Moorebank Interchange Bridge

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Title: Moorebank Interchange Bridge

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Publication: CIA

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Date: 2/13/2011

Abstract:
The Moorebank Avenue intersection was the last remaining set of traffic lights on the M5. This intersection was a major cause of traffic delay on the M5. RTA is a public private partnership arrangement with Interlink Roads. The 30 year BOOT owner of the M5 developed a concept design for a grade separated interchange. KBR entered into an agreement with Interlink Roads to design and construction manage the $31M interchange. The challenge was to build the structure over an operating motorway. The solution chosen was to build the entire structure above ground from precast elements. The vision being to build the bridge as if it were a steel structure but using concrete elements. The challenge was to develop connection details that provided tolerance and satisfied structural capacity and for the precast manufacturer to build concrete elements to very high dimensional accuracy. Aesthetics of the bridge was also considered important. This resulted in the adoption of an interested ‘Y’ shaped centre column piers.


Concrete Institute of Australia, International Partner Access.

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