Bridges, Road Bridges

Evripos Bridge

© schlaich bergermann partner

The bridge was the first cable-stayed road bridge in Greece. A technical challenge during the design and the construction phase was the extremely slender (L/480) longitudinally and transversally pre-stressed concrete deck with only 45 cm constant thickness, providing sufficient stiffness to abandon any longitudinal girder.
The multi-strand stay-cables therefore have a closer spacing of app.5 m with a minimum inclination of 23 degrees and were directly used to support the free cantilever formworks during deck construction. For purpose of higher seismic performance, the concrete deck is monolithically connected with the towers. Constrained reaction due to temperature rise can be handled well due to the slender towers and the soft superstructure. At the transition piers at the bridge ends hinged tension pendulum members are used to transfer uplift forces into the substructure.

Categories
Bridges, Road Bridges
Location
Euboea Island, Greece
Architect
schlaich bergermann partner; Dr. Stathopoulos, Athens
Owner
Highway Department, Athens
Partner
berg/keil

Technical Data

Total length
395 m
Main bridge span length
90 m + 215 m + 90 m
Bridge deck width
13.50 (2 carriageways + 2 pedestrian sidewalks)
Deck surface
5,390 m²
Tower height
90 m (appox. 45 m above and 45 m below deck level)
Thickness concrete deck
45 cm

Location

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