Royal HaskoningDHV, DSM and CEAD Wish to Build Plastic 3D Printed Pedestrian Bridge https://ift.tt/32lecbt Engineering company Royal HaskoningDHV is collaborating with polymer company DSM and composites 3D Printing company CEAD to build a pedestrian bridge. CEAD is a Delft based company that is commercializing a large scale continuous fiber 3D printing process. Their CFAM Prime process can make glass or carbon fiber reinforced parts that are four by 2 by 1.5 meters in size. Carbon Fiber Reinforced Polymer materials have a wide range of applications. The design freedom of 3D printing combined with these materials could lead to an entirely new way of constructing bridges and other construction parts. We’ve heard a lot about concrete printing over the past years. At the same time, large scale polymer printers have been used for molds for formwork which lets one make large scale parts for tunnels and other structures. CEAD and BAAM systems have experimented with structural parts directly but this is to be the first pedestrian bridge 3D printed out of polymers. VIDEO By combining polymers with continuous fiber a lightweight stiff structure can emerge with very high strength. Some issues may remain in some cases such a structure may be too brittle for applications as bridges. In the past, many 3D printed buildings have tended to fail when they come into contact with the elements especially things like freezing temperatures. These things will have to be ironed out but this is a very exciting development indeed. Maurice Kardas, Business Development Manager at Royal HaskoningDHV, said,
Patric Duis, Segment Leader Additive Manufacturing bij DSM stated,
Concrete is a huge pollutant and it would be a great development to see bridges made of recyclable materials or bridges that can be recycled. Arnite is a stiff PBT or PET material that could, especially in its PET form be ideal for this. Composites themselves are very difficult to recycle, however. VIDEO The team will have to show that these complex materials can also actually be turned into something useful end of life. Many recycling processes for these materials have yet to be developed. Smart manufacturers are already turning to natural fibers to create composites that enable easy end of life recycling. VIDEO Printing via 3DPrint.com | The Voice of 3D Printing / Additive Manufacturing https://3dprint.com September 3, 2019 at 03:45AM
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