Eastlink Project steel composite box girders over Princes Highway

The Princes Highway Interchange is part of Melbourne's Eastlink Project Australia's largest infrastructure project to date. The three level interchange includes twin structures to carry each carriageway of Eastlink over the Princes Highway, and a third level structure to carry Heatherton Road over the interchange below. Steel structures have been used to significant advantage to achieve spans up to 65m using continuous steel composite box girders. This paper provides a summary of the design issues faced in developing the details for medium span steel composite box girder bridges. Some of the innovative design approaches adopted are presented, including the use of composite top and bottom flange concrete or double composite design. The methodology for web plate design, approach to the development of structural details, and the various analysis methods that were adopted for fatigue assessment, and stage analysis are also presented. Other design components included the development of a precast concrete pier solution and post tensioned concrete headstocks. Seismic assessment and dynamic analysis was also undertaken. (a) For the covering entry of this conference, please see ITRD abstract no. E214936.


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  • Accession Number: 01051089
  • Record Type: Publication
  • Source Agency: ARRB
  • Files: ITRD, ATRI
  • Created Date: Jun 11 2007 1:20PM