Fryslân gets a 66 metre-long moveable bicycle bridge made from biocomposite
Fryslân gets a 66 metre-long moveable bicycle bridge made from biocomposite

The existing moveable traffic bridge over the Van Harinxma Canal at Ritsumasyl, consisting of a steel deck on concrete pillars, is to make way for a new, bio-based bridge for bicycles. The new swing bridge will have decks of 32 and 34 metres, with two free spans of 22 metres. The decks are made from biocomposite, consisting of 100% natural fibres (based on flax), in combination with 80% bio resin.

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‘Nobody can imagine what fully circular means’
‘Nobody can imagine what fully circular means’

Circular is very trendy. The Circular Economy and Bio-Based Economy were once abstract concepts, but these days their contours and identity are becoming increasingly clear. Practical projects like the construction of the Circl building in Amsterdam make ‘circular’ tangible. Power companies are converting their power stations so they can run on biomass. CO2 is still a threat, but it is also being seen more and more as a promising raw material for green chemistry. For the first time in Dutch political history, the circular economy has been included in the coalition agreement.

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Zoomland viaduct: bio-based showcase across the motorway
Zoomland viaduct: bio-based showcase across the motorway

Field voles, pine martens and foxes already know where the Zoomland viaduct is. The Brabant Landscape Foundation has recorded images showing this. The images were displayed last month during a mini symposium in Bergen op Zoom about the first bio-based viaduct in the Netherlands. The viaduct was recently put into operation as a passage for wildlife across the A58 motorway, but it also has space for a new cycle route to Roosendaal.

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