MIT engineers build load-bearing structures using tree forks instead of steel joints

 May – MIT engineers build load-bearing structures using tree forks instead of steel joints

When Dezeen published a story in May about research showing that used tree forks might take the role of load-bearing joints in architectural projects, MIT made a second appearance on this year's most-read list.


Tree forks can now be employed as Y-shaped nodes in construction projects thanks to a technique created by the MIT Digital Structures research group that blends generative design and robotic fabrication.

Researchers at the Massachusetts Institute of Technology have created a construction method that could allow discarded tree forks to take the place of load-bearing connections in architectural projects.


Tree forks, the bits of wood where a trunk or branch divides into two, can be employed as the Y-shaped nodes that connect straight architectural sections thanks to a technology that blends generative design and robotic production.


The five-step method was developed by the Massachusetts Institute of Technology's (MIT) Digital Structures research department, and it has already been used to establish a demonstration building on the university's campus. A larger pavilion is currently under construction.


By providing a substitute for structural components that often require high-strength but emissions-intensive virgin materials like steel, the researchers believe their approach could lessen the environmental effect of building.


Tree forks, in contrast, are not only organic and sustainable but also a recycled byproduct of the timber industry, which only uses the straight sections of trees to make furniture and construction materials.


Tree forks are "naturally built structural connections," according to Caitlin Mueller, associate professor in the MIT Building Technology department and head of the Digital Structures research group. They can transfer force very effectively due to their internal fiber network.


Giving a material a load-bearing function in a construction is the greatest value you can give it, according to  Caitlin Mueller,

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