Weir 2, Prestressed concrete footbridge in Vienna, Austria
Weir 2 is a pedestrian bridge made from prestressed concrete in Vienna that crosses a waterway and provides direct passage for people on foot. The structure uses pre-stressed concrete beams to distribute weight across its entire span while maintaining stability and safety.
The bridge was built in 1988 and forms part of Vienna's infrastructure development that prioritized pedestrian pathways across waterways. The project reflects the adoption of modern prestressed concrete methods during a period when such construction techniques were becoming more widespread in urban areas.
The bridge design reflects European engineering traditions in prestressed concrete construction, following principles established by early innovators like Gustave Magnel.
The pedestrian path is accessible throughout and offers safe crossing for visitors of all abilities, with smooth paving and clear views across the waterway. The best time to explore it is during daylight hours when the construction and surroundings are clearly visible.
The structure incorporates a homogeneous grid system with specific stirrup spacing and shear connectors that enhance its performance under dynamic loads.
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