writes copy 29 Dec 2017

2017 Built a Bridge to Innovation: Year in Construction 3D Printing

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Taking a look back at the previous year in the 3D printing world as 2018 rapidly approaches, one of several major themes that emerged was innovation in construction 3D printing. Applications for the technology in the construction industry were on the rise this year, as multiple countries and companies determined the reality of  construction-focused additive manufacturing. Within this theme, we discovered a few smaller themes as well, as we look back at a year of construction 3D printing in 2017.

Materials Innovation

While London-based  Bottletop  was declared last month to be the world's first store with a 3D printed interior, constructed out of sustainable materials and a 3D printed lattice structure by  KUKA  robots, and the IAAC used soil to demonstrate its 3D printing construction technology, we’ve heard a lot more 3D printing news in the construction industry about structural materials like concrete, cement, and steel. Concrete is one of  the biggest materials currently being developed in the 3D printing world, because it’s able to be fabricated into nearly any shape – even army barracks  and public bathrooms – creates zero waste, and is able to be locally sourced  in areas where building materials are scarce.

The  Technical University of Munich (TUM)  has been studying the advantages of 3D printed concrete, and using it to create thin, extremely lightweight but strong pipes, not dissimilar to the delicate bones of a bird. The pipes are supported inside by  an intricate bracing structure 3D printed with a selective binding method – the structure would have been impossible to create through conventional methods of manufacturing.

Vancouver-based  LifeTec Construction Group  is working on some private projects with its disruptive technology, which is able to  3D print studs out of structural steel for home construction. The company uses the advanced  end-to-end design and build  Framecad system  to rapidly construct quality buildings without the use of lasers to shape the material, and steel is an ideal construction material, because it’s environmentally friendly, more resistant to mold and warping, and durable.

Robotic Construction

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2017 has been an extremely busy year in terms of innovation in robotic construction. Dr. Behrokh Khoshnevis, the creator of large-scale 3D printing method Contour Crafting, brought his 2015 prediction  that the robotic 3D printing machines would be commercially available within a couple years to fruition this summer, not long before the IAAC publicly demonstrated the ability of its large cable-driven robots to 3D print large structures directly on a construction site. Caterpillar and the private equity  fund Rusnano Sistema Sicar both made investments in robotic 3D printing construction this year, while Fraunhofer ILT and Cazza Construction each debuted new robotic 3D printing construction innovations.

Chris Kelsey, the CEO and Co-Founder of Cazza, told 3DPrint.com in September, 'œThe possibilities of 3D printing are still being explored and it's an incredibly exciting time to be involved with this technology. We feel that architecture presents the greatest promise in terms of efficiency and capabilities. We intend to revolutionize the construction industry through disruptive technology, making building safer, faster, more cost effective and environmentally-friendly.'

Different Types of 3D Printed Structures

Robotic 3D printing technology was also used to manufacture the first robotic 3D printed bridges, which were made with modified plastic and stand at  Tongji University's College of Architecture and Urban Planning  (CAUP).

The  Eindhoven Univ

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