Gateway Bridge, Brisbane, Australia

GEOTECHNICAL SYSTEMS

Project:
Gateway upgrade project in Brisbane, Australia

Client:
QML - Queensland Motorway Limited

Construction period:
September 2006 - May 2010

Construction company:
Leighton Abigroup Joint Venture

Supplier:
VSL Australia Pty. Ltd.

Scope of supply:
150 tons thread bars SAS 835/1035 Ø 75 mm for the bridge pile foundation system,
SAS couplers allow a full load transfer of the SAS thread bars

Application:
The new Gateway Bridge is supported by reinforced concrete columns with an outer dimension of 15 m length and 2.5 m width. The loads of the reinforced concrete columns are transferred to the reinforced concrete pile caps, which have an area of 19.5 m length, 17.6 m width and a thickness of 3.2 m and from there to the foundation piles with a diameter of 1.8 m. The pile heads are reinforced with thread bars SAS 835/1035 to provide vertical and horizontal post tensioning in the main pier heads.

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