Longwall mining under the Hume Highway

BHP Billiton Illawarra Coal's Appin Colliery has extracted the first of many planned longwalls directly beneath the Hume Highway at Douglas Park, southwest of Sydney. After a lengthy planning period, the risks to the highway pavement were successfully managed by the then Roads and Traffic Authority of NSW, BHP Billiton Illawarra Coal and a Technical Committee including experts in the fields of pavement engineering, geotechnical engineering and subsidence. This paper provides information about how the measures to manage the potential impacts on the pavement were researched, developed and successfully implemented during mining. The techniques are believed to be a "world first" and included the use of pavement slots, extensive monitoring including optical fibre pavement sensors and "on call" response procedures.

• Authors:
  • Kay, D
  • Meers, P
  • Donald, G
• Conference:
  • RTA Pavements Conference, 2011, Sydney, New South Wales, Australia
• Publication Date: 2011-9

Language

• English

Media Info

• Pagination: 14p (day 2)
• Monograph Title: RTA Pavements 2011 Conference, 20-21 September 2011, Darling Harbour, Sydney

Subject/Index Terms

• TRT Terms: Geotechnical engineering; Highways; Mines; Mining; Monitoring; Pavement management systems; Pavements; Risk assessment; Risk management; Surveillance
• Uncontrolled Terms: Pavement technology
• Geographic Terms: Australia; New South Wales
• ATRI Terms: Geotechnical engineering; Mining; Monitoring; Pavement management; Risk management
• ITRD Terms: 9006: Continuous; 5792: Settlement
• Subject Areas: Geotechnology; Highways; Pavements; I22: Design of Pavements, Railways and Guideways; I61: Equipment and Maintenance Methods;

Filing Info

• Accession Number: 01374104
• Record Type: Publication
• Source Agency: ARRB
• Files: ITRD, ATRI
• Created Date: Jun 27 2012 9:55AM