Satzengrabenbrücke - Österreichs längste integrale Brücke
Bridges change shape, which is why they are usually built with expansion joints. At TU Wien, a technology has been developed that makes it possible to forego these joints, thus saving time and money. You can feel it straight away when you drive over a bridge quickly: the expansion joint that you rumble over at the start and end of the bridge. These joints are necessary as the bridge expands and constricts depending on the temperature, yet they are also expensive and high-maintenance. However, a type of bridge has now been developed at TU Wien that makes it possible to forego these expansion joints. The technology was patented and first used by ASFiNAG during the construction of the integral abutment bridge on the A5 North motorway. The bridge without expansion joints has now survived its first winter, with measurement results demonstrating that the new technology works perfectly.
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