Corps, Marines unit proves high volume, large bead 3D concrete printing

Source: Marine Corps Systems Command, U.S. Army Corps of Engineers Construction Engineering Research Laboratory, Champaign, Ill.

Marine Corps Systems Command and 7th Engineer Support Battalion staff joined U.S. Army Corps of Engineers Construction Engineering Research Laboratory (CERL) colleagues earlier this month to test a 3D concrete printing operation with a late model volumetric mixer feeding a 3-in. nozzle. The demonstration was aimed fabricating a bunker and followed barrack and bridge structure printing with a 2-in. nozzle-equipped assembly. 

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NRMCA affiliate launches Volumetric Mixer Operator Certification

Sources: National Ready Mixed Concrete Association, Silver Spring, Md.; CP staff

The Volumetric Mixer Manufacturers Bureau has finalized certification criteria aimed at building operator professionalism and providing proof of industry-specific knowledge. The Volumetric Mixer Operator Certification Program can be used to provide a career path while improving customer service skills, along with company and industry image.

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