology optimization
miragenews.comMIT researchers have developed a new framework for topology optimization that makes it easier to build bridges and buildings with less material. Construction materials account for over 7 percent of global carbon emissions, and this approach can cut material use by up to 90 percent in some cases, leading to multi-gigaton emission reductions. The framework adds practical constraints to algorithmic designs, such as limiting connections at each joint and setting minimum part sizes, so structures are easier to build with conventional methods. It also supports multiple materials like steel and wood, balancing strength and carbon impact. The team tested designs on real bridges and found significant carbon savings while maintaining constructability.