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Concrete In Australia : June 2013
Concrete in Australia Vol 39 No 2 25 required by the pier located in the median of EastLink. is enabled all girders within a span to be manufactured at the same length, increasing the efficiency of girder fabrication and contributing to the overall efficiency of the bridge. With girders designed to be simply supported, construction could proceed concurrently from many fronts, facilitating staged construction to prevent traffic disruptions on EastLink. Safety was enhanced by minimising construction time, using precast beams and piles, and partly assembling cladding offsite. Design and construction also achieved environmental efficiencies and minimised impacts. Achievements included greatly reducing the footprint of the bridge; saving construction materials through composite construction; and minimising impacts on the local creek and associated wetlands and grasslands. e urban design of Peninsula Link is eye-catching and unique. Road bridges along Peninsula Link are used as defining features in the overall urban design. e use of bright colours along with oxidised steel sheeting reflects the different environments through which Peninsula Link passes. Alex Gilbert, Aurecon project manager for the design joint venture, said: "As the EastLink Bridge is the gateway to Peninsula Link for traffic coming from the Melbourne direction, its aesthetic appearance is important in representing the urban design style and themes of Peninsula Link." e concrete bridge barriers were clad with steel plate painted a dominant blue colour, making the bridge easily visible as a landmark to motorists travelling along EastLink. Blue also indicates that the bridge is a key node in the Peninsula Link network, while the shape of the cladding reflects the "zigzag" theme for bridge barriers and parapets. At night, feature lighting emphasises the dramatic shape and colour of the bridge. Partially completed structure (looking southeast). Aerial view of the EastLink Bridge (looking southeast). Aerial view of partially completed structure (looking southwest). Eye-catching blue cladding on the superstructure and abutment. The completed structure (looking southeast).