China3D printingNet, April 12, the construction companies BAM and Weber Beamix have begun to build the longest in the world in the Netherlands3D printingConcrete pedestrian bridge.
The project is called the “Bridge Project” for short, commissioned by the Dutch State Administration of Public Works and Water Management Rijkswaterstaat, and co-funded by designer Michiel van der Kley and Eindhoven University of Technology.Although it will be erected in Nijmegen, the bridge is currently under construction at BAM and Weber.3D printingThe city of Eindhoven where the facility is located is printed.
Once completed, the concrete structure will stand on a length of 29.5m (nearly 97 feet), reportedly breaking the longest3D printingThe world record of the bridge.According to CNN, the current record is Tsinghua University in Shanghai3D printingAn 86-foot-long concrete bridge.
The final design of the bridge. Picture from The Bridge Project.
Usher in a new wave of design
It is expected that the use of digital design in buildings will bring a new round of novel architectural concepts, while making the process more economical and time-saving. Van der Kley and Rijkswaterstaat require the most traditional concrete structure to use formwork, so they seek a3D printingIt is possible to realize the design to test the true potential of the technology.The free-form bridge was conceived in van der Kley’s studio and was intended to represent the field of architecture3D printings future.
certainly,3D printingThe use of it also brings a series of new challenges, such as structural safety, accurate load analysis and material applicability. In order to rationalize the initial design, the structural engineer Witteveen + Bos of the project commissioned Summum Engineering to create a parametric model of the bridge. The model conformed the original design to a series of structural constraints, subdivided it according to the printing specifications developed by the Eindhoven University of Technology, and generated optimized internal geometry for the bridge.
This allowed the team to determine three different outputs. First, the outer surface of the structure is used as the input of the 3D Autodesk Revit model; secondly, the internal and external meshes are used for finite element analysis and calculation.Third, specific3D printingThe printing path of the machine.
Conducted by Eindhoven Technology University (Eindhoven Technology University)3D printingAfter the initial test bridge, BAM and Weber Beamix are now building the final bridge in Nijmegen. The partners chose Nijmegen as a landmark project because the project was named the Green Capital of Europe in 2018, in line with the environmental protection concept of the bridge.
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BAM and Weber Beamix used in Eindhoven3D printingbridge. Picture from The Bridge Project.
European leader
The Nijmegen Bridge is less than a month away from its completion, and Weber Beamix is already planning to reuse it throughout the Netherlands3D printingFour bridges.Despite the building3D printingIt has sprung up in four corners of the world. For example, there are residential buildings in the United States and even co-office spaces in Thailand, but Europeans seem to be leading the number of projects.
In the second half of last year, the German-based construction company PERI Group 3D printed the world’s first on-site apartment building in Wallenhausen, Germany.The three-story residential structure is using Denmark3D printingMachine OEM COBOD for concrete3D printingTechnically printed, it consists of five rentable apartment units.
Elsewhere, Massa Lombarda in northern Italy,3D printingMachine manufacturer WASP recently completed3D printingUnique eco-friendly organic house. The completed house is called “TECLA”, which is a proof of concept and preliminary blueprint for a future sustainable housing model.
The bridge was assembled in Nijmegen. Picture from The Bridge Project.
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