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The TenCate Polyfelt® P006A non-woven, which is treated with fire retardant additives, is an integral part of the tunnel sealing system and thus essential for the success of this major project involving one of Europe’s future largest bridges. The non-woven geotextile was manufactured and installed according to the project requirements. 

TenCate Geosynthetics is actively involved in what is currently one of Europe´s most important road construction projects. On the Croatian Adriatic coast, one of the largest bridges in Europe is currently being constructed on behalf of the state enterprise, Hravtske Ceste. The bridge, which will be finished in 2022, will boast a length of nearly 2.5 kilometers and a height of 55 meters. The special fire-retardant TenCate Polyfelt® P006 non-woven from TenCate Geoynthetics has been used in three tunnels along the access road which is 30 kilometers long. 

“With our specific solution, customer understanding and excellent references in Croatian tunnel construction, we were able to prevail against the competition.“ 

Vlatka Marinkovic, Area Sales Representative Croatia, Serbia, Montenegro

Specific customer requirements 

In order to meet the high technical requirements for tunnel construction, the protective non-woven geotextile was equipped with fire retardant additives. At the same time, TenCate Polyfelt® P006A offers a high protection effectiveness to prevent mechanical damage to the sealing during construction works and the operation of the tunnel.

Thanks to the decades of experience of TenCate Geosynthetics in the field of non-woven geotextile production and the experience from previous tunnel construction projects, it took only ten days from the conception stage to the actual production at the site in Linz. 

Challenging road construction project in the face of strong competition 

The access road to the four-lane Peljesac bridge, which will connect the Croatian mainland with the Peljesac peninsula, presents numerous challenges for the main contractor and the specialized subcontractor, Gefyra, who installed the sealing system. 

Over a distance of ten kilometers, three tunnels will be built with lengths of between 600 and 1,300 meters as well as three bridges and two viaducts. The geology and the choice of the road alignment posed a major challenge when designing and constructing the road. 

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Content provided by:
Vlatka Marinkovic, Area Sales Representative Croatia

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