Re Island Bridge External Prestressing

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Title: Re Island Bridge External Prestressing

Author(s): G. Causse

Publication: Special Publication

Volume: 120

Issue:

Appears on pages(s): 175-184

Keywords: box beams; bridges (structures); cantilever bridges; grouting; joints (junctions); post-tensioning; precast concrete; prestressing; prestressing steels; segmental construction; structural design; unbonded prestressing; Construction

Date: 6/1/1990

Abstract:
The bridge that links Re Island and the mainland was completed in April, 1988. It crosses a 3000 m wide sea channel that separates the island from the town of La Rochelle, on the west coast of France. The deck of the bridge is a concrete box girder built by the balanced cantilever method with precast segments. The prestressing tendons are partly inside the concrete and partly external.