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September 5, 2025

UHPFRC Segmental Footbridge Velodrom in Brno

Key Points

The footbridge features a main span of 53.8 m with an overhang of 2.55 m on each side.
Using UHPFRC segments allows the structure to be dismantled and reassembled in various layouts.
The design includes a unique 'U shape' cross section that aids in the stability and strength of the structure.
Prestressing techniques with unbonded strands enhance the performance and durability of the superstructure.

Abstract

The new crossing of 7 road lines is designed as a single-span parapet beam with overhanged parts. The superstructure is composed of 7 UHPFRC segments that are prestressed by unbonded strands. This approach was adopted because of the footbridge’s temporary life in this place. UHPFRC segmental footbridge was selected because it allows a dismantling of the superstructure and its reassemble in different segmental layouts elsewhere. The main span is 53.8 m with an overhang is 2.55 m at each side. The cross section in the main span is ‘U shape’ with a recessed wall, the total height is 1.475 m. Overhang parts are “L shape” segments and they are connected to U shape by a combination of prestressing bars and tendons.

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Cite This Study

Nováček et al. (Wed,) studied this question.

synapsesocial.com/papers/68bb3a3d2b87ece8dc955127 https://doi.org/https://doi.org/10.24904/footbridge2025.33

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