Temporary bridge for emergency – Tensairity bridge

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Tensile Structures
Client: Difesa/emergenza

Data: November 2019

Info: Temporary bridge of 18 meters span for emergency applications, made with the patented Tensairity technology.

Our Spanish partner PSTech, licensee of our patents on Tensairity technology, has launched the latest product in the field of temporary bridges for the emergency / military sector. The bridge is the result of nearly 9 months of research and development.

It is the strongest and lightest temporary bridge ever produced with Tensairity technology. The structure covers a span of 16 meters and it is built with 3 beams placed side by side. The compression elements are made of aluminum, as is the deck, in order to ensure maximum lightness and durability, even after several assembly and disassembly cycles. This first bridge will reach the Japanese market through an agreement with a large local construction company that purchased the product with the aim of applying it in various emergency situations.

But let’s look at the numbers of the newly built bridge in more detail.

The bridge is classified MLC30 and comparing it to similar temporary bridges on the market it weighs, in total, only 5000 kg against the 50,000 kg of its competitors. The transport volume, however, is the most impressive feature: it can be stowed in 1 container of 13 meters (35 cubic meters) and therefore can be transported by 1 semitrailer. Similar structures need about 10 times the volume of the Tensairity bridge. As for the assembly time, the bridge can be assembled in 12 people in 3 hours. The comparison with traditional products is pitiless: 40 people are needed for about 30 hours. Given the interest for this technology, which can be used in cases of extreme emergency and necessity (earthquakes, humanitarian disasters), allowing aid to reach isolated and / or endangered people, we will push the research and development in the coming months to build larger span bridges.






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