The US 1st Marine Logistic Group (1st MLG) used an Automated Construction of Expeditionary Structures (ACES) printer (3D printer) to build, among other structures, a footbridge out of layers of concrete. Though, this technology is not deployable yet. Read full news at this link...
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| A Marine with 1st Marine Logistics Group walks across a concrete footbridge during a 3D concrete printing exercise at Camp Pendleton, Calif. (Picture source : Marine Corps) |
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