Sorell Causeway Channel Bridge, Tasmania

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Title: Sorell Causeway Channel Bridge, Tasmania

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Publication: CIA

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Date: 2/13/2011

Abstract:
One of Australia’s first post-tensioned beam and slab bridges was constructed in 1957 in a maritime environment north-east of Hobart, Tasmania. A feature of this bridge is that the voids for the tendons were created using inflated rubber tubes which were withdrawn after the concrete had hardened. In light of serious deterioration of this bridge caused by the ingress of chlorides, the Owner awarded a design/build contract for its removal and replacement in 2001. The $18.7m (AUD) replacement Sorell Causeway bridge is thought to be the only match-cast precast-segmental channel-type road bridge outside of France or the USA. This paper describes the successful use of this rare bridge form, which provides for a very small depth of structure below roadway level. The Authors recommend the channel form for widespread use. Conclusions are drawn with the aim that others can more easily adopt and develop the concept further.


Concrete Institute of Australia, International Partner Access.

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