Circular bridge in Oude IJsselstreek reinforced with iron from demolition projects

The municipality of Oude IJsselstreek has been given a special bridge. The old pedestrian and bicycle bridge that connects Ulft with Silvolde has been replaced by a circular version, which consists of 90% recycled materials. In this way, the municipality of Oude IJsselstreek and Dusseldorp Infra, Demolition and Environmental Technology will jointly build a bridge to a sustainable future.

On behalf of the Municipality of Oude IJsselstreek, Dusseldorp Infra, Demolition and Environmental Technology has taken on this challenge together with a number of specialized partners. The existing iron structure of Hoge (Oer) Brug has been reused in the new bridge. The new tree that was to be used for the bridge deck is compensated by planting trees.

Building with circular materials is something that the demolition company Dusseldorp has been advocating for years. “It was quite a challenge to take on this task, because we are not bridge builders after all,” says René Plaggenburg, director of demolition and waste centers in Dusseldorp. “Nevertheless, we wanted to seize this opportunity for more sustainable construction with both hands. It was a wonderful project to be able to put our sustainable vision into practice. Together with a number of specialized partners, we prepared our ideas and presented the plan for the roundabout to the municipality. immediately saw the ultimate opportunity to give substance to their sustainable vision with this plan. “

High on the agenda

“We are happy”, continues Plaggenburg, “with the way in which the municipality of Oude IJsselstreek takes circularity as a starting point for new construction. With the circular renewal of Oude Brug, they stick their heads above the ground. In their tender, they worked according to a certain measurement method, and we “was best placed there. The fact that they award the contract to a demolition company is a sign that the thinking about recycling is going in the right direction. Why not take released materials of high quality for newly built projects?”

“The circular economy is high on the agenda in Oude IJsselstreek”, adds councilor Janine Kock, “and this extremely innovative offer has given concrete form to this. It is an important first step towards a circular economy: actively aiming for a minimum spread of new, so-called Virgin raw materials and maximum recycling of these raw materials. Recycle first as a product and, if that is no longer possible, as a high quality raw material. This is seamlessly linked to the government-wide program for the Netherlands Circular in 2050. Available raw materials will be scarcer, and it is therefore becoming increasingly important to use these raw materials as efficiently as possible. It also provides new opportunities for companies, new markets and more collaboration. ”

Recreational design

The combination of the collaboration between the companies, the artistic expertise, the circular vision and the expertise in the technical implementation ultimately resulted in a wonderful result: the first bridge in the Oude IJsselstreek, which was developed solely from a circular point of view. The design of the circular bridge is designed by the concept developer Mothership. Among other things, they are known for the design of Rotterdam Market Hall.

Circular bridge in Ulft reinforced with iron from demolition projects

“We wanted to look at the bridge, public space and the use of materials from a different perspective,” says Plaggenburg. Jeroen Everaert from Mothership helped with the design and believed that the bridge needed a platform. It gives the 43 meter long bridge an extra recreational value. The platform at the end of the bridge offers a beautiful view of the Oude IJssel, a place where you can enjoy the beautiful natural environment. You can also safely use the bridge in the evening, because the entire bridge is equipped with LED lighting. ”

Harvest from buildings

On 7 June 2021, the Hoge (Oer) bridge was removed from its place and transported in three parts to the construction company Staalbouw Eeftink-Rensing in Lichtenvoorde. The ironworks was cleaned, blasted and dismantled. A new bridge was to be made of the old construction, which is to last for at least another fifty years. To make it a solid and safe bridge, a designer from the engineering firm Royal HaskoningDHV has drawn up an action plan and has made measurements during the work. The steel profiles on the old bridge were reconstructed using materials from demolition work.

“Delivering the right materials at the right times was quite a task,” says Herbert Barink, project manager at Dusseldorp. “Harvesting the necessary materials was crucial to be able to renovate the bridge in a circular way, but we succeeded. The support structure is made exclusively of recycled steel and reinforced with iron released from demolition projects in the area, such as the former pipe factory in Silvolde and an electricity mast. In some places on the new bridge, it can still be seen in small dents and holes. ”

“The wooden bridge deck is brand new. For this we used pine wood that has been preserved through a special treatment for Accoya with a minimum life of sixty years. The wood that is felled for this is compensated by planting comparable trees that thrive in our climate. These trees will produce the same amount of wood within 28 years that we have now used for the bridge. “

All materials are monitored for origin and this is registered in a material passport. This makes all information about the bridge accessible and transparent for reuse or reuse. That way, the bridge can be sustainably renovated again in fifty years.

Sustainable course

Dusseldorp also used the job as a pedagogical learning project. Students from Anton Tijdink Techniekopleidingen contributed to the construction of the bridge. “In this way, we try to create awareness about circularity in construction,” says Plaggenburg. “It is not only necessary from an environmental point of view, the raw materials are also being used up. Every second, as many as one football pitch with trees is felled, and if China and India continue to grow, we will face a shortage of aluminum and copper in the world. We will have to handle our raw materials differently to be able to build in the future. We are happy to pass this on to the new generation of builders. ”

Circular bridge in Ulft reinforced with iron from demolition projects

Insert foundation

Recycling materials is nothing new for Dusseldorp, as they have been working on projects with a circular vision for over ten years. Together with nine demolition companies, they have set up the circular platform ‘Insert’. It is a marketplace for recyclable materials. The purpose of the Insert Foundation is to support the transition from a linear to a circular economy.

“The whole industry should be involved in this,” Plaggenburg says. “In this way, we can really create change in the world of new construction. With Insert, we also set up production lines for recycled building materials. We make used system ceiling parts as good as new again. In a sheltered workshop in Doorwerth, the ceiling parts are cleaned and repainted with environmentally friendly paint. They also make certified hardwood frames from demolished buildings. ”

Change in the chain

If it goes to Dusseldorp, their position in the chain will change. Where previously the company was only involved in the demolition and crushing of rubble, it is now increasingly becoming a supplier of materials. Plaggenburg concludes: “New building materials are becoming more and more expensive. The more we invest in innovation to make demolition materials recyclable, the more affordable these building materials will eventually become. And the more project developers start building circularly, the better it is for the world, now and for future generations. ”

See also the video that explains the project:

Text: Dinès Quist /Achterhoek news
Photo: Dusseldorp Infra, Demolition and Environmental Technology

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