Seaworthy concrete sphere anchors renewable energy storage test

Sources: Sperra, San Pedro, Calif.; CP staff Sperra, developer of a subsea pumped storage hydropower (SPSH) concept based on 3D-printed concrete spheres, has secured a $4 million U.S. Department of Energy (DOE) Water Power Technologies Office grant to demonstrate a 10-meter diameter, 500kWh/600kWh unit off the southern California coast. Formerly known as RCAM Technologies, the company proposes hollow vessels placed…

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Purdue hosts 3D printing research for offshore wind energy installations

A National Science Foundation Phase I Small Business Technology Transfer grant is supporting development of 3D-printed concrete alternatives to traditional steel anchors for offshore wind turbines. RCAM Technologies, with U.S. and U.K. offices, will test its concrete anchor concept in West Lafayette, Ind. at the Purdue University College of Engineering’s Robert L. and Terry L. Bowen Laboratory for Large-Scale Civil…

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3D printed concrete technology team turns to wind energy structures

Sources: Accucode Inc., Denver; CP staff

A $250,000 infusion from the Colorado Office of Economic Development and International Trade’s Advanced Industries Accelerator Grant Program will position Boulder-based concrete construction specialist RCAM Technologies and technology integrator Accucode Inc. to develop wind energy components using 3D printing methods. 

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