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World's First 3-D-Printed Steel Bridge Debuts in Amsterdam

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Mon, 19 Jul 2021 18:36:03 +0000
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<p>Last week, the first 3-D-printed steel bridge in the world—an innovative project headed by Dutch company <a href="https://mx3d.com/">MX3D</a>—opened to the public in Amsterdam. <a href="https://www.royal-house.nl/members-royal-house/queen-maxima">Queen Máxima of the Netherlands</a> presided over the unveiling, pressing a button that prompted a robot to cut a ribbon hanging across the bridge, reports Aleksandar Furtula for the <a href="https://apnews.com/article/technology-europe-amsterdam-a37e034e02967886c2e0a64c17f34f3a">Associated Press</a> (AP). The novel landmark spans one of the city’s oldest canals and sits in the center of the red-light district.</p><p>In addition to marking a milestone in the capabilities of 3-D printing technology, the 40-foot-long bridge doubles as a “<a href="https://www.imperial.ac.uk/news/226533/worlds-first-3dprinted-steel-footbridge-unveiled/">living laboratory</a>” with hidden sensors that collect real-time data about the overpass’ performance. Researchers at Imperial College London will use this data to analyze how the bridge reacts over time as pedestrians interact with it.</p><p>“A 3-D-printed metal structure large and strong enough to handle pedestrian traffic has never been constructed before,” says <a href="https://www.imperial.ac.uk/people/leroy.gardner">Leroy Gardner</a>, a structural engineer at Imperial, in a <a href="https://www.imperial.ac.uk/news/226533/worlds-first-3dprinted-steel-footbridge-unveiled/">statement</a>. “It’s fantastic to see it finally open to the public.”</p><p>Plans for construction of the smart bridge began <a href="https://www.designboom.com/technology/mx3d-heijmans-3dprint-bridge-06-14-2015/">in 2015</a>, when MX3D proposed 3-D printing a metal bridge with state-of-the-art technology that combines robotics and welding, reports Sofia Lekka Angelopoulou for <em><a href="https://www.designboom.com/design/world-first-3d-printed-steel-bridge-amsterdam-canals-mx3d-07-16-2021/">Designboom</a></em>. Six tons of stainless steel and several years later, the bridge stands as an <a href="https://www.jorislaarman.com/work/bridge-update-winner-audience-award-ddw/">award-winning</a> feat of engineering.</p><figure> <img alt="" src="https://thumbs-prod.si-cdn.com/RA6KVwATKiBcVlxwrldi7SqN1TI=/800x0/filters:no_upscale():focal(428x292:429x293)/https://public-media.si-cdn.com/filer/67/8f/678fd008-b8b5-419a-b74a-de7e3dc7c0ee/mx3d-world-first-3d-printed-steel-bridge-oldest-canals-amsterdam-red-light-district-designboom-1.jpeg"></figure><figcaption class="caption"> The bridge is located in Amsterdam's red-light district. <span class="credits">(MX3D)</span> </figcaption><p>According to <em><a href="https://newatlas.com/3d-printing/mx3d-steel-3d-printed-bridge-amsterdam/">New Atlas</a></em>’ Adam Williams, the actual printing process took six months and was <a href="https://newatlas.com/mx3d-3d-printed-bridge-complete/54074/?itm_source=newatlas&amp;itm_medium=article-body">completed</a> in 2018. Due to renovations to the canal’s walls, the bridge could only be installed this month. It was constructed remotely with the help of four robots, then shipped to the site and lifted into place by crane.</p><p><a href="https://twitter.com/timgeurtjens?lang=en">Tim Geurtjens</a>, chief technology officer of MX3D, tells the AP that the project’s success has exciting implications for the future of architecture.</p><p>“If you want to have a really highly decorated bridge or really aesthetic bridge, suddenly it becomes a good option to print it,” he says. “Because it’s not just about making things cheaper and more efficient for us, it’s about giving architects and designers a new tool—a new very cool tool—in which they can rethink the design of their architecture and their designs.”</p><p>To assess how the printed steel behaves over time, the team created a “digital twin” of the bridge that will use incoming data from the sensors to simulate the state of its physical counterpart. Information from this computerized model will help experts explore potential new uses for 3-D-printed steel and “teach” the bridge how to perform tasks like counting the number of pedestrians that cross it, per <em>New Atlas</em>.</p><figure> <img alt="" src="https://thumbs-prod.si-cdn.com/DcZzFysnDr5re7Ftg16mjAJBBD4=/800x0/filters:no_upscale()/https://public-media.si-cdn.com/filer/07/8a/078a59a3-e5ca-4b74-bf12-17576c9e1671/mx3d-bridge-openingspeech-yourmajestythequeen-byjandegroen_1626355499996_x2.jpeg"></figure><figcaption class="caption"> Queen Máxima of the Netherlands inaugurated the bridge with the help of a robot. <span class="credits">(MX3D)</span> </figcaption><p>As <a href="http://www.eng.cam.ac.uk/profiles/mag92">Mark Girolami</a>, a civil engineer at the University of Cambridge who is working on the digital model, tells <em><a href="https://www.newscientist.com/article/2283934-worlds-first-3d-printed-steel-bridge-opens-in-amsterdam/">New Scientist</a></em>’s Matthew Sparkes, bridge failures can often be attributed to overlooked deterioration. By constantly transmitting data about a bridge’s status, 3-D-printed versions may be able to provide early warnings and prevent collapses.</p><p>The bridge, whose embossed silver waves lend it a modern, futuristic look, stands out amid its surroundings: Amsterdam’s oldest neighborhood and a place known for being the <a href="https://www.amsterdam.info/red-light-district/">underbelly</a> of the Dutch city.</p><p>Micha Mos, a councillor at Amsterdam municipality, tells the AP that he hopes the new bridge will bring tourists to the area.</p><p>“This may attract a new kind of visitor, one who is more interested in architecture and design, which will help change the way the neighborhood is perceived as more of something you want to visit but visit respectfully than it has been over the few last decades.”</p><p>A permit will allow the steel structure to remain in place for the next two years while the previous bridge undergoes repairs.</p>
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