Boggo Road Busway Alliance (Thiess, SKM and Queensland Department of Transport)
2005 - 2009
  • Geotechnical Investigation
  • Geotechnical Analysis
  • Construction Supervision & Monitoring


Boggo Road Busway Tunnel Project

Douglas Partners was engaged to undertake the geotechnical investigation and interpretative reporting for Stages 1 to 3 of the Boggo Road Busway Tunnel between the South-East Freeway at Buranda and the Eleanor Schonell Bridge at Dutton Park.

The Busway Project included a combination of cut-and-cover tunnels beneath the South-East Freeway and QR corridors, viaduct structures over arterial roads and the Princess Alexandra Hospital grounds, a reinforced earth wall in Dutton Park, a 480m driven tunnel section beneath the heritage-listed Boggo Road Gaol, and a 10m high soil nail wall at Outlook Park on the perimeter of the Boggo Road Urban Village.
Douglas Partners’ contributions to the project included:
  • Geotechnical investigation, laboratory testing and interpretative reporting;
  • Assistance in developing the spatial model of subsurface conditions for the driven tunnel section beneath the Boggo Road Gaol;
  • Finite element modelling of the soil nail wall;
  • Stability assessment of soil nail wall panels directly beneath the rail tracks in between the contiguous pile walls;
  • Stability assessment of the reinforced earth wall in Dutton Park;
  • On-site construction supervision of pile excavations and soil nail installations;
  • Geotechnical advice on short term stability of batter excavations and trench stability for services installation and personnel entry; and
  • Earthworks testing and supervision services.


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