Organic Polymer Material Research
Honorary Editor-in-Chief
Prof. Do-Hoon Hwang
Department of Chemistry and Chemistry Institute for Functional Materials, Pusan National University, Republic of Korea
Prof. In Hwan Jung
Department of Organic and Nano Engineering, Hanyang University, Republic of Korea
Keywords Amorphous domains Calculations Cellulose Color change Enthalpy of wetting FTIR Hydrophilicity index Ionic conductivity Microorganisms Modification Mural paint Petal Polymer electrolytes Polysaccharides Protective measures Rubber Scanning electron microscopy Sorption of water vapor Specific surface area Structure Sunflower
Home > Announcements > FRP bridge prototype uses large-scale 3D printing
<Source | CEAD>
Royal HaskoningDHV (Amersfoort, Netherlands), CEAD (Delft, Netherlands) and DSM (Amsterdam, Netherlands) have designed a lightweight, 3D-printed, fiber-reinforced polymer (FRP) pedestrian bridge prototype. The bridge consists of a glass fiber-filled thermoplastic PET (Arnite) reinforced with continuous glass fibers during the 3D printing process. This combination is said to offer high strength, versatility and sustainability.
To build the bridge, Royal HaskoningDHV, an international engineering and project management consultancy, partnered with DSM, a global science-based company whose specialties include 3D printing materials, and CEAD, supplier of 3D printing equipment including large-scale composite additive manufacturing machines.
"This partnership is bringing about a paradigm shift in the way we think about the form and function of bridges in our society," says Maurice Kardas, business development manager at Royal HaskoningDHV.
According to Kardas, sensors are included in the design, enabling them to build a digital twin of the bridge that can predict and optimize maintenance. The sensors, he says, can also incorporate functionalities like monitoring environmental aspects and providing real-time reports on bridge conditions.
The companies used their combined experiences in generative design and predictive modelling to design a more efficient bridge, optimizing the printing process and eliminating waste material.
"Using a material such as Arnite has huge benefits for the construction of bridges. Rather than using traditional materials such as steel or concrete, these bridges can be much more sustainable and offer greater flexibility in design using recyclable materials," says Patrick Duis, segment leader of additive manufacturing at DSM.
"This 3D-printed bridge prototype demonstrates the huge strides that we are making which will transform the future of this industry, not only speeding up construction, but also making the process more cost and time efficient. We developed this technology for exactly these industry applications, making them more sustainable and easier to manufacture," says Maarten Logtenberg, CEO of CEAD.
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