Fisherman Island, Port of Brisbane, Queensland, Australia
In 2009 the largest single-stage treatment of Menard VacuumTM consolidation technique was installed as part of Port of Brisbane’s Fisherman Island expansion project. A significant increase of the Port of Brisbane capacity had been planned, by reclaiming an additional 235 ha of land. Further to the successful vacuum trial on a 15,000 m², the Port of Brisbane Corporation engaged Menard Oceania (ex Menard Bachy) to implement the Menard VacuumTM consolidation technique, on a much larger scale at the adjacent 93,000 m² large reclamation paddock S3B. As a result, the vacuum operation was designed for an 18 months period, whilst the volume of surcharge used was kept to a minimum. A 15 m deep cut-off perimeter wall was installed to isolate the vacuum area because of the deep, permeable, sand lenses and layers in the subsurface profile present at Port of Brisbane. As a first worldwide, the huge area was consolidated in only one vacuum stage.
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The Menard group develops foundation solutions based on ground improvement and reinforcement technologies. Its treatments eliminate the need for the deep foundations traditionally used to support surface structures.