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Publish Date: May 23, 2022

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Ever since Charles Brush built the first wind-powered generator in Cleveland, Ohio, in 1887, engineers have been looking for a practical way to squeeze more power out of wind turbines, stretching their blades and making them grow taller.
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In January 2012, it was announced that a national high speed rail network would be built in the United Kingdom, the HS2. Currently, construction is underway on the first phase of the rail, covering 140 miles between London and Birmingham. In order to reduce costs as well as have greater beneficial benefits, the HS2 Ltd’s London tunnels contractor SCS JV (Skanska Costain STRABAG Joint Venture) has decided to use a new technology “Printfrastructure,” which is essentially 3D printing using concrete reinforced with graphene, for the project.
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Over the past year, Austin-based Icon has been working with the Defense Innovation Unit (DIU), an organization that focuses on accelerating commercial tech into the Department of Defense, to demonstrate the use of commercial scale additive manufacturing for military use. This is the latest test of 3D concrete printing for the DoD, which fabricated a field-grade bunker with a 3-in. nozzle, and a Marine Corps units’ barrack and bridge structure with a 2-in. assembly last fall in Champaign, Ill.
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