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🖨️ 3D Printing June 30, 2026 1 min read

Empa Uses 3D Printing to Repair Cracked Bridges Without Replacing Them

Swiss Federal Laboratories for Materials Science and Technology (Empa) researchers are using Wire Arc Additive Manufacturing to repair fatigue cracks in bridges and steel structures, printing customized metal reinforcements directly onto damaged components rather than replacing them entirely. The process, known as WAAM, works by feeding a welding wire through a robotic arm that deposits…

Swiss Federal Laboratories for Materials Science and Technology (Empa) researchers are using Wire Arc Additive Manufacturing to repair fatigue cracks in bridges and steel structures, printing customized metal reinforcements directly onto damaged components rather than replacing them entirely. The process, known as WAAM, works by feeding a welding wire through a robotic arm that deposits…

Swiss Federal Laboratories for Materials Science and Technology (Empa) researchers are using Wire Arc Additive Manufacturing to repair fatigue cracks in bridges and steel structures, printing customized metal reinforcements directly onto damaged components rather than replacing them entirely. The process, known as WAAM, works by feeding a welding wire through a robotic arm that deposits…