Cable-Stayed Footbridge with UHPC Deck in Celakovice

The cable-stayed footbridge over the Labe River in Celakovice is the first structure in the Czech Republic which has a superstructure made of UHPC. The design and the execution of the footbridge were based and verified on experimental testing of the new material. The design is at some parts conservative due to the limited knowledge on the performance of the UHPC. The UHPC (ultra-high performance fibre reinforced concrete) was developed by the team of Metrostav and TBG Metrostav from 2010 on both for precast as well as for in-situ cast structures. Local materials are used preferably. The contractor Metrostav implemented an alternative proposal of a segmental bridge deck made entirely of UHPC class C130/150 with steel fibre reinforcement instead of the composite deck proposed in the tender. The arrangement of spans is 43+156+43 m. The application of UHPC for the deck resulted in a smaller weight for the footbridge. The stays and pylons are then also rather light. The design and final appearance is extremely simple and efficient. The UHPC should become a guarantee of the long term durability of the footbridge (more than 120 years is expected), with a limited maintenance. Extensive loads and dynamics tests were provided as well as environmental assessments.

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