2019
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Spain
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China
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France
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US
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Detailed explanation-1: -The Dutch city of Nijmegen has unveiled what is reportedly the world’s longest 3D printed concrete pedestrian bridge, spanning a length of 29 meters.
Detailed explanation-2: -The longest 3D-printed steel bridge is the MX3D Bridge, which spans the Oudezijds Achterburgwal, a canal in the De Wallen district of Amsterdam, Netherlands.
Detailed explanation-3: -The world’s first 3D-printed steel bridge was opened to the public in Amsterdam, Netherlands.
Detailed explanation-4: -It was installed over one of the oldest canals in Amsterdam’s city centre – the Oudezijds Achterburgwal. The 12-metre-long steel structure will be a ‘living laboratory’ that will capture and transmit data on its health in real-time to show how it changes over its lifespan.