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Balsemão Valley Bridge

A24 Motorway – Régua-Reconcos | Portugal | 1998

The bridge crosses the Balsemão Valley at height of 110m and comprises two parallel six span box girders in prestressed concrete with a total length of 460m each. These were cast “in situ” in 5.00m segments using the balanced cantilever method.

The piers have a maximum height of 73m with hollow rectangular variable cross-section shafts in piers P2 and P3 and a constant cross-section in the remaining piers. The cross-section widens laterally at the top. The foundations are direct on the schist bedrock.

Construction was completed in 1998.

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Balsemão Valley Bridge

A24 Motorway – Régua-Reconcos | Portugal

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